Analysis
- max time kernel
150s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20250217-en - resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system - submitted
10/03/2025, 03:04
Behavioral task
behavioral1
Sample
JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe
Resource
win7-20240903-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe
Resource
win10v2004-20250217-en
windows10-2004-x64
15 signatures
150 seconds
General
- Target JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe
- Size 659KB
- Sample250310-dkwstaz1ht
- SHA256 ec038ee6fd8ed1a9e14d4d813e8c7172a8a816d53b0e6842a23399dd6c5e9370
- MD5 5cb86e33c1724d87914001d4efffdbd6
- SHA1 e36642ff5017cf35b160fb1fc0227a85fb1b5755
- SHA512 8b3a665116924f3ee975bf7f734bebe52e3fb326e49370619e402d791aac21846061bfd763e8f39f64f9fbb42fe5e926c8302bbe1c2d11d662202599b9bc7bae
- SSDEEP 12288:h9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKu:XAQ6Zx9cxTmOrucTIEFSpOGX
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
darkcomet
Botnet
-
Guest16
C2
-
mohamed-ajel.no-ip.org:1604
Mutex
-
DC_MUTEX-F54S21D
Attributes
-
InstallPath
Windupdt\winupdate.exe
-
gencode
=y�RYB9r/=up
-
install
true
-
offline_keylogger
true
-
persistence
true
-
reg_key
winupdater
rc4.plain
Signatures
- Darkcomet family
- 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" JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe - Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" explorer.exe - Windows security bypass 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" explorer.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 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Set value (str) \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" notepad.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3128 set thread context of 992 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 98 - Program crash 1 IoCs
pid pid_target Process procid_target 1732 4164 WerFault.exe 84 - System Location Discovery: System Language Discovery 1 TTPs 3 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 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.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 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe - Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeSecurityPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeTakeOwnershipPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeLoadDriverPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeSystemProfilePrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeSystemtimePrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeProfSingleProcessPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeIncBasePriorityPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeCreatePagefilePrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeBackupPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeRestorePrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeShutdownPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeDebugPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeSystemEnvironmentPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeChangeNotifyPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeRemoteShutdownPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeUndockPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeManageVolumePrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeImpersonatePrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeCreateGlobalPrivilege 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: 33 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: 34 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: 35 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: 36 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe Token: SeIncreaseQuotaPrivilege 992 explorer.exe Token: SeSecurityPrivilege 992 explorer.exe Token: SeTakeOwnershipPrivilege 992 explorer.exe Token: SeLoadDriverPrivilege 992 explorer.exe Token: SeSystemProfilePrivilege 992 explorer.exe Token: SeSystemtimePrivilege 992 explorer.exe Token: SeProfSingleProcessPrivilege 992 explorer.exe Token: SeIncBasePriorityPrivilege 992 explorer.exe Token: SeCreatePagefilePrivilege 992 explorer.exe Token: SeBackupPrivilege 992 explorer.exe Token: SeRestorePrivilege 992 explorer.exe Token: SeShutdownPrivilege 992 explorer.exe Token: SeDebugPrivilege 992 explorer.exe Token: SeSystemEnvironmentPrivilege 992 explorer.exe Token: SeChangeNotifyPrivilege 992 explorer.exe Token: SeRemoteShutdownPrivilege 992 explorer.exe Token: SeUndockPrivilege 992 explorer.exe Token: SeManageVolumePrivilege 992 explorer.exe Token: SeImpersonatePrivilege 992 explorer.exe Token: SeCreateGlobalPrivilege 992 explorer.exe Token: 33 992 explorer.exe Token: 34 992 explorer.exe Token: 35 992 explorer.exe Token: 36 992 explorer.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 992 explorer.exe - Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 4164 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 84 PID 3128 wrote to memory of 992 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 98 PID 3128 wrote to memory of 992 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 98 PID 3128 wrote to memory of 992 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 98 PID 3128 wrote to memory of 992 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 98 PID 3128 wrote to memory of 992 3128 JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5cb86e33c1724d87914001d4efffdbd6.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- 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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3128 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:4164 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 1483⤵
- Program crash
PID:1732
-
-
-
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Modifies security service
- Windows security bypass
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:992
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4164 -ip 41641⤵PID:2108
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
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
- Path C:\Windupdt\winupdate.exe
- Size 659KB
- SHA256 ec038ee6fd8ed1a9e14d4d813e8c7172a8a816d53b0e6842a23399dd6c5e9370
- MD5 5cb86e33c1724d87914001d4efffdbd6
- SHA1 e36642ff5017cf35b160fb1fc0227a85fb1b5755
- SHA512 8b3a665116924f3ee975bf7f734bebe52e3fb326e49370619e402d791aac21846061bfd763e8f39f64f9fbb42fe5e926c8302bbe1c2d11d662202599b9bc7bae
- SSDEEP 12288:h9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKu:XAQ6Zx9cxTmOrucTIEFSpOGX
- MD5 SHA1 SHA512 SSDEEP