Analysis
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max time kernel
149s -
max time network
151s -
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 22:14
Behavioral task
behavioral1
Sample
71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe
Resource
win7-20240705-en
General
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Target
71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe
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Size
402KB
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MD5
71724dd56b95cfd21320f590f574443e
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SHA1
e1c8dd908425fcf802bc33675d3c48f894a7b238
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SHA256
01266e3f2e2c18d219ad878dcccf2717e5b8205d62d2a1afe231d76bd216c9f1
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SHA512
8793e1dbdd87d79cdf19841caf3f1818f4b8d57a6a009afee233231a95970a40991e287d643aff368830f447fd80e3f6d4ed5f3a145bb6931642f077e1221921
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SSDEEP
12288:rhxoMVJyfJNiN3N1x080oUJjZmcUjupNiP:rrdJyRNiN350r4IiP
Malware Config
Extracted
darkcomet
Guest16
127.0.0.1:1604
DC_MUTEX-YV9537W
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InstallPath
MSDCSC\msdcsc.exe
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gencode
vtZamnSTfx5d
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install
true
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offline_keylogger
true
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persistence
false
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reg_key
MicroUpdate
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
71724dd56b95cfd21320f590f574443e_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
71724dd56b95cfd21320f590f574443e_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
Processes:
msdcsc.exemsdcsc.exepid process 1448 msdcsc.exe 416 msdcsc.exe -
Processes:
resource yara_rule behavioral2/memory/3056-0-0x0000000000400000-0x000000000047F000-memory.dmp upx behavioral2/memory/3056-1-0x0000000000400000-0x000000000047F000-memory.dmp upx behavioral2/memory/3056-3-0x0000000000400000-0x000000000047F000-memory.dmp upx behavioral2/memory/216-8-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/3056-9-0x0000000000400000-0x000000000047F000-memory.dmp upx behavioral2/memory/216-10-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/216-5-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/216-13-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/216-12-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/216-6-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/216-4-0x0000000000400000-0x00000000004BA000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe upx behavioral2/memory/1448-25-0x0000000000400000-0x000000000047F000-memory.dmp upx behavioral2/memory/1448-26-0x0000000000400000-0x000000000047F000-memory.dmp upx behavioral2/memory/1448-28-0x0000000000400000-0x000000000047F000-memory.dmp upx behavioral2/memory/216-20-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-36-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/1448-39-0x0000000000400000-0x000000000047F000-memory.dmp upx behavioral2/memory/416-40-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-37-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-35-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-41-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-43-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-42-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-44-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-45-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-46-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-47-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-49-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-50-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-51-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-52-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-53-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-54-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-55-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-57-0x0000000000400000-0x00000000004BA000-memory.dmp upx behavioral2/memory/416-58-0x0000000000400000-0x00000000004BA000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
71724dd56b95cfd21320f590f574443e_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
71724dd56b95cfd21320f590f574443e_JaffaCakes118.exemsdcsc.exedescription pid process target process PID 3056 set thread context of 216 3056 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe PID 1448 set thread context of 416 1448 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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
71724dd56b95cfd21320f590f574443e_JaffaCakes118.exemsdcsc.exemsdcsc.exe71724dd56b95cfd21320f590f574443e_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
71724dd56b95cfd21320f590f574443e_JaffaCakes118.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeSecurityPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeLoadDriverPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeSystemProfilePrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeSystemtimePrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeBackupPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeRestorePrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeShutdownPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeDebugPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeUndockPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeManageVolumePrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeImpersonatePrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: 33 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: 34 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: 35 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: 36 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 416 msdcsc.exe Token: SeSecurityPrivilege 416 msdcsc.exe Token: SeTakeOwnershipPrivilege 416 msdcsc.exe Token: SeLoadDriverPrivilege 416 msdcsc.exe Token: SeSystemProfilePrivilege 416 msdcsc.exe Token: SeSystemtimePrivilege 416 msdcsc.exe Token: SeProfSingleProcessPrivilege 416 msdcsc.exe Token: SeIncBasePriorityPrivilege 416 msdcsc.exe Token: SeCreatePagefilePrivilege 416 msdcsc.exe Token: SeBackupPrivilege 416 msdcsc.exe Token: SeRestorePrivilege 416 msdcsc.exe Token: SeShutdownPrivilege 416 msdcsc.exe Token: SeDebugPrivilege 416 msdcsc.exe Token: SeSystemEnvironmentPrivilege 416 msdcsc.exe Token: SeChangeNotifyPrivilege 416 msdcsc.exe Token: SeRemoteShutdownPrivilege 416 msdcsc.exe Token: SeUndockPrivilege 416 msdcsc.exe Token: SeManageVolumePrivilege 416 msdcsc.exe Token: SeImpersonatePrivilege 416 msdcsc.exe Token: SeCreateGlobalPrivilege 416 msdcsc.exe Token: 33 416 msdcsc.exe Token: 34 416 msdcsc.exe Token: 35 416 msdcsc.exe Token: 36 416 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 416 msdcsc.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe71724dd56b95cfd21320f590f574443e_JaffaCakes118.exemsdcsc.exedescription pid process target process PID 3056 wrote to memory of 216 3056 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe PID 3056 wrote to memory of 216 3056 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe PID 3056 wrote to memory of 216 3056 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe PID 3056 wrote to memory of 216 3056 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe PID 3056 wrote to memory of 216 3056 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe PID 3056 wrote to memory of 216 3056 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe PID 3056 wrote to memory of 216 3056 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe PID 3056 wrote to memory of 216 3056 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe PID 216 wrote to memory of 1448 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe msdcsc.exe PID 216 wrote to memory of 1448 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe msdcsc.exe PID 216 wrote to memory of 1448 216 71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe msdcsc.exe PID 1448 wrote to memory of 416 1448 msdcsc.exe msdcsc.exe PID 1448 wrote to memory of 416 1448 msdcsc.exe msdcsc.exe PID 1448 wrote to memory of 416 1448 msdcsc.exe msdcsc.exe PID 1448 wrote to memory of 416 1448 msdcsc.exe msdcsc.exe PID 1448 wrote to memory of 416 1448 msdcsc.exe msdcsc.exe PID 1448 wrote to memory of 416 1448 msdcsc.exe msdcsc.exe PID 1448 wrote to memory of 416 1448 msdcsc.exe msdcsc.exe PID 1448 wrote to memory of 416 1448 msdcsc.exe msdcsc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Users\Admin\AppData\Local\Temp\71724dd56b95cfd21320f590f574443e_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\71724dd56b95cfd21320f590f574443e_JaffaCakes118.exe2⤵
- 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:216 -
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exeC:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:416
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
Loading Replay Monitor...
Downloads
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Filesize
402KB
MD571724dd56b95cfd21320f590f574443e
SHA1e1c8dd908425fcf802bc33675d3c48f894a7b238
SHA25601266e3f2e2c18d219ad878dcccf2717e5b8205d62d2a1afe231d76bd216c9f1
SHA5128793e1dbdd87d79cdf19841caf3f1818f4b8d57a6a009afee233231a95970a40991e287d643aff368830f447fd80e3f6d4ed5f3a145bb6931642f077e1221921