Resubmissions
07/03/2025, 19:43
250307-yfp5pavye1 1007/03/2025, 19:34
250307-x958bswky3 1007/03/2025, 19:02
250307-xpxqfsvvbv 10Analysis
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max time kernel
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max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
07/03/2025, 19:34
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe
Resource
win10v2004-20250217-en
General
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Target
JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe
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Size
1.2MB
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MD5
58ef8399e896e60b181961292fb6d666
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SHA1
d5b651f75234877814d8efabb6256fbc23c662ed
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SHA256
6deff5735317a9b7addf8d9f8d3aeca1de68364e63b69037b2c916bcaee44003
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SHA512
b9c4059148ff6ff96b376b69450a5234b4de8684ef41173601c24140da62a2b623f4117f5f483be478c9542be676cd705511d9540689b247cd44215b8c2f7b37
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SSDEEP
24576:D6t9iwCQliK/JJDORRrQl9uM1aIcLkNC2brX5qXI8PP:Wt9iwJTDOPsrNcwNbwxP
Malware Config
Extracted
darkcomet
enzcrash
whatthe.no-ip.biz:1604
DC_MUTEX-F54S21D
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InstallPath
winupdate.exe
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gencode
=fgh�Num+Xi-
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
Windows Updater
Signatures
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Blackshades
Blackshades is a remote access trojan with various capabilities.
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Blackshades family
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Blackshades payload 13 IoCs
resource yara_rule behavioral2/memory/3540-117-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades behavioral2/memory/4980-124-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades behavioral2/memory/4980-128-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades behavioral2/memory/4980-132-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades behavioral2/memory/4980-136-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades behavioral2/memory/4980-141-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades behavioral2/memory/4980-150-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades behavioral2/memory/4980-154-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades behavioral2/memory/4980-158-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades behavioral2/memory/4980-167-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades behavioral2/memory/4980-176-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades behavioral2/memory/4980-180-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades behavioral2/memory/4980-184-0x0000000000400000-0x0000000000474000-memory.dmp family_blackshades -
Darkcomet family
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Hawkeye family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\winupdate.exe" JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile winupdate.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1" winupdate.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" winupdate.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" winupdate.exe -
Windows security bypass 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" winupdate.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run WINDOWSUPDATE.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\fredolin = "C:\\Users\\Admin\\AppData\\Roaming\\windowsupdate.exe" WINDOWSUPDATE.EXE -
Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5CFF3DC2-AEED-D5C9-ED8B-B1D0CEDCDABC} WINDOWSUPDATE.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5CFF3DC2-AEED-D5C9-ED8B-B1D0CEDCDABC}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\windowsupdate.exe" WINDOWSUPDATE.EXE Key created \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{5CFF3DC2-AEED-D5C9-ED8B-B1D0CEDCDABC} WINDOWSUPDATE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{5CFF3DC2-AEED-D5C9-ED8B-B1D0CEDCDABC}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\windowsupdate.exe" WINDOWSUPDATE.EXE -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" winupdate.exe -
Disables Task Manager via registry modification
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe -
Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Key value queried \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation WINUPDTR.EXE Key value queried \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation winupdate.exe Key value queried \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation WINUPDTR.EXE -
Executes dropped EXE 6 IoCs
pid Process 4980 WINDOWSUPDATE.EXE 1420 WINUPDTR.EXE 2968 winupdate.exe 1608 winupdate.exe 3540 WINDOWSUPDATE.EXE 2948 WINUPDTR.EXE -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Windows security modification 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" winupdate.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\fredolin = "C:\\Users\\Admin\\AppData\\Roaming\\windowsupdate.exe" WINDOWSUPDATE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fredolin = "C:\\Users\\Admin\\AppData\\Roaming\\windowsupdate.exe" WINDOWSUPDATE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Updater = "C:\\Users\\Admin\\AppData\\Roaming\\winupdate.exe" JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1800 set thread context of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 2968 set thread context of 1608 2968 winupdate.exe 99 -
resource yara_rule behavioral2/files/0x000400000001da5d-12.dat upx behavioral2/memory/4980-19-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/3540-104-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/3540-117-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4980-124-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4980-128-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4980-132-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4980-136-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4980-141-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4980-150-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4980-154-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4980-158-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4980-167-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4980-176-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4980-180-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4980-184-0x0000000000400000-0x0000000000474000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 20 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WINDOWSUPDATE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WINUPDTR.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WINDOWSUPDATE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WINUPDTR.EXE -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winupdate.exe -
Delays execution with timeout.exe 2 IoCs
pid Process 3216 timeout.exe 4004 timeout.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 1164 reg.exe 1592 reg.exe 1552 reg.exe 3440 reg.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1608 winupdate.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeSecurityPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeTakeOwnershipPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeLoadDriverPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeSystemProfilePrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeSystemtimePrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeProfSingleProcessPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeIncBasePriorityPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeCreatePagefilePrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeBackupPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeRestorePrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeShutdownPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeDebugPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeSystemEnvironmentPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeChangeNotifyPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeRemoteShutdownPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeUndockPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeManageVolumePrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeImpersonatePrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: SeCreateGlobalPrivilege 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: 33 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: 34 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: 35 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: 36 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe Token: 1 4980 WINDOWSUPDATE.EXE Token: SeCreateTokenPrivilege 4980 WINDOWSUPDATE.EXE Token: SeAssignPrimaryTokenPrivilege 4980 WINDOWSUPDATE.EXE Token: SeLockMemoryPrivilege 4980 WINDOWSUPDATE.EXE Token: SeIncreaseQuotaPrivilege 4980 WINDOWSUPDATE.EXE Token: SeMachineAccountPrivilege 4980 WINDOWSUPDATE.EXE Token: SeTcbPrivilege 4980 WINDOWSUPDATE.EXE Token: