Analysis
-
max time kernel
148s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
27-07-2024 15:11
Behavioral task
behavioral1
Sample
7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe
Resource
win7-20240704-en
General
-
Target
7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe
-
Size
331KB
-
MD5
7897837885b3a475f18e5ee864f7238a
-
SHA1
485882ba501347eb99489c10867bd1520decd1f5
-
SHA256
9692260cb951a7685dd29e7b410ca5a086514a402ac9f36c7fc5d47ddbe06bf6
-
SHA512
f2c6a420ae9161d5c67cbbccb037880498425ccb8efa335380c49234e193a654622e458f59e8e57a1823a990305b3de12a1ea99461003fb4e87feade785768f7
-
SSDEEP
6144:hhH76Gd6Mqk84ZIjzJNiNr5ldxb6g1x080pqUJjZmSpUjVIH3soJ:hhxoMVJyfJNiN3N1x080oUJjZmcUjup
Malware Config
Extracted
darkcomet
Guest16
127.0.0.1:1604
DC_MUTEX-YV9537W
-
InstallPath
MSDCSC\msdcsc.exe
-
gencode
vtZamnSTfx5d
-
install
true
-
offline_keylogger
true
-
persistence
false
-
reg_key
MicroUpdate
Signatures
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
Processes:
msdcsc.exemsdcsc.exepid process 1912 msdcsc.exe 644 msdcsc.exe -
Processes:
resource yara_rule behavioral2/memory/400-0-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/2108-3-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/2108-2-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/2108-1-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/2108-5-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/400-7-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/2108-8-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/2108-10-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/2108-9-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/2108-13-0x0000000000400000-0x00000000004BA000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe upx behavioral2/memory/1912-23-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/1912-37-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/644-34-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-32-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-40-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-39-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-38-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-35-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-33-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-31-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-41-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-42-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-43-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-44-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-47-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-48-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-49-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-50-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-51-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-53-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-54-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/644-55-0x0000000000400000-0x00000000004BA000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exemsdcsc.exedescription pid process target process PID 400 set thread context of 2108 400 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe PID 1912 set thread context of 644 1912 msdcsc.exe msdcsc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exemsdcsc.exemsdcsc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeSecurityPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeSystemtimePrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeBackupPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeRestorePrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeShutdownPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeDebugPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeUndockPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeManageVolumePrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeImpersonatePrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: 33 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: 34 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: 35 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: 36 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 644 msdcsc.exe Token: SeSecurityPrivilege 644 msdcsc.exe Token: SeTakeOwnershipPrivilege 644 msdcsc.exe Token: SeLoadDriverPrivilege 644 msdcsc.exe Token: SeSystemProfilePrivilege 644 msdcsc.exe Token: SeSystemtimePrivilege 644 msdcsc.exe Token: SeProfSingleProcessPrivilege 644 msdcsc.exe Token: SeIncBasePriorityPrivilege 644 msdcsc.exe Token: SeCreatePagefilePrivilege 644 msdcsc.exe Token: SeBackupPrivilege 644 msdcsc.exe Token: SeRestorePrivilege 644 msdcsc.exe Token: SeShutdownPrivilege 644 msdcsc.exe Token: SeDebugPrivilege 644 msdcsc.exe Token: SeSystemEnvironmentPrivilege 644 msdcsc.exe Token: SeChangeNotifyPrivilege 644 msdcsc.exe Token: SeRemoteShutdownPrivilege 644 msdcsc.exe Token: SeUndockPrivilege 644 msdcsc.exe Token: SeManageVolumePrivilege 644 msdcsc.exe Token: SeImpersonatePrivilege 644 msdcsc.exe Token: SeCreateGlobalPrivilege 644 msdcsc.exe Token: 33 644 msdcsc.exe Token: 34 644 msdcsc.exe Token: 35 644 msdcsc.exe Token: 36 644 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 644 msdcsc.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exemsdcsc.exedescription pid process target process PID 400 wrote to memory of 2108 400 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe PID 400 wrote to memory of 2108 400 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe PID 400 wrote to memory of 2108 400 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe PID 400 wrote to memory of 2108 400 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe PID 400 wrote to memory of 2108 400 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe PID 400 wrote to memory of 2108 400 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe PID 400 wrote to memory of 2108 400 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe PID 400 wrote to memory of 2108 400 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe PID 2108 wrote to memory of 1912 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe msdcsc.exe PID 2108 wrote to memory of 1912 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe msdcsc.exe PID 2108 wrote to memory of 1912 2108 7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe msdcsc.exe PID 1912 wrote to memory of 644 1912 msdcsc.exe msdcsc.exe PID 1912 wrote to memory of 644 1912 msdcsc.exe msdcsc.exe PID 1912 wrote to memory of 644 1912 msdcsc.exe msdcsc.exe PID 1912 wrote to memory of 644 1912 msdcsc.exe msdcsc.exe PID 1912 wrote to memory of 644 1912 msdcsc.exe msdcsc.exe PID 1912 wrote to memory of 644 1912 msdcsc.exe msdcsc.exe PID 1912 wrote to memory of 644 1912 msdcsc.exe msdcsc.exe PID 1912 wrote to memory of 644 1912 msdcsc.exe msdcsc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:400 -
C:\Users\Admin\AppData\Local\Temp\7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\7897837885b3a475f18e5ee864f7238a_JaffaCakes118.exe2⤵
- 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:2108 -
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exeC:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:644
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
-
Filesize
331KB
MD57897837885b3a475f18e5ee864f7238a
SHA1485882ba501347eb99489c10867bd1520decd1f5
SHA2569692260cb951a7685dd29e7b410ca5a086514a402ac9f36c7fc5d47ddbe06bf6
SHA512f2c6a420ae9161d5c67cbbccb037880498425ccb8efa335380c49234e193a654622e458f59e8e57a1823a990305b3de12a1ea99461003fb4e87feade785768f7