SYMBOLCOMMON_NAMEaka. SYNONYMS
win.shylock (Back to overview)

Shylock

aka: Caphaw

There is no description at this point.

References
2020-08-09F5 LabsRemi Cohen, Debbie Walkowski
@online{cohen:20200809:banking:8718999, author = {Remi Cohen and Debbie Walkowski}, title = {{Banking Trojans: A Reference Guide to the Malware Family Tree}}, date = {2020-08-09}, organization = {F5 Labs}, url = {https://www.f5.com/labs/articles/education/banking-trojans-a-reference-guide-to-the-malware-family-tree}, language = {English}, urldate = {2021-06-29} } Banking Trojans: A Reference Guide to the Malware Family Tree
BackSwap Carberp Citadel DanaBot Dridex Dyre Emotet Gozi Kronos PandaBanker Ramnit Shylock SpyEye Tinba TrickBot Vawtrak Zeus
2015-02-27Virus BulletinMicky Pun, Neo Tan
@online{pun:20150227:vb2014:66e07ea, author = {Micky Pun and Neo Tan}, title = {{VB2014 paper: The pluginer - Caphaw}}, date = {2015-02-27}, organization = {Virus Bulletin}, url = {https://www.virusbulletin.com/virusbulletin/2015/02/paper-pluginer-caphaw}, language = {English}, urldate = {2019-12-18} } VB2014 paper: The pluginer - Caphaw
Shylock
2014-10-14SymantecSymantec Security Response
@online{response:20141014:security:81c5ea5, author = {Symantec Security Response}, title = {{Security vendors take action against Hidden Lynx malware}}, date = {2014-10-14}, organization = {Symantec}, url = {https://web.archive.org/web/20141016080249/http://www.symantec.com/connect/blogs/security-vendors-take-action-against-hidden-lynx-malware}, language = {English}, urldate = {2020-04-21} } Security vendors take action against Hidden Lynx malware
Gameover P2P HiKit Shylock Aurora Panda
2014-07-10EuropolEuropol
@online{europol:20140710:global:63da679, author = {Europol}, title = {{Global Action Targeting Shylock Malware}}, date = {2014-07-10}, organization = {Europol}, url = {https://www.europol.europa.eu/newsroom/news/global-action-targeting-shylock-malware}, language = {English}, urldate = {2019-12-18} } Global Action Targeting Shylock Malware
Shylock
2012-11-28SecurityIntelligenceDana Tamir
@online{tamir:20121128:shylocks:13a51d9, author = {Dana Tamir}, title = {{Shylock’s New Trick: Evading Malware Researchers}}, date = {2012-11-28}, organization = {SecurityIntelligence}, url = {https://securityintelligence.com/shylocks-new-trick-evading-malware-researchers/}, language = {English}, urldate = {2020-01-10} } Shylock’s New Trick: Evading Malware Researchers
Shylock
2012-02-15Security IntelligenceAmit Klein
@online{klein:20120215:merchant:b6f5565, author = {Amit Klein}, title = {{Merchant of Fraud Returns: Shylock Polymorphic Financial Malware Infections on the Rise}}, date = {2012-02-15}, organization = {Security Intelligence}, url = {https://securityintelligence.com/merchant-of-fraud-returns-shylock-polymorphic-financial-malware-infections-on-the-rise/}, language = {English}, urldate = {2019-11-23} } Merchant of Fraud Returns: Shylock Polymorphic Financial Malware Infections on the Rise
Shylock
2011-09-27malwareninja
@online{malwareninja:20110927:debugging:0033a33, author = {malwareninja}, title = {{Debugging Injected Code with IDA Pro}}, date = {2011-09-27}, url = {https://malwarereversing.wordpress.com/2011/09/27/debugging-injected-code-with-ida-pro/}, language = {English}, urldate = {2019-08-07} } Debugging Injected Code with IDA Pro
Shylock
2011-09-21Contagiodump BlogMila Parkour
@online{parkour:20110921:sept:726c3e3, author = {Mila Parkour}, title = {{Sept 21 Greedy Shylock - financial malware}}, date = {2011-09-21}, organization = {Contagiodump Blog}, url = {http://contagiodump.blogspot.com/2011/09/sept-21-greedy-shylock-financial.html}, language = {English}, urldate = {2019-12-20} } Sept 21 Greedy Shylock - financial malware
Shylock
Yara Rules
[TLP:WHITE] win_shylock_auto (20211008 | Detects win.shylock.)
rule win_shylock_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-10-07"
        version = "1"
        description = "Detects win.shylock."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.shylock"
        malpedia_rule_date = "20211007"
        malpedia_hash = "e5b790e0f888f252d49063a1251ca60ec2832535"
        malpedia_version = "20211008"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { e8???????? 8d75f4 e8???????? 5f 5e c9 c21400 }
            // n = 7, score = 500
            //   e8????????           |                     
            //   8d75f4               | lea                 esi, dword ptr [ebp - 0xc]
            //   e8????????           |                     
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   c9                   | leave               
            //   c21400               | ret                 0x14

