Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17-04-2024 22:13
Behavioral task
behavioral1
Sample
f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe
Resource
win7-20240220-en
windows7-x64
13 signatures
150 seconds
General
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Target
f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe
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Size
758KB
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MD5
f6aeffca0e1cf8e83b427d4f9504d78d
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SHA1
260c5fde43873a2a5908d6cbfe8e56756c8c1565
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SHA256
0134132faa0cd4ed6702b1799d68bd600f88c30224cdd3eb3131559bc3568f21
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SHA512
e94db51a2db03c032e1a3f33059341d4577cb9199828f58bf04ea04d5d9ea1a4eb2f001dd9e6d2279730d772671ebfd2f8f0ba0a9df881e1c498fff27db827e4
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SSDEEP
12288:CXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkwh/kb:snAw2WWeFcfbP9VPSPMTSPL/rWvzq4Ji
Malware Config
Extracted
Family
darkcomet
Botnet
Guest16
C2
securityandsafe.no-ip.biz:81
Mutex
DC_MUTEX-3GA9ZCL
Attributes
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InstallPath
MSDCSC\msdcsc.exe
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gencode
r2c553wUEgYQ
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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
MicroUpdate
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe -
Modifies security service 2 TTPs 2 IoCs
Processes:
msdcsc.exeiexplore.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" iexplore.exe -
Processes:
msdcsc.exeiexplore.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" iexplore.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid Process 2100 msdcsc.exe -
Processes:
msdcsc.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe -
Adds Run key to start application 2 TTPs 3 IoCs
Processes:
f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exemsdcsc.exeiexplore.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" msdcsc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" iexplore.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
msdcsc.exedescription pid Process procid_target PID 2100 set thread context of 4732 2100 msdcsc.exe 88 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exemsdcsc.exeiexplore.exedescription pid Process Token: SeIncreaseQuotaPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeSecurityPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeLoadDriverPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeSystemProfilePrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeSystemtimePrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeBackupPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeRestorePrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeShutdownPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeDebugPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeUndockPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeManageVolumePrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeImpersonatePrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: 33 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: 34 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: 35 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: 36 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2100 msdcsc.exe Token: SeSecurityPrivilege 2100 msdcsc.exe Token: SeTakeOwnershipPrivilege 2100 msdcsc.exe Token: SeLoadDriverPrivilege 2100 msdcsc.exe Token: SeSystemProfilePrivilege 2100 msdcsc.exe Token: SeSystemtimePrivilege 2100 msdcsc.exe Token: SeProfSingleProcessPrivilege 2100 msdcsc.exe Token: SeIncBasePriorityPrivilege 2100 msdcsc.exe Token: SeCreatePagefilePrivilege 2100 msdcsc.exe Token: SeBackupPrivilege 2100 msdcsc.exe Token: SeRestorePrivilege 2100 msdcsc.exe Token: SeShutdownPrivilege 2100 msdcsc.exe Token: SeDebugPrivilege 2100 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2100 msdcsc.exe Token: SeChangeNotifyPrivilege 2100 msdcsc.exe Token: SeRemoteShutdownPrivilege 2100 msdcsc.exe Token: SeUndockPrivilege 2100 msdcsc.exe Token: SeManageVolumePrivilege 2100 msdcsc.exe Token: SeImpersonatePrivilege 2100 msdcsc.exe Token: SeCreateGlobalPrivilege 2100 msdcsc.exe Token: 33 2100 msdcsc.exe Token: 34 2100 msdcsc.exe Token: 35 2100 msdcsc.exe Token: 36 2100 msdcsc.exe Token: SeIncreaseQuotaPrivilege 4732 iexplore.exe Token: SeSecurityPrivilege 4732 iexplore.exe Token: SeTakeOwnershipPrivilege 4732 iexplore.exe Token: SeLoadDriverPrivilege 4732 iexplore.exe Token: SeSystemProfilePrivilege 4732 iexplore.exe Token: SeSystemtimePrivilege 4732 iexplore.exe Token: SeProfSingleProcessPrivilege 4732 iexplore.exe Token: SeIncBasePriorityPrivilege 4732 iexplore.exe Token: SeCreatePagefilePrivilege 4732 iexplore.exe Token: SeBackupPrivilege 4732 iexplore.exe Token: SeRestorePrivilege 4732 iexplore.exe Token: SeShutdownPrivilege 4732 iexplore.exe Token: SeDebugPrivilege 4732 iexplore.exe Token: SeSystemEnvironmentPrivilege 4732 iexplore.exe Token: SeChangeNotifyPrivilege 4732 iexplore.exe Token: SeRemoteShutdownPrivilege 4732 iexplore.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
iexplore.exepid Process 4732 iexplore.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exemsdcsc.exedescription pid Process procid_target PID 1884 wrote to memory of 2100 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe 87 PID 1884 wrote to memory of 2100 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe 87 PID 1884 wrote to memory of 2100 1884 f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe 87 PID 2100 wrote to memory of 4732 2100 msdcsc.exe 88 PID 2100 wrote to memory of 4732 2100 msdcsc.exe 88 PID 2100 wrote to memory of 4732 2100 msdcsc.exe 88 PID 2100 wrote to memory of 4732 2100 msdcsc.exe 88 PID 2100 wrote to memory of 4732 2100 msdcsc.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"2⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Modifies security service
- Windows security bypass
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4732
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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
1Windows Service
1Replay Monitor
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Downloads
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Filesize
758KB
MD5f6aeffca0e1cf8e83b427d4f9504d78d
SHA1260c5fde43873a2a5908d6cbfe8e56756c8c1565
SHA2560134132faa0cd4ed6702b1799d68bd600f88c30224cdd3eb3131559bc3568f21
SHA512e94db51a2db03c032e1a3f33059341d4577cb9199828f58bf04ea04d5d9ea1a4eb2f001dd9e6d2279730d772671ebfd2f8f0ba0a9df881e1c498fff27db827e4