Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2024 23:02
Static task
static1
Behavioral task
behavioral1
Sample
cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe
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Size
708KB
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MD5
cf7bf3cb5ff408ae80ffab27aa4f3061
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SHA1
53d6eac4b7364dec220dc000e474146c0ceaedcf
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SHA256
e61c53adac5c59926be8c56836e91bfb91d48f4335b8595b27d5bca0037d5c71
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SHA512
9702b7ba31328a04d714a938079a25b350a069249de7f5482b9726ea15d1d7d0814f5df830e0ae003d01b24e9642f81864aaa70e22c84e14469223aeec87060e
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SSDEEP
12288:+cTRwnJKE50VD68cWOrqWXKeeV7zCQZCOY2C8jo7NUL5vMQaw/uYftwq:+cTRGJHS3OrBXKeiHCQIOxjo7ypdawBb
Malware Config
Signatures
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Darkcomet 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:\\Windupdt\\winupdate.exe" cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe -
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 cf7bf3cb5ff408ae80ffab27aa4f3061_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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 4640 winupdate.exe 4652 winupdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 828 set thread context of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 3988 set thread context of 4220 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 84 PID 4220 set thread context of 2592 4220 explorer.exe 85 PID 4640 set thread context of 4652 4640 winupdate.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 60 2592 WerFault.exe 85 -
System Location Discovery: System Language Discovery 1 TTPs 6 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 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe 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 ping.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1824 ping.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.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 Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1824 ping.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4652 winupdate.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeSecurityPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeLoadDriverPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeSystemProfilePrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeSystemtimePrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeBackupPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeRestorePrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeShutdownPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeDebugPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeUndockPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeManageVolumePrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeImpersonatePrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: 33 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: 34 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: 35 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: 36 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 4652 winupdate.exe Token: SeSecurityPrivilege 4652 winupdate.exe Token: SeTakeOwnershipPrivilege 4652 winupdate.exe Token: SeLoadDriverPrivilege 4652 winupdate.exe Token: SeSystemProfilePrivilege 4652 winupdate.exe Token: SeSystemtimePrivilege 4652 winupdate.exe Token: SeProfSingleProcessPrivilege 4652 winupdate.exe Token: SeIncBasePriorityPrivilege 4652 winupdate.exe Token: SeCreatePagefilePrivilege 4652 winupdate.exe Token: SeBackupPrivilege 4652 winupdate.exe Token: SeRestorePrivilege 4652 winupdate.exe Token: SeShutdownPrivilege 4652 winupdate.exe Token: SeDebugPrivilege 4652 winupdate.exe Token: SeSystemEnvironmentPrivilege 4652 winupdate.exe Token: SeChangeNotifyPrivilege 4652 winupdate.exe Token: SeRemoteShutdownPrivilege 4652 winupdate.exe Token: SeUndockPrivilege 4652 winupdate.exe Token: SeManageVolumePrivilege 4652 winupdate.exe Token: SeImpersonatePrivilege 4652 winupdate.exe Token: SeCreateGlobalPrivilege 4652 winupdate.exe Token: 33 4652 winupdate.exe Token: 34 4652 winupdate.exe Token: 35 4652 winupdate.exe Token: 36 4652 winupdate.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 4220 explorer.exe 4640 winupdate.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 828 wrote to memory of 3988 828 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 83 PID 3988 wrote to memory of 4220 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 84 PID 3988 wrote to memory of 4220 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 84 PID 3988 wrote to memory of 4220 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 84 PID 3988 wrote to memory of 4220 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 84 PID 3988 wrote to memory of 4220 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 84 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 4220 wrote to memory of 2592 4220 explorer.exe 85 PID 3988 wrote to memory of 4640 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 89 PID 3988 wrote to memory of 4640 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 89 PID 3988 wrote to memory of 4640 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 89 PID 3988 wrote to memory of 1824 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 90 PID 3988 wrote to memory of 1824 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 90 PID 3988 wrote to memory of 1824 3988 cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe 90 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92 PID 4640 wrote to memory of 4652 4640 winupdate.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Users\Admin\AppData\Local\Temp\cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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:3988 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4220 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵PID:2592
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 805⤵
- Program crash
PID:60
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C:\Windupdt\winupdate.exe"C:\Windupdt\winupdate.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4640 -
C:\Windupdt\winupdate.exeC:\Windupdt\winupdate.exe4⤵
- Checks BIOS information in registry
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4652
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C:\Windows\SysWOW64\ping.exeping 127.0.0.1 -n 5 > NUL del "C:\Users\Admin\AppData\Local\Temp\cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe"3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2592 -ip 25921⤵PID:3256
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
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Downloads
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Filesize
708KB
MD5cf7bf3cb5ff408ae80ffab27aa4f3061
SHA153d6eac4b7364dec220dc000e474146c0ceaedcf
SHA256e61c53adac5c59926be8c56836e91bfb91d48f4335b8595b27d5bca0037d5c71
SHA5129702b7ba31328a04d714a938079a25b350a069249de7f5482b9726ea15d1d7d0814f5df830e0ae003d01b24e9642f81864aaa70e22c84e14469223aeec87060e