        $sequence_1 = { 746a 8365fc00 53 56 8d3408 57 8bd8 }
            // n = 7, score = 500
            //   746a                 | je                  0x6c
            //   8365fc00             | and                 dword ptr [ebp - 4], 0
            //   53                   | push                ebx
            //   56                   | push                esi
            //   8d3408               | lea                 esi, dword ptr [eax + ecx]
            //   57                   | push                edi
            //   8bd8                 | mov                 ebx, eax

        $sequence_2 = { 8d8558ffffff 50 8d854cffffff 50 899550ffffff e8???????? 59 }
            // n = 7, score = 500
            //   8d8558ffffff         | lea                 eax, dword ptr [ebp - 0xa8]
            //   50                   | push                eax
            //   8d854cffffff         | lea                 eax, dword ptr [ebp - 0xb4]
            //   50                   | push                eax
            //   899550ffffff         | mov                 dword ptr [ebp - 0xb0], edx
            //   e8????????           |                     
            //   59                   | pop                 ecx

        $sequence_3 = { ff75f8 56 e8???????? 85c0 0f85fdfdffff 8d45b4 50 }
            // n = 7, score = 500
            //   ff75f8               | push                dword ptr [ebp - 8]
            //   56                   | push                esi
            //   e8????????           |                     
            //   85c0                 | test                eax, eax
            //   0f85fdfdffff         | jne                 0xfffffe03
            //   8d45b4               | lea                 eax, dword ptr [ebp - 0x4c]
            //   50                   | push                eax

        $sequence_4 = { 8d7de4 e8???????? 8d45e8 e8???????? 84c0 7505 ff75e8 }
            // n = 7, score = 500
            //   8d7de4               | lea                 edi, dword ptr [ebp - 0x1c]
            //   e8????????           |                     
            //   8d45e8               | lea                 eax, dword ptr [ebp - 0x18]
            //   e8????????           |                     
            //   84c0                 | test                al, al
            //   7505                 | jne                 7
            //   ff75e8               | push                dword ptr [ebp - 0x18]

        $sequence_5 = { e8???????? 59 8b45d0 c9 c21400 55 8bec }
            // n = 7, score = 500
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   8b45d0               | mov                 eax, dword ptr [ebp - 0x30]
            //   c9                   | leave               
            //   c21400               | ret                 0x14
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp

        $sequence_6 = { ff7508 a1???????? 8b8820010000 e8???????? 8945fc ff75fc ff7508 }
            // n = 7, score = 500
            //   ff7508               | push                dword ptr [ebp + 8]
            //   a1????????           |                     
            //   8b8820010000         | mov                 ecx, dword ptr [eax + 0x120]
            //   e8????????           |                     
            //   8945fc               | mov                 dword ptr [ebp - 4], eax
            //   ff75fc               | push                dword ptr [ebp - 4]
            //   ff7508               | push                dword ptr [ebp + 8]

        $sequence_7 = { eb34 56 57 ff750c e8???????? 83c40c 85c0 }
            // n = 7, score = 500
            //   eb34                 | jmp                 0x36
            //   56                   | push                esi
            //   57                   | push                edi
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   85c0                 | test                eax, eax

