Analysis
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max time kernel
96s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
31-07-2024 12:22
Static task
static1
Behavioral task
behavioral1
Sample
7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe
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Size
1.1MB
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MD5
7c628b63e00fdfb7cf03f79411deeeea
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SHA1
a60b798e860fa4c4aa8a43474b86b3f01969ba79
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SHA256
4c308a8c665839ea491089cd987ab93a6c09ad9eb6561116776d635b660da101
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SHA512
960b1634bf9227c753590f7c2042ae68d9e3eec2ce7722ff74ee257dccbc7da28092e4ea74af6a08790775ef6514436435e12ea4bcda173e08e25b83eca46b43
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SSDEEP
12288:B1Eu4AZ+EOJTSNT8JpclOVgvcWS2LgHtJpXMKI1jdT5yRVhJUzIwX5+9NB8GYbnu:t0GMG15eisLl74ZYS+/VRZ
Malware Config
Extracted
darkcomet
Guest16
darkcoder.no-ip.biz:1604
DC_MUTEX-L3VAPKR
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InstallPath
MSDCSC\msdcsc.exe
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gencode
SSMFGEWonDEN
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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
MicroUpdate
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
svchost.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3774859476-2260090144-3466365324-1000\Control Panel\International\Geo\Nation svchost.exe -
Executes dropped EXE 2 IoCs
Processes:
svchost.exemsdcsc.exepid process 4880 svchost.exe 5092 msdcsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3774859476-2260090144-3466365324-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exedescription pid process target process PID 1996 set thread context of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
msdcsc.exe7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious use of AdjustPrivilegeToken 24 IoCs
Processes:
svchost.exedescription pid process Token: SeIncreaseQuotaPrivilege 4880 svchost.exe Token: SeSecurityPrivilege 4880 svchost.exe Token: SeTakeOwnershipPrivilege 4880 svchost.exe Token: SeLoadDriverPrivilege 4880 svchost.exe Token: SeSystemProfilePrivilege 4880 svchost.exe Token: SeSystemtimePrivilege 4880 svchost.exe Token: SeProfSingleProcessPrivilege 4880 svchost.exe Token: SeIncBasePriorityPrivilege 4880 svchost.exe Token: SeCreatePagefilePrivilege 4880 svchost.exe Token: SeBackupPrivilege 4880 svchost.exe Token: SeRestorePrivilege 4880 svchost.exe Token: SeShutdownPrivilege 4880 svchost.exe Token: SeDebugPrivilege 4880 svchost.exe Token: SeSystemEnvironmentPrivilege 4880 svchost.exe Token: SeChangeNotifyPrivilege 4880 svchost.exe Token: SeRemoteShutdownPrivilege 4880 svchost.exe Token: SeUndockPrivilege 4880 svchost.exe Token: SeManageVolumePrivilege 4880 svchost.exe Token: SeImpersonatePrivilege 4880 svchost.exe Token: SeCreateGlobalPrivilege 4880 svchost.exe Token: 33 4880 svchost.exe Token: 34 4880 svchost.exe Token: 35 4880 svchost.exe Token: 36 4880 svchost.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exesvchost.exedescription pid process target process PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 1996 wrote to memory of 4880 1996 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe svchost.exe PID 4880 wrote to memory of 5092 4880 svchost.exe msdcsc.exe PID 4880 wrote to memory of 5092 4880 svchost.exe msdcsc.exe PID 4880 wrote to memory of 5092 4880 svchost.exe msdcsc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\svchost.exe2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5092
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
1.1MB
MD5d881de17aa8f2e2c08cbb7b265f928f9
SHA108936aebc87decf0af6e8eada191062b5e65ac2a
SHA256b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA5125f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34