Analysis
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max time kernel
148s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
16-05-2024 21:41
Behavioral task
behavioral1
Sample
4d254669a3288a023310caae738470c8_JaffaCakes118.exe
Resource
win7-20240508-en
General
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Target
4d254669a3288a023310caae738470c8_JaffaCakes118.exe
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Size
252KB
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MD5
4d254669a3288a023310caae738470c8
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SHA1
5ed0204f0ee83c1129119de8538c28131cb11d4c
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SHA256
2e7e6e2f4dfb425726c2c3a9712e3b4a37ff986181abc29c22d638bbd7b2a6fb
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SHA512
c285948dd5148de045e695903f36fc4ca894ca4dfedb1d49ee322c8acc90729238b69fb5b4f08124bda7bf709dd4f1fc4d2390aff7ddab6193ec4ec87cfcfaf6
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SSDEEP
6144:HcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQ:HcWkbgTYWnYnt/IDYhP
Malware Config
Extracted
darkcomet
ALL
188.0.213.201:1604
DC_MUTEX-Z7ZKSB2
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InstallPath
MSDCSC\msdcsc.exe
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gencode
bEF6Ca2SpQqE
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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:
4d254669a3288a023310caae738470c8_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" 4d254669a3288a023310caae738470c8_JaffaCakes118.exe -
Modifies security service 2 TTPs 1 IoCs
Processes:
msdcsc.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" msdcsc.exe -
Processes:
msdcsc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 2580 msdcsc.exe -
Loads dropped DLL 2 IoCs
Processes:
4d254669a3288a023310caae738470c8_JaffaCakes118.exepid process 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe -
Processes:
resource yara_rule behavioral1/memory/1616-0-0x0000000000400000-0x00000000004B7000-memory.dmp upx \Users\Admin\Documents\MSDCSC\msdcsc.exe upx behavioral1/memory/1616-11-0x00000000041A0000-0x0000000004257000-memory.dmp upx behavioral1/memory/1616-15-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2580-16-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2580-18-0x0000000000400000-0x00000000004B7000-memory.dmp upx -
Processes:
msdcsc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
4d254669a3288a023310caae738470c8_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" 4d254669a3288a023310caae738470c8_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 46 IoCs
Processes:
4d254669a3288a023310caae738470c8_JaffaCakes118.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeSecurityPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeLoadDriverPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeSystemProfilePrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeSystemtimePrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeBackupPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeRestorePrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeShutdownPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeDebugPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeUndockPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeManageVolumePrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeImpersonatePrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: 33 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: 34 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: 35 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2580 msdcsc.exe Token: SeSecurityPrivilege 2580 msdcsc.exe Token: SeTakeOwnershipPrivilege 2580 msdcsc.exe Token: SeLoadDriverPrivilege 2580 msdcsc.exe Token: SeSystemProfilePrivilege 2580 msdcsc.exe Token: SeSystemtimePrivilege 2580 msdcsc.exe Token: SeProfSingleProcessPrivilege 2580 msdcsc.exe Token: SeIncBasePriorityPrivilege 2580 msdcsc.exe Token: SeCreatePagefilePrivilege 2580 msdcsc.exe Token: SeBackupPrivilege 2580 msdcsc.exe Token: SeRestorePrivilege 2580 msdcsc.exe Token: SeShutdownPrivilege 2580 msdcsc.exe Token: SeDebugPrivilege 2580 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2580 msdcsc.exe Token: SeChangeNotifyPrivilege 2580 msdcsc.exe Token: SeRemoteShutdownPrivilege 2580 msdcsc.exe Token: SeUndockPrivilege 2580 msdcsc.exe Token: SeManageVolumePrivilege 2580 msdcsc.exe Token: SeImpersonatePrivilege 2580 msdcsc.exe Token: SeCreateGlobalPrivilege 2580 msdcsc.exe Token: 33 2580 msdcsc.exe Token: 34 2580 msdcsc.exe Token: 35 2580 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 2580 msdcsc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
4d254669a3288a023310caae738470c8_JaffaCakes118.exedescription pid process target process PID 1616 wrote to memory of 2580 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe msdcsc.exe PID 1616 wrote to memory of 2580 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe msdcsc.exe PID 1616 wrote to memory of 2580 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe msdcsc.exe PID 1616 wrote to memory of 2580 1616 4d254669a3288a023310caae738470c8_JaffaCakes118.exe msdcsc.exe -
System policy modification 1 TTPs 3 IoCs
Processes:
msdcsc.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion msdcsc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" msdcsc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4d254669a3288a023310caae738470c8_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4d254669a3288a023310caae738470c8_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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\Users\Admin\Documents\MSDCSC\msdcsc.exeFilesize
252KB
MD54d254669a3288a023310caae738470c8
SHA15ed0204f0ee83c1129119de8538c28131cb11d4c
SHA2562e7e6e2f4dfb425726c2c3a9712e3b4a37ff986181abc29c22d638bbd7b2a6fb
SHA512c285948dd5148de045e695903f36fc4ca894ca4dfedb1d49ee322c8acc90729238b69fb5b4f08124bda7bf709dd4f1fc4d2390aff7ddab6193ec4ec87cfcfaf6
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memory/1616-0-0x0000000000400000-0x00000000004B7000-memory.dmpFilesize
732KB
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memory/1616-1-0x0000000000260000-0x0000000000261000-memory.dmpFilesize
4KB
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memory/1616-12-0x00000000041A0000-0x0000000004257000-memory.dmpFilesize
732KB
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memory/1616-11-0x00000000041A0000-0x0000000004257000-memory.dmpFilesize
732KB
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memory/1616-15-0x0000000000400000-0x00000000004B7000-memory.dmpFilesize
732KB
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memory/2580-16-0x0000000000400000-0x00000000004B7000-memory.dmpFilesize
732KB
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memory/2580-18-0x0000000000400000-0x00000000004B7000-memory.dmpFilesize
732KB