        $sequence_8 = { e9???????? 8b45f0 8d4de4 40 51 33d2 8d5df8 }
            // n = 7, score = 500
            //   e9????????           |                     
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]
            //   8d4de4               | lea                 ecx, dword ptr [ebp - 0x1c]
            //   40                   | inc                 eax
            //   51                   | push                ecx
            //   33d2                 | xor                 edx, edx
            //   8d5df8               | lea                 ebx, dword ptr [ebp - 8]

        $sequence_9 = { e8???????? b805400080 eb1a ff7510 8bce ff750c c786dc01000002000000 }
            // n = 7, score = 500
            //   e8????????           |                     
            //   b805400080           | mov                 eax, 0x80004005
            //   eb1a                 | jmp                 0x1c
            //   ff7510               | push                dword ptr [ebp + 0x10]
            //   8bce                 | mov                 ecx, esi
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   c786dc01000002000000     | mov    dword ptr [esi + 0x1dc], 2

    condition:
        7 of them and filesize < 630784
}
[TLP:WHITE] win_shylock_w0   (20170517 | Shylock Banker)
rule win_shylock_w0 {
	meta:
		author = "Jean-Philippe Teissier / @Jipe_"
		description = "Shylock Banker"
		date = "2013-12-12" 
		version = "1.0" 
		ref1 = "http://iocbucket.com/iocs/1b4660d57928df5ca843c21df0b2adb117026cba"
		ref2 = "http://www.trusteer.com/blog/merchant-fraud-returns-%E2%80%93-shylock-polymorphic-financial-malware-infections-rise"
		ref3 = "https://www.csis.dk/en/csis/blog/3811/"
		source = "https://github.com/mattulm/sfiles_yara/blob/master/malware/Shylock.yar"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.shylock"
        malpedia_version = "20170517"
        malpedia_license = "CC BY-NC-SA 4.0"
        malpedia_sharing = "TLP:WHITE"
	strings:
		$process1 = "MASTER"
		$process2 = "_SHUTDOWN"
		$process3 = "EVT_VNC"
		$process4 = "EVT_BACK"
		$process5 = "EVT_VNC"
		$process6 = "IE_Hook::GetRequestInfo"
		$process7 = "FF_Hook::getRequestInfo"
		$process8 = "EX_Hook::CreateProcess"
		$process9 = "hijackdll.dll"
		$process10 = "MTX_"
		$process11 = "FF::PR_WriteHook entry"
		$process12 = "FF::PR_WriteHook exit"
		$process13 = "HijackProcessAttach::*** MASTER *** MASTER *** MASTER *** %s PID=%u"
		$process14 = "HijackProcessAttach::entry"
		$process15 = "FF::BEFORE INJECT"
		$process16 = "FF::AFTER INJECT"
		$process17 = "IE::AFTER INJECT"
		$process18 = "IE::BEFORE INJECT"
		$process19 = "*** VNC *** VNC *** VNC *** VNC *** VNC *** VNC *** VNC *** VNC *** VNC *** VNC *** %s"
		$process20 = "*** LOG INJECTS *** %s"
		$process21 = "*** inject to process %s not allowed"
		$process22 = "*** BackSocks *** BackSocks *** BackSocks *** BackSocks *** BackSocks *** BackSocks *** BackSocks *** %s"
		$process23 = "Inject::InjectDllFromMemory"
		$process24 = "BadSocks.dll"	
		$process25 = ".?AVFF_Hook@@"
		$process26 = ".?AVIE_Hook@@"
		$process27 = ".?AVPE_Hook@@"
		$process28 = ".?AVCInetMethods@@"
		$domain1 = "extensadv.cc"
		$domain2 = "topbeat.cc"
		$domain3 = "brainsphere.cc"
		$domain4 = "commonworldme.cc"
		$domain5 = "gigacat.cc"
		$domain6 = "nw-serv.cc"
		$domain7 = "paragua-analyst.cc"
		
	condition:
		3 of ($process*) or any of ($domain*)
}
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