Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
13/03/2025, 01:09
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe
Resource
win7-20241023-en
General
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Target
JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe
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Size
675KB
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MD5
6dfecabd3ed5504ca681d60289d4d2ed
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SHA1
d58b5aa3074fb463c103f01223d8b4d5e2f1a9ea
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SHA256
29ea67ac4f8e522ee278fb995241bdbf780005e3190d12cd42ccdbb1ecadd609
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SHA512
942a005f06631d3c339fe06ab1823dde6742627281fa6b93bf68b1e1e952b5d251e3e50fff4a1a026342cd886745945f3ada1f6efec0e0c44875b9af2046fa69
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SSDEEP
12288:2YsBjyu2VYSeyReBbZJdZEBl9Ye0/lm82dy9toTY7W2H7hVzCrDYkjU:uhykPyMZdZw90dv2s9toMWu9VzCXVU
Malware Config
Extracted
darkcomet
Guest16
stevecarl2010.zapto.org:5900
DC_MUTEX-8Z6T4JY
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InstallPath
Windupdt\winupdate.exe
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gencode
MhjElth#fkUo
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install
true
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offline_keylogger
true
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persistence
false
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reg_key
winupdater
Extracted
latentbot
stevecarl2010.zapto.org
Signatures
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Darkcomet family
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Latentbot 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" JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.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-1-5-21-1479699283-3000499823-2337359760-1000\Control Panel\International\Geo\Nation JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe -
Executes dropped EXE 1 IoCs
pid Process 1712 winupdate.exe -
Adds Run key to start application 2 TTPs 1 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_6dfecabd3ed5504ca681d60289d4d2ed.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 2 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 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeSecurityPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeTakeOwnershipPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeLoadDriverPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeSystemProfilePrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeSystemtimePrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeProfSingleProcessPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeIncBasePriorityPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeCreatePagefilePrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeBackupPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeRestorePrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeShutdownPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeDebugPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeSystemEnvironmentPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeChangeNotifyPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeRemoteShutdownPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeUndockPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeManageVolumePrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeImpersonatePrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeCreateGlobalPrivilege 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: 33 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: 34 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: 35 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: 36 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe Token: SeIncreaseQuotaPrivilege 1712 winupdate.exe Token: SeSecurityPrivilege 1712 winupdate.exe Token: SeTakeOwnershipPrivilege 1712 winupdate.exe Token: SeLoadDriverPrivilege 1712 winupdate.exe Token: SeSystemProfilePrivilege 1712 winupdate.exe Token: SeSystemtimePrivilege 1712 winupdate.exe Token: SeProfSingleProcessPrivilege 1712 winupdate.exe Token: SeIncBasePriorityPrivilege 1712 winupdate.exe Token: SeCreatePagefilePrivilege 1712 winupdate.exe Token: SeBackupPrivilege 1712 winupdate.exe Token: SeRestorePrivilege 1712 winupdate.exe Token: SeShutdownPrivilege 1712 winupdate.exe Token: SeDebugPrivilege 1712 winupdate.exe Token: SeSystemEnvironmentPrivilege 1712 winupdate.exe Token: SeChangeNotifyPrivilege 1712 winupdate.exe Token: SeRemoteShutdownPrivilege 1712 winupdate.exe Token: SeUndockPrivilege 1712 winupdate.exe Token: SeManageVolumePrivilege 1712 winupdate.exe Token: SeImpersonatePrivilege 1712 winupdate.exe Token: SeCreateGlobalPrivilege 1712 winupdate.exe Token: 33 1712 winupdate.exe Token: 34 1712 winupdate.exe Token: 35 1712 winupdate.exe Token: 36 1712 winupdate.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1712 winupdate.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4224 wrote to memory of 1712 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe 98 PID 4224 wrote to memory of 1712 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe 98 PID 4224 wrote to memory of 1712 4224 JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe 98 PID 1712 wrote to memory of 3640 1712 winupdate.exe 101 PID 1712 wrote to memory of 3640 1712 winupdate.exe 101 PID 1712 wrote to memory of 3640 1712 winupdate.exe 101 PID 1712 wrote to memory of 836 1712 winupdate.exe 102 PID 1712 wrote to memory of 836 1712 winupdate.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dfecabd3ed5504ca681d60289d4d2ed.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4224 -
C:\Windupdt\winupdate.exe"C:\Windupdt\winupdate.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵PID:3640
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"3⤵PID:836
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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
Loading Replay Monitor...
Downloads
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Filesize
675KB
MD56dfecabd3ed5504ca681d60289d4d2ed
SHA1d58b5aa3074fb463c103f01223d8b4d5e2f1a9ea
SHA25629ea67ac4f8e522ee278fb995241bdbf780005e3190d12cd42ccdbb1ecadd609
SHA512942a005f06631d3c339fe06ab1823dde6742627281fa6b93bf68b1e1e952b5d251e3e50fff4a1a026342cd886745945f3ada1f6efec0e0c44875b9af2046fa69