SeSecurityPrivilege 4980 WINDOWSUPDATE.EXE Token: SeTakeOwnershipPrivilege 4980 WINDOWSUPDATE.EXE Token: SeLoadDriverPrivilege 4980 WINDOWSUPDATE.EXE Token: SeSystemProfilePrivilege 4980 WINDOWSUPDATE.EXE Token: SeSystemtimePrivilege 4980 WINDOWSUPDATE.EXE Token: SeProfSingleProcessPrivilege 4980 WINDOWSUPDATE.EXE Token: SeIncBasePriorityPrivilege 4980 WINDOWSUPDATE.EXE Token: SeCreatePagefilePrivilege 4980 WINDOWSUPDATE.EXE Token: SeCreatePermanentPrivilege 4980 WINDOWSUPDATE.EXE Token: SeBackupPrivilege 4980 WINDOWSUPDATE.EXE Token: SeRestorePrivilege 4980 WINDOWSUPDATE.EXE Token: SeShutdownPrivilege 4980 WINDOWSUPDATE.EXE Token: SeDebugPrivilege 4980 WINDOWSUPDATE.EXE Token: SeAuditPrivilege 4980 WINDOWSUPDATE.EXE Token: SeSystemEnvironmentPrivilege 4980 WINDOWSUPDATE.EXE Token: SeChangeNotifyPrivilege 4980 WINDOWSUPDATE.EXE Token: SeRemoteShutdownPrivilege 4980 WINDOWSUPDATE.EXE Token: SeUndockPrivilege 4980 WINDOWSUPDATE.EXE Token: SeSyncAgentPrivilege 4980 WINDOWSUPDATE.EXE Token: SeEnableDelegationPrivilege 4980 WINDOWSUPDATE.EXE Token: SeManageVolumePrivilege 4980 WINDOWSUPDATE.EXE Token: SeImpersonatePrivilege 4980 WINDOWSUPDATE.EXE Token: SeCreateGlobalPrivilege 4980 WINDOWSUPDATE.EXE Token: 31 4980 WINDOWSUPDATE.EXE Token: 32 4980 WINDOWSUPDATE.EXE Token: 33 4980 WINDOWSUPDATE.EXE Token: 34 4980 WINDOWSUPDATE.EXE Token: 35 4980 WINDOWSUPDATE.EXE Token: SeIncreaseQuotaPrivilege 1608 winupdate.exe Token: SeSecurityPrivilege 1608 winupdate.exe Token: SeTakeOwnershipPrivilege 1608 winupdate.exe Token: SeLoadDriverPrivilege 1608 winupdate.exe Token: SeSystemProfilePrivilege 1608 winupdate.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4980 WINDOWSUPDATE.EXE 4980 WINDOWSUPDATE.EXE 3540 WINDOWSUPDATE.EXE 3540 WINDOWSUPDATE.EXE 1608 winupdate.exe 4980 WINDOWSUPDATE.EXE -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 1800 wrote to memory of 672 1800 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 87 PID 672 wrote to memory of 4980 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 88 PID 672 wrote to memory of 4980 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 88 PID 672 wrote to memory of 4980 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 88 PID 672 wrote to memory of 1420 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 89 PID 672 wrote to memory of 1420 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 89 PID 672 wrote to memory of 1420 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 89 PID 1420 wrote to memory of 4600 1420 WINUPDTR.EXE 90 PID 1420 wrote to memory of 4600 1420 WINUPDTR.EXE 90 PID 1420 wrote to memory of 4600 1420 WINUPDTR.EXE 90 PID 4600 wrote to memory of 3216 4600 cmd.exe 92 PID 4600 wrote to memory of 3216 4600 cmd.exe 92 PID 4600 wrote to memory of 3216 4600 cmd.exe 92 PID 672 wrote to memory of 844 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 95 PID 672 wrote to memory of 844 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 95 PID 672 wrote to memory of 844 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 95 PID 672 wrote to memory of 2968 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 96 PID 672 wrote to memory of 2968 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 96 PID 672 wrote to memory of 2968 672 JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe 96 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 2968 wrote to memory of 1608 2968 winupdate.exe 99 PID 1608 wrote to memory of 1352 1608 winupdate.exe 100 PID 1608 wrote to memory of 1352 1608 winupdate.exe 100 PID 1608 wrote to memory of 1352 1608 winupdate.exe 100 PID 1608 wrote to memory of 3540 1608 winupdate.exe 101 PID 1608 wrote to memory of 3540 1608 winupdate.exe 101 PID 1608 wrote to memory of 3540 1608 winupdate.exe 101 PID 1608 wrote to memory of 2948 1608 winupdate.exe 102 PID 1608 wrote to memory of 2948 1608 winupdate.exe 102 PID 1608 wrote to memory of 2948 1608 winupdate.exe 102 PID 2948 wrote to memory of 3432 2948 WINUPDTR.EXE 103 PID 2948 wrote to memory of 3432 2948 WINUPDTR.EXE 103 PID 2948 wrote to memory of 3432 2948 WINUPDTR.EXE 103 PID 3432 wrote to memory of 4004 3432 cmd.exe 105 PID 3432 wrote to memory of 4004 3432 cmd.exe 105 PID 3432 wrote to memory of 4004 3432 cmd.exe 105 PID 4980 wrote to memory of 1096 4980 WINDOWSUPDATE.EXE 109 PID 4980 wrote to memory of 1096 4980 WINDOWSUPDATE.EXE 109 PID 4980 wrote to memory of 1096 4980 WINDOWSUPDATE.EXE 109 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion winupdate.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern winupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" winupdate.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_58ef8399e896e60b181961292fb6d666.exe"2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:672 -
