Analysis
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max time kernel
149s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
25-07-2024 05:54
Static task
static1
Behavioral task
behavioral1
Sample
6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe
Resource
win7-20240705-en
General
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Target
6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe
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Size
236KB
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MD5
6e60134d0fe3e65aa45deb9c3e84b1a4
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SHA1
0f221294e3937bcc25691f5d707889d8c5f11eee
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SHA256
df0cad739821bec80626a98c9bc52d501ceda97649bb1f8decff2bd97f41f68a
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SHA512
aa68c008beb86baa0894dda845e966c83598fff08f41ae7d37e6f2d681178e919975e520e6fce649362afe75cf55eff14a1b8a6d645bc440a3251fdd6611f7c0
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SSDEEP
6144:gmDUj24gqU85IzrFA9NfmDuLpNr5NhWudrWDh:gqUj2LkizrzDujVNhWucD
Malware Config
Extracted
darkcomet
Guest16
mkidech.zapto.org:1604
DC_MUTEX-NB20Q2J
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InstallPath
MSDCSC\msdcsc.exe
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gencode
STjsNl3PnbGg
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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:
6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe" 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 2488 msdcsc.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exemsdcsc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe" 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe" msdcsc.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.
Processes:
6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exemsdcsc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeSecurityPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeLoadDriverPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeSystemProfilePrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeSystemtimePrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeBackupPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeRestorePrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeShutdownPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeDebugPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeUndockPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeManageVolumePrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeImpersonatePrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: 33 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: 34 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: 35 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: 36 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2488 msdcsc.exe Token: SeSecurityPrivilege 2488 msdcsc.exe Token: SeTakeOwnershipPrivilege 2488 msdcsc.exe Token: SeLoadDriverPrivilege 2488 msdcsc.exe Token: SeSystemProfilePrivilege 2488 msdcsc.exe Token: SeSystemtimePrivilege 2488 msdcsc.exe Token: SeProfSingleProcessPrivilege 2488 msdcsc.exe Token: SeIncBasePriorityPrivilege 2488 msdcsc.exe Token: SeCreatePagefilePrivilege 2488 msdcsc.exe Token: SeBackupPrivilege 2488 msdcsc.exe Token: SeRestorePrivilege 2488 msdcsc.exe Token: SeShutdownPrivilege 2488 msdcsc.exe Token: SeDebugPrivilege 2488 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2488 msdcsc.exe Token: SeChangeNotifyPrivilege 2488 msdcsc.exe Token: SeRemoteShutdownPrivilege 2488 msdcsc.exe Token: SeUndockPrivilege 2488 msdcsc.exe Token: SeManageVolumePrivilege 2488 msdcsc.exe Token: SeImpersonatePrivilege 2488 msdcsc.exe Token: SeCreateGlobalPrivilege 2488 msdcsc.exe Token: 33 2488 msdcsc.exe Token: 34 2488 msdcsc.exe Token: 35 2488 msdcsc.exe Token: 36 2488 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 2488 msdcsc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exedescription pid process target process PID 4328 wrote to memory of 2488 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe msdcsc.exe PID 4328 wrote to memory of 2488 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe msdcsc.exe PID 4328 wrote to memory of 2488 4328 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe msdcsc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.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:4328 -
C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2488
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
236KB
MD56e60134d0fe3e65aa45deb9c3e84b1a4
SHA10f221294e3937bcc25691f5d707889d8c5f11eee
SHA256df0cad739821bec80626a98c9bc52d501ceda97649bb1f8decff2bd97f41f68a
SHA512aa68c008beb86baa0894dda845e966c83598fff08f41ae7d37e6f2d681178e919975e520e6fce649362afe75cf55eff14a1b8a6d645bc440a3251fdd6611f7c0