Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
26-07-2024 01:48
Static task
static1
Behavioral task
behavioral1
Sample
72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe
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Size
1.2MB
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MD5
72212799efeb70dac8ed957e6503616b
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SHA1
e7fd90088f8060c157bb2aa6766726fd7d0d9948
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SHA256
48d1664bc3d660296658ef0748961a585492f28d03804fa4f18720cf1476378b
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SHA512
0cdf354752ebd511b7e04f0fdc98eac4027de5be54e9f8754535827a1f2c81abd005b9f7f6c071912113c1515dc101f84080c87250f21b780d7945b3b48bed39
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SSDEEP
24576:BSGvv3I+gyV4tq1KBTVuArGrWuRrv9SuhXgu+ex0Rst5pzveyeNA:BSS5bETV3rMWmz9hWRwpiS
Malware Config
Extracted
darkcomet
Guest16
yahoomessenger.myvnc.com:1604
DC_MUTEX-5E877ZT
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InstallPath
MSDCSC\msdcsc.exe
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gencode
1Rs02FyAuq15
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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:
72212799efeb70dac8ed957e6503616b_JaffaCakes118.exedescription 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" 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
notepad.exepid process 2844 notepad.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 2760 msdcsc.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
72212799efeb70dac8ed957e6503616b_JaffaCakes118.exemsdcsc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Wine 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Key opened \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Wine msdcsc.exe -
Loads dropped DLL 2 IoCs
Processes:
72212799efeb70dac8ed957e6503616b_JaffaCakes118.exepid process 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
72212799efeb70dac8ed957e6503616b_JaffaCakes118.exemsdcsc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" msdcsc.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
72212799efeb70dac8ed957e6503616b_JaffaCakes118.exemsdcsc.exepid process 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe 2760 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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
notepad.exemsdcsc.exe72212799efeb70dac8ed957e6503616b_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
72212799efeb70dac8ed957e6503616b_JaffaCakes118.exemsdcsc.exepid process 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe 2760 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
Processes:
72212799efeb70dac8ed957e6503616b_JaffaCakes118.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeSecurityPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeSystemtimePrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeBackupPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeRestorePrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeShutdownPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeDebugPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeUndockPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeManageVolumePrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeImpersonatePrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: 33 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: 34 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: 35 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2760 msdcsc.exe Token: SeSecurityPrivilege 2760 msdcsc.exe Token: SeTakeOwnershipPrivilege 2760 msdcsc.exe Token: SeLoadDriverPrivilege 2760 msdcsc.exe Token: SeSystemProfilePrivilege 2760 msdcsc.exe Token: SeSystemtimePrivilege 2760 msdcsc.exe Token: SeProfSingleProcessPrivilege 2760 msdcsc.exe Token: SeIncBasePriorityPrivilege 2760 msdcsc.exe Token: SeCreatePagefilePrivilege 2760 msdcsc.exe Token: SeBackupPrivilege 2760 msdcsc.exe Token: SeRestorePrivilege 2760 msdcsc.exe Token: SeShutdownPrivilege 2760 msdcsc.exe Token: SeDebugPrivilege 2760 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2760 msdcsc.exe Token: SeChangeNotifyPrivilege 2760 msdcsc.exe Token: SeRemoteShutdownPrivilege 2760 msdcsc.exe Token: SeUndockPrivilege 2760 msdcsc.exe Token: SeManageVolumePrivilege 2760 msdcsc.exe Token: SeImpersonatePrivilege 2760 msdcsc.exe Token: SeCreateGlobalPrivilege 2760 msdcsc.exe Token: 33 2760 msdcsc.exe Token: 34 2760 msdcsc.exe Token: 35 2760 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 2760 msdcsc.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
72212799efeb70dac8ed957e6503616b_JaffaCakes118.exedescription pid process target process PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2844 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe notepad.exe PID 2052 wrote to memory of 2760 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe msdcsc.exe PID 2052 wrote to memory of 2760 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe msdcsc.exe PID 2052 wrote to memory of 2760 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe msdcsc.exe PID 2052 wrote to memory of 2760 2052 72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe msdcsc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Identifies Wine through registry keys
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2844 -
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2760
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
1.2MB
MD572212799efeb70dac8ed957e6503616b
SHA1e7fd90088f8060c157bb2aa6766726fd7d0d9948
SHA25648d1664bc3d660296658ef0748961a585492f28d03804fa4f18720cf1476378b
SHA5120cdf354752ebd511b7e04f0fdc98eac4027de5be54e9f8754535827a1f2c81abd005b9f7f6c071912113c1515dc101f84080c87250f21b780d7945b3b48bed39