Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20250129-en - resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system - submitted
31/01/2025, 15:17
Behavioral task
behavioral1
Sample
JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe
Resource
win7-20240903-en
windows7-x64
13 signatures
150 seconds
General
- Target JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe
- Size 251KB
- Sample250131-spb2ja1ncm
- SHA256 8e5f1c5943a1f7d03bba72b77f532a3c46f314d1cf1eb4dd6e651b5168a90a76
- MD5 6b72b066e97055e859d4c4fe1e2ce84b
- SHA1 d5ad14292e12510c9389508220c288bb7a43b2be
- SHA512 cbe0d4f87beed4f0363c8a6b4451ea2307ea6d1c69122b462e938a839ce2f582338fe362137dd93ea1f792613b5b151a2278a88e3486dd1cd66ccf957af6c3e8
- SSDEEP 6144:ocNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37p:ocW7KEZlPzCy37p
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
darkcomet
Botnet
-
Guest16
C2
-
speeed.zapto.org:15963
-
speeed.hopto.org:15963
Mutex
-
DC_MUTEX-7CAR0WV
Attributes
-
InstallPath
MSDCSC\msdcsc.exe
-
gencode
rxLxJDdtvsZV
-
install
true
-
offline_keylogger
true
-
persistence
true
-
reg_key
MicroUpdate
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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.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-1-5-21-1121399784-3202166597-3503557106-1000\Control Panel\International\Geo\Nation JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe - Executes dropped EXE 1 IoCs
pid Process 3272 msdcsc.exe - Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Set value (str) \REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" msdcsc.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3272 set thread context of 2828 3272 msdcsc.exe 87 -
resource yara_rule behavioral2/memory/4692-0-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/files/0x000b000000023b44-6.dat upx behavioral2/memory/2828-63-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/3272-65-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/4692-67-0x0000000000400000-0x00000000004B7000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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_6b72b066e97055e859d4c4fe1e2ce84b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeSecurityPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeTakeOwnershipPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeLoadDriverPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeSystemProfilePrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeSystemtimePrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeProfSingleProcessPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeIncBasePriorityPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeCreatePagefilePrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeBackupPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeRestorePrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeShutdownPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeDebugPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeSystemEnvironmentPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeChangeNotifyPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeRemoteShutdownPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeUndockPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeManageVolumePrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeImpersonatePrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeCreateGlobalPrivilege 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: 33 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: 34 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: 35 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: 36 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe Token: SeIncreaseQuotaPrivilege 3272 msdcsc.exe Token: SeSecurityPrivilege 3272 msdcsc.exe Token: SeTakeOwnershipPrivilege 3272 msdcsc.exe Token: SeLoadDriverPrivilege 3272 msdcsc.exe Token: SeSystemProfilePrivilege 3272 msdcsc.exe Token: SeSystemtimePrivilege 3272 msdcsc.exe Token: SeProfSingleProcessPrivilege 3272 msdcsc.exe Token: SeIncBasePriorityPrivilege 3272 msdcsc.exe Token: SeCreatePagefilePrivilege 3272 msdcsc.exe Token: SeBackupPrivilege 3272 msdcsc.exe Token: SeRestorePrivilege 3272 msdcsc.exe Token: SeShutdownPrivilege 3272 msdcsc.exe Token: SeDebugPrivilege 3272 msdcsc.exe Token: SeSystemEnvironmentPrivilege 3272 msdcsc.exe Token: SeChangeNotifyPrivilege 3272 msdcsc.exe Token: SeRemoteShutdownPrivilege 3272 msdcsc.exe Token: SeUndockPrivilege 3272 msdcsc.exe Token: SeManageVolumePrivilege 3272 msdcsc.exe Token: SeImpersonatePrivilege 3272 msdcsc.exe Token: SeCreateGlobalPrivilege 3272 msdcsc.exe Token: 33 3272 msdcsc.exe Token: 34 3272 msdcsc.exe Token: 35 3272 msdcsc.exe Token: 36 3272 msdcsc.exe Token: SeIncreaseQuotaPrivilege 2828 iexplore.exe Token: SeSecurityPrivilege 2828 iexplore.exe Token: SeTakeOwnershipPrivilege 2828 iexplore.exe Token: SeLoadDriverPrivilege 2828 iexplore.exe Token: SeSystemProfilePrivilege 2828 iexplore.exe Token: SeSystemtimePrivilege 2828 iexplore.exe Token: SeProfSingleProcessPrivilege 2828 iexplore.exe Token: SeIncBasePriorityPrivilege 2828 iexplore.exe Token: SeCreatePagefilePrivilege 2828 iexplore.exe Token: SeBackupPrivilege 2828 iexplore.exe Token: SeRestorePrivilege 2828 iexplore.exe Token: SeShutdownPrivilege 2828 iexplore.exe Token: SeDebugPrivilege 2828 iexplore.exe Token: SeSystemEnvironmentPrivilege 2828 iexplore.exe Token: SeChangeNotifyPrivilege 2828 iexplore.exe Token: SeRemoteShutdownPrivilege 2828 iexplore.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2828 iexplore.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4692 wrote to memory of 3272 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe 86 PID 4692 wrote to memory of 3272 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe 86 PID 4692 wrote to memory of 3272 4692 JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe 86 PID 3272 wrote to memory of 2828 3272 msdcsc.exe 87 PID 3272 wrote to memory of 2828 3272 msdcsc.exe 87 PID 3272 wrote to memory of 2828 3272 msdcsc.exe 87 PID 3272 wrote to memory of 2828 3272 msdcsc.exe 87 PID 3272 wrote to memory of 2828 3272 msdcsc.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b72b066e97055e859d4c4fe1e2ce84b.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2828
-
-
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
- Path C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
- Size 251KB
- SHA256 8e5f1c5943a1f7d03bba72b77f532a3c46f314d1cf1eb4dd6e651b5168a90a76
- MD5 6b72b066e97055e859d4c4fe1e2ce84b
- SHA1 d5ad14292e12510c9389508220c288bb7a43b2be
- SHA512 cbe0d4f87beed4f0363c8a6b4451ea2307ea6d1c69122b462e938a839ce2f582338fe362137dd93ea1f792613b5b151a2278a88e3486dd1cd66ccf957af6c3e8
- SSDEEP 6144:ocNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37p:ocW7KEZlPzCy37p
- MD5 SHA1 SHA512 SSDEEP