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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06/09/2024, 20:14
Behavioral task
behavioral1
Sample
d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
12 signatures
150 seconds
General
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Target
d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe
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Size
285KB
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MD5
d05fb610df9c9fdbaff6a83ba87d1a02
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SHA1
0faa815fe32b741485a5606b098196bc38a0cdd4
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SHA256
ec3d2b696e963ba862eddefb725ab08e3e980023c0d7c524615ee8533ba46d70
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SHA512
6b415f43e5f1730d6e0cfed10109e96755a12f92b8c3a72c4a2afb2ca4d82f5fb0ca719f974f5a4cf6370543004c442b7678db9ed27b97020283f7189998a6fd
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SSDEEP
6144:Flb6SDOiIN4o2cOMayarS0IjX7n6wXmzbBFX:F0Siiu2cOMayaZerXXmhFX
Malware Config
Signatures
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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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe" d05fb610df9c9fdbaff6a83ba87d1a02_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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3480 msdcsc.exe -
resource yara_rule behavioral2/memory/4324-0-0x0000000000400000-0x00000000004C9000-memory.dmp upx behavioral2/files/0x0008000000023429-6.dat upx behavioral2/memory/4324-63-0x0000000000400000-0x00000000004C9000-memory.dmp upx behavioral2/memory/440-65-0x0000000000400000-0x00000000004C9000-memory.dmp upx behavioral2/memory/3480-67-0x0000000000400000-0x00000000004C9000-memory.dmp upx -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe" d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe" msdcsc.exe Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe" iexplore.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3480 set thread context of 440 3480 msdcsc.exe 87 -
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 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.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\ d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeSecurityPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeLoadDriverPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeSystemProfilePrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeSystemtimePrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeBackupPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeRestorePrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeShutdownPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeDebugPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeUndockPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeManageVolumePrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeImpersonatePrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: 33 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: 34 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: 35 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: 36 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 3480 msdcsc.exe Token: SeSecurityPrivilege 3480 msdcsc.exe Token: SeTakeOwnershipPrivilege 3480 msdcsc.exe Token: SeLoadDriverPrivilege 3480 msdcsc.exe Token: SeSystemProfilePrivilege 3480 msdcsc.exe Token: SeSystemtimePrivilege 3480 msdcsc.exe Token: SeProfSingleProcessPrivilege 3480 msdcsc.exe Token: SeIncBasePriorityPrivilege 3480 msdcsc.exe Token: SeCreatePagefilePrivilege 3480 msdcsc.exe Token: SeBackupPrivilege 3480 msdcsc.exe Token: SeRestorePrivilege 3480 msdcsc.exe Token: SeShutdownPrivilege 3480 msdcsc.exe Token: SeDebugPrivilege 3480 msdcsc.exe Token: SeSystemEnvironmentPrivilege 3480 msdcsc.exe Token: SeChangeNotifyPrivilege 3480 msdcsc.exe Token: SeRemoteShutdownPrivilege 3480 msdcsc.exe Token: SeUndockPrivilege 3480 msdcsc.exe Token: SeManageVolumePrivilege 3480 msdcsc.exe Token: SeImpersonatePrivilege 3480 msdcsc.exe Token: SeCreateGlobalPrivilege 3480 msdcsc.exe Token: 33 3480 msdcsc.exe Token: 34 3480 msdcsc.exe Token: 35 3480 msdcsc.exe Token: 36 3480 msdcsc.exe Token: SeIncreaseQuotaPrivilege 440 iexplore.exe Token: SeSecurityPrivilege 440 iexplore.exe Token: SeTakeOwnershipPrivilege 440 iexplore.exe Token: SeLoadDriverPrivilege 440 iexplore.exe Token: SeSystemProfilePrivilege 440 iexplore.exe Token: SeSystemtimePrivilege 440 iexplore.exe Token: SeProfSingleProcessPrivilege 440 iexplore.exe Token: SeIncBasePriorityPrivilege 440 iexplore.exe Token: SeCreatePagefilePrivilege 440 iexplore.exe Token: SeBackupPrivilege 440 iexplore.exe Token: SeRestorePrivilege 440 iexplore.exe Token: SeShutdownPrivilege 440 iexplore.exe Token: SeDebugPrivilege 440 iexplore.exe Token: SeSystemEnvironmentPrivilege 440 iexplore.exe Token: SeChangeNotifyPrivilege 440 iexplore.exe Token: SeRemoteShutdownPrivilege 440 iexplore.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 440 iexplore.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4324 wrote to memory of 3480 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe 86 PID 4324 wrote to memory of 3480 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe 86 PID 4324 wrote to memory of 3480 4324 d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe 86 PID 3480 wrote to memory of 440 3480 msdcsc.exe 87 PID 3480 wrote to memory of 440 3480 msdcsc.exe 87 PID 3480 wrote to memory of 440 3480 msdcsc.exe 87 PID 3480 wrote to memory of 440 3480 msdcsc.exe 87 PID 3480 wrote to memory of 440 3480 msdcsc.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d05fb610df9c9fdbaff6a83ba87d1a02_JaffaCakes118.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:4324 -
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe"C:\ProgramData\Microsoft\Windows\Start Menu\Programs\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:3480 -
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:440
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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
285KB
MD5d05fb610df9c9fdbaff6a83ba87d1a02
SHA10faa815fe32b741485a5606b098196bc38a0cdd4
SHA256ec3d2b696e963ba862eddefb725ab08e3e980023c0d7c524615ee8533ba46d70
SHA5126b415f43e5f1730d6e0cfed10109e96755a12f92b8c3a72c4a2afb2ca4d82f5fb0ca719f974f5a4cf6370543004c442b7678db9ed27b97020283f7189998a6fd