Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-11-2024 18:54
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe
Resource
win7-20241010-en
windows7-x64
23 signatures
150 seconds
General
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Target
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe
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Size
1.3MB
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MD5
8cfc5e80361a0524a480e3c58092cc7f
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SHA1
10119dd6626576c071b3f80460c8f00df6de0f81
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SHA256
99356d20505fff841ef2e0f306702d5115cbab21e428c63ae9b984ae481d98e0
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SHA512
6a4645e5f3c1375a8dbedfaf8a69ef43de4aa4dc79855e5bef1f0c3f2135a766ad989dc97b730ac7a3a359fb83da32a219a72744ecef9eb482f264fc46e83267
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SSDEEP
24576:50wQON2K3yWds0JkKyVIMB1qnQ3v0lqRlclkPVKpL0G2fB68M6iwDmKi1:ilbadsL2MzqQcqRKk9KpL0G2fB68M9wg
Malware Config
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\Windupdt\\winupdate.exe" 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
Processes:
winupdate.exedescription 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
Processes:
winupdate.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" winupdate.exe -
Processes:
winupdate.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" winupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe -
Disables RegEdit via registry modification 1 IoCs
Processes:
winupdate.exedescription ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" winupdate.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exewinupdate.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
Processes:
winupdate.exewinupdate.exepid Process 4144 winupdate.exe 2796 winupdate.exe -
Processes:
winupdate.exedescription 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 1 IoCs
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\Windupdt\\winupdate.exe" 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exewinupdate.exepid Process 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 4144 winupdate.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exewinupdate.exedescription pid Process procid_target PID 2936 set thread context of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 4144 set thread context of 2796 4144 winupdate.exe 89 -
Drops file in Windows directory 4 IoCs
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exewinupdate.exedescription ioc Process File opened for modification C:\Windows\Windupdt\winupdate.exe 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe File opened for modification C:\Windows\Windupdt\ 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe File opened for modification C:\Windows\Windupdt\winupdate.exe winupdate.exe File created C:\Windows\Windupdt\winupdate.exe 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe -
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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exewinupdate.exewinupdate.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
winupdate.exe8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exedescription ioc Process 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 Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 winupdate.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exewinupdate.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe -
Modifies registry class 1 IoCs
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
winupdate.exepid Process 2796 winupdate.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exewinupdate.exedescription pid Process Token: SeIncreaseQuotaPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeSecurityPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeLoadDriverPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeSystemProfilePrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeSystemtimePrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeBackupPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeRestorePrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeShutdownPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeDebugPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeUndockPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeManageVolumePrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeImpersonatePrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: 33 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: 34 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: 35 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: 36 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2796 winupdate.exe Token: SeSecurityPrivilege 2796 winupdate.exe Token: SeTakeOwnershipPrivilege 2796 winupdate.exe Token: SeLoadDriverPrivilege 2796 winupdate.exe Token: SeSystemProfilePrivilege 2796 winupdate.exe Token: SeSystemtimePrivilege 2796 winupdate.exe Token: SeProfSingleProcessPrivilege 2796 winupdate.exe Token: SeIncBasePriorityPrivilege 2796 winupdate.exe Token: SeCreatePagefilePrivilege 2796 winupdate.exe Token: SeBackupPrivilege 2796 winupdate.exe Token: SeRestorePrivilege 2796 winupdate.exe Token: SeShutdownPrivilege 2796 winupdate.exe Token: SeDebugPrivilege 2796 winupdate.exe Token: SeSystemEnvironmentPrivilege 2796 winupdate.exe Token: SeChangeNotifyPrivilege 2796 winupdate.exe Token: SeRemoteShutdownPrivilege 2796 winupdate.exe Token: SeUndockPrivilege 2796 winupdate.exe Token: SeManageVolumePrivilege 2796 winupdate.exe Token: SeImpersonatePrivilege 2796 winupdate.exe Token: SeCreateGlobalPrivilege 2796 winupdate.exe Token: 33 2796 winupdate.exe Token: 34 2796 winupdate.exe Token: 35 2796 winupdate.exe Token: 36 2796 winupdate.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exewinupdate.exewinupdate.exepid Process 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 4144 winupdate.exe 4144 winupdate.exe 2796 winupdate.exe -
Suspicious use of WriteProcessMemory 31 IoCs
Processes:
8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exewinupdate.exedescription pid Process procid_target PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 2936 wrote to memory of 344 2936 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 85 PID 344 wrote to memory of 4144 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 88 PID 344 wrote to memory of 4144 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 88 PID 344 wrote to memory of 4144 344 8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe 88 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 PID 4144 wrote to memory of 2796 4144 winupdate.exe 89 -
System policy modification 1 TTPs 3 IoCs
Processes:
winupdate.exedescription 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\8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Users\Admin\AppData\Local\Temp\8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118.exe2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- 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:344 -
C:\Windows\Windupdt\winupdate.exe"C:\Windows\Windupdt\winupdate.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Windows\Windupdt\winupdate.exeC:\Windows\Windupdt\winupdate.exe4⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- 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
- System policy modification
PID:2796
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Replay Monitor
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Downloads
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Filesize
1.3MB
MD58cfc5e80361a0524a480e3c58092cc7f
SHA110119dd6626576c071b3f80460c8f00df6de0f81
SHA25699356d20505fff841ef2e0f306702d5115cbab21e428c63ae9b984ae481d98e0
SHA5126a4645e5f3c1375a8dbedfaf8a69ef43de4aa4dc79855e5bef1f0c3f2135a766ad989dc97b730ac7a3a359fb83da32a219a72744ecef9eb482f264fc46e83267
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Filesize
14B
MD5abe70405c25439f69283f2233c18473f
SHA151a87f746e50023df421ea4e7af6cfa01dc66adc
SHA2560184420afb3e42e4438edad7c4bb2d003d2383ed897df993235fd8e4d737f0c7
SHA51213c35c536e74577c086393a8168fc9ed574fbc8d4fd4e9840203ce35965b1c01b05af289ef95314727c31c84105af271f05b02257c602b954b4ace1bc51188fd