Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
11/08/2024, 16:43
Behavioral task
behavioral1
Sample
8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe
Resource
win7-20240704-en
windows7-x64
10 signatures
150 seconds
General
- Target 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe
- Size 681KB
- Sample240811-t8np4ssdld
- SHA256 140d2e0c8b86683b3224409d4d2162a7e1256f9d4e6d10f342db906bb0f1181b
- MD5 8b24b9aeae2d55b5e6c1c0381ef3aafe
- SHA1 f977f3570968bd61f3868d3d3a96f208c680e945
- SHA512 4f16cc7ce31f41958a2dc1db10e553f93f49813b3de64dceb5ffa4549e5b2f7f4905b85a90a5327742c97b6d2df3683085a13eb6dcec356911dd9a32388d20a0
- SSDEEP 12288:Gk0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+jG:r0QRWoJEfg0oChGdJQbjPbNW5tYeP+Gr
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
darkcomet
Botnet
-
Test
C2
-
potatoz.zapto.org:6969
Mutex
-
DC_MUTEX-JZERDY8
Attributes
-
InstallPath
MSDCSC\msdcsr.exe
-
gencode
bqLbvi0g9cjh
-
install
true
-
offline_keylogger
true
-
password
g930
-
persistence
true
-
reg_key
babvodo
Signatures
- 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\\msdcsr.exe" 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe - Executes dropped EXE 1 IoCs
pid Process 2608 msdcsr.exe - Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\babvodo = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsr.exe" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\babvodo = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsr.exe" 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\babvodo = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsr.exe" msdcsr.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2608 set thread context of 1840 2608 msdcsr.exe 85 - 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 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeSecurityPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeLoadDriverPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeSystemProfilePrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeSystemtimePrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeBackupPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeRestorePrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeShutdownPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeDebugPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeUndockPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeManageVolumePrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeImpersonatePrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: 33 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: 34 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: 35 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: 36 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2608 msdcsr.exe Token: SeSecurityPrivilege 2608 msdcsr.exe Token: SeTakeOwnershipPrivilege 2608 msdcsr.exe Token: SeLoadDriverPrivilege 2608 msdcsr.exe Token: SeSystemProfilePrivilege 2608 msdcsr.exe Token: SeSystemtimePrivilege 2608 msdcsr.exe Token: SeProfSingleProcessPrivilege 2608 msdcsr.exe Token: SeIncBasePriorityPrivilege 2608 msdcsr.exe Token: SeCreatePagefilePrivilege 2608 msdcsr.exe Token: SeBackupPrivilege 2608 msdcsr.exe Token: SeRestorePrivilege 2608 msdcsr.exe Token: SeShutdownPrivilege 2608 msdcsr.exe Token: SeDebugPrivilege 2608 msdcsr.exe Token: SeSystemEnvironmentPrivilege 2608 msdcsr.exe Token: SeChangeNotifyPrivilege 2608 msdcsr.exe Token: SeRemoteShutdownPrivilege 2608 msdcsr.exe Token: SeUndockPrivilege 2608 msdcsr.exe Token: SeManageVolumePrivilege 2608 msdcsr.exe Token: SeImpersonatePrivilege 2608 msdcsr.exe Token: SeCreateGlobalPrivilege 2608 msdcsr.exe Token: 33 2608 msdcsr.exe Token: 34 2608 msdcsr.exe Token: 35 2608 msdcsr.exe Token: 36 2608 msdcsr.exe Token: SeIncreaseQuotaPrivilege 1840 iexplore.exe Token: SeSecurityPrivilege 1840 iexplore.exe Token: SeTakeOwnershipPrivilege 1840 iexplore.exe Token: SeLoadDriverPrivilege 1840 iexplore.exe Token: SeSystemProfilePrivilege 1840 iexplore.exe Token: SeSystemtimePrivilege 1840 iexplore.exe Token: SeProfSingleProcessPrivilege 1840 iexplore.exe Token: SeIncBasePriorityPrivilege 1840 iexplore.exe Token: SeCreatePagefilePrivilege 1840 iexplore.exe Token: SeBackupPrivilege 1840 iexplore.exe Token: SeRestorePrivilege 1840 iexplore.exe Token: SeShutdownPrivilege 1840 iexplore.exe Token: SeDebugPrivilege 1840 iexplore.exe Token: SeSystemEnvironmentPrivilege 1840 iexplore.exe Token: SeChangeNotifyPrivilege 1840 iexplore.exe Token: SeRemoteShutdownPrivilege 1840 iexplore.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1840 iexplore.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1284 wrote to memory of 2608 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe 84 PID 1284 wrote to memory of 2608 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe 84 PID 1284 wrote to memory of 2608 1284 8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe 84 PID 2608 wrote to memory of 1840 2608 msdcsr.exe 85 PID 2608 wrote to memory of 1840 2608 msdcsr.exe 85 PID 2608 wrote to memory of 1840 2608 msdcsr.exe 85 PID 2608 wrote to memory of 1840 2608 msdcsr.exe 85 PID 2608 wrote to memory of 1840 2608 msdcsr.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\8b24b9aeae2d55b5e6c1c0381ef3aafe_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8b24b9aeae2d55b5e6c1c0381ef3aafe_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:1284 -
C:\Users\Admin\Documents\MSDCSC\msdcsr.exe"C:\Users\Admin\Documents\MSDCSC\msdcsr.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:2608 -
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:1840
-
-
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\msdcsr.exe
- Size 681KB
- SHA256 140d2e0c8b86683b3224409d4d2162a7e1256f9d4e6d10f342db906bb0f1181b
- MD5 8b24b9aeae2d55b5e6c1c0381ef3aafe
- SHA1 f977f3570968bd61f3868d3d3a96f208c680e945
- SHA512 4f16cc7ce31f41958a2dc1db10e553f93f49813b3de64dceb5ffa4549e5b2f7f4905b85a90a5327742c97b6d2df3683085a13eb6dcec356911dd9a32388d20a0
- SSDEEP 12288:Gk0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+jG:r0QRWoJEfg0oChGdJQbjPbNW5tYeP+Gr
- MD5 SHA1 SHA512 SSDEEP