C:\Users\Admin\AppData\Local\Temp\WINDOWSUPDATE.EXE"C:\Users\Admin\AppData\Local\Temp\WINDOWSUPDATE.EXE"3⤵
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4980 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- System Location Discovery: System Language Discovery
PID:1096 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1164
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\WINDOWSUPDATE.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\WINDOWSUPDATE.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
PID:1808 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\WINDOWSUPDATE.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\WINDOWSUPDATE.exe:*:Enabled:Windows Messanger" /f5⤵
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1552
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- System Location Discovery: System Language Discovery
PID:3276 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:3440
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\windowsupdate.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\windowsupdate.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
PID:1432 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\windowsupdate.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\windowsupdate.exe:*:Enabled:Windows Messanger" /f5⤵
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1592
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C:\Users\Admin\AppData\Local\Temp\WINUPDTR.EXE"C:\Users\Admin\AppData\Local\Temp\WINUPDTR.EXE"3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 5 && del C:\Users\Admin\AppData\Local\Temp\WINUPDTR.EXE4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\SysWOW64\timeout.exetimeout 55⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3216
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵PID:844
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C:\Users\Admin\AppData\Roaming\winupdate.exe"C:\Users\Admin\AppData\Roaming\winupdate.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968 -
C:\Users\Admin\AppData\Roaming\winupdate.exe"C:\Users\Admin\AppData\Roaming\winupdate.exe"4⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1608 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"5⤵PID:1352
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C:\Users\Admin\AppData\Local\Temp\WINDOWSUPDATE.EXE"C:\Users\Admin\AppData\Local\Temp\WINDOWSUPDATE.EXE"5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3540
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C:\Users\Admin\AppData\Local\Temp\WINUPDTR.EXE"C:\Users\Admin\AppData\Local\Temp\WINUPDTR.EXE"5⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 5 && del C:\Users\Admin\AppData\Local\Temp\WINUPDTR.EXE6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3432 -
C:\Windows\SysWOW64\timeout.exetimeout 57⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4004
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
10Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
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Downloads
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Filesize
163KB
MD524e2f8699579dc971a255076c08e829f
SHA15b45b15f4993d3112083b73806415d5eb587b9ea
SHA2562a05046af890c5c4daa47277ccf630ac99228709ee489bd5517ba019fd0f5750
SHA512de76329069c601feb874159360a28e3106dca47c05b069cb4c1d25e80a6fe7a44e6fa756a83c9f4d7da0b1f27628e389aaa60e2db7ae29d5e6d47537acce4a84
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Filesize
340KB
MD555642a17d2b2f4a3b0622380cbd7a398
SHA154a6f1c9d6f207af5dcea9557b420fade8a30f82
SHA256c8bb9bc16ff8cebc7ec50e94c4d6ee1c884c5bbe57c61b5dde520e953845fca0
SHA51283084e5595f4e5e226f4a924100b8f9d9707b15966aa54956a0169b84c1e852b55f82280f8f9014ec78ece6e151078aa51c4ae2e841f23a44b9c060ad24d0948
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Filesize
114KB
MD5db78fd083bc8918ce8a2cc5cb79944db
SHA18887055003ce9177d6eab0f7a427f093e1746118
SHA256c9bc9eba37de0346ed5661939e150bed121d880d563098857ca846bb854fb1ef
SHA512cf8f216f2a851fb208f2f534efbcb64c60a4009683bdb10887426412ebe39fd7908ec8ac039d7fca5ac35f4d85a7698da5ac02b5350022096a47582a62c72666
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Filesize
1.2MB
MD558ef8399e896e60b181961292fb6d666
SHA1d5b651f75234877814d8efabb6256fbc23c662ed
SHA2566deff5735317a9b7addf8d9f8d3aeca1de68364e63b69037b2c916bcaee44003
SHA512b9c4059148ff6ff96b376b69450a5234b4de8684ef41173601c24140da62a2b623f4117f5f483be478c9542be676cd705511d9540689b247cd44215b8c2f7b37