Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14-12-2024 19:06
Behavioral task
behavioral1
Sample
f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
12 signatures
150 seconds
General
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Target
f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
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Size
758KB
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MD5
f03f4eec551892fd56cd50faefe098c3
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SHA1
661a0acbd9d94e8a915e59e922af36022a3d8898
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SHA256
d8d95587173077265b251ef2ad7d0682a229ad227b5878d3d9dd9a638eef9841
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SHA512
7b6acfc53f86b281cb2e841c1ec3f851c2b4e7b30358ec29740076d1b888bb531e35ad6465be026cee4a2fac38632609f62b60afc323f355e2ab73ce47db9c59
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SSDEEP
12288:yXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uy:8nAw2WWeFcfbP9VPSPMTSPL/rWvzq4Ji
Malware Config
Extracted
Family
darkcomet
Botnet
Guest16
C2
andrey222.hopto.org:1604
Mutex
DC_MUTEX-TUY6P8V
Attributes
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InstallPath
MSDCSC\msdcsc.exe
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gencode
YWgrDFvxt48B
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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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Darkcomet family
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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\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2068 msdcsc.exe -
Loads dropped DLL 2 IoCs
pid Process 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" msdcsc.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2068 set thread context of 2892 2068 msdcsc.exe 32 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeSecurityPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeSystemtimePrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeBackupPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeRestorePrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeShutdownPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeDebugPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeUndockPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeManageVolumePrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeImpersonatePrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: 33 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: 34 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: 35 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2068 msdcsc.exe Token: SeSecurityPrivilege 2068 msdcsc.exe Token: SeTakeOwnershipPrivilege 2068 msdcsc.exe Token: SeLoadDriverPrivilege 2068 msdcsc.exe Token: SeSystemProfilePrivilege 2068 msdcsc.exe Token: SeSystemtimePrivilege 2068 msdcsc.exe Token: SeProfSingleProcessPrivilege 2068 msdcsc.exe Token: SeIncBasePriorityPrivilege 2068 msdcsc.exe Token: SeCreatePagefilePrivilege 2068 msdcsc.exe Token: SeBackupPrivilege 2068 msdcsc.exe Token: SeRestorePrivilege 2068 msdcsc.exe Token: SeShutdownPrivilege 2068 msdcsc.exe Token: SeDebugPrivilege 2068 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2068 msdcsc.exe Token: SeChangeNotifyPrivilege 2068 msdcsc.exe Token: SeRemoteShutdownPrivilege 2068 msdcsc.exe Token: SeUndockPrivilege 2068 msdcsc.exe Token: SeManageVolumePrivilege 2068 msdcsc.exe Token: SeImpersonatePrivilege 2068 msdcsc.exe Token: SeCreateGlobalPrivilege 2068 msdcsc.exe Token: 33 2068 msdcsc.exe Token: 34 2068 msdcsc.exe Token: 35 2068 msdcsc.exe Token: SeIncreaseQuotaPrivilege 2892 iexplore.exe Token: SeSecurityPrivilege 2892 iexplore.exe Token: SeTakeOwnershipPrivilege 2892 iexplore.exe Token: SeLoadDriverPrivilege 2892 iexplore.exe Token: SeSystemProfilePrivilege 2892 iexplore.exe Token: SeSystemtimePrivilege 2892 iexplore.exe Token: SeProfSingleProcessPrivilege 2892 iexplore.exe Token: SeIncBasePriorityPrivilege 2892 iexplore.exe Token: SeCreatePagefilePrivilege 2892 iexplore.exe Token: SeBackupPrivilege 2892 iexplore.exe Token: SeRestorePrivilege 2892 iexplore.exe Token: SeShutdownPrivilege 2892 iexplore.exe Token: SeDebugPrivilege 2892 iexplore.exe Token: SeSystemEnvironmentPrivilege 2892 iexplore.exe Token: SeChangeNotifyPrivilege 2892 iexplore.exe Token: SeRemoteShutdownPrivilege 2892 iexplore.exe Token: SeUndockPrivilege 2892 iexplore.exe Token: SeManageVolumePrivilege 2892 iexplore.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2892 iexplore.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2736 wrote to memory of 2068 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe 31 PID 2736 wrote to memory of 2068 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe 31 PID 2736 wrote to memory of 2068 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe 31 PID 2736 wrote to memory of 2068 2736 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe 31 PID 2068 wrote to memory of 2892 2068 msdcsc.exe 32 PID 2068 wrote to memory of 2892 2068 msdcsc.exe 32 PID 2068 wrote to memory of 2892 2068 msdcsc.exe 32 PID 2068 wrote to memory of 2892 2068 msdcsc.exe 32 PID 2068 wrote to memory of 2892 2068 msdcsc.exe 32 PID 2068 wrote to memory of 2892 2068 msdcsc.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"C:\Users\Admin\AppData\Roaming\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:2068 -
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:2892
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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
758KB
MD5f03f4eec551892fd56cd50faefe098c3
SHA1661a0acbd9d94e8a915e59e922af36022a3d8898
SHA256d8d95587173077265b251ef2ad7d0682a229ad227b5878d3d9dd9a638eef9841
SHA5127b6acfc53f86b281cb2e841c1ec3f851c2b4e7b30358ec29740076d1b888bb531e35ad6465be026cee4a2fac38632609f62b60afc323f355e2ab73ce47db9c59