Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-08-2024 22:55
Behavioral task
behavioral1
Sample
83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe
Resource
win7-20240708-en
General
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Target
83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe
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Size
350KB
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MD5
83e0ddac12acdb27da50f5dced06226f
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SHA1
e3dd811dbc691b529b84fa9b6cc053f04373e217
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SHA256
61e7b3bb8058709bee55672ac85b66b083baeae7235d5016fcddeed5c6917db9
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SHA512
2bbbc70c1ad09b339cd060b0e33321f9d79c391cda58ba5e5d60078a66359c74de33cd1a6592122e4129102567c18ac9361ca046e4a914966cb1edf0ed1a15a9
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SSDEEP
6144:xBJVqu5jxRl+t6Ge0qw0kw9+Ks9a8/7z6lntXnZa0:xtqwjxRl+t6GfL7zcdng
Malware Config
Extracted
darkcomet
Guest16
abod12345.no-ip.info:999
DC_MUTEX-VJQ8V8D
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InstallPath
MSDCSC\msdcsc.exe
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gencode
3VJFaguAC0JG
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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:
83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe" 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 4112 msdcsc.exe -
Processes:
resource yara_rule behavioral2/memory/2596-0-0x0000000000400000-0x00000000004EB000-memory.dmp upx C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe upx behavioral2/memory/2596-63-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-64-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-65-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-66-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-67-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-68-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-69-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-70-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-71-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-72-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-73-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-74-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-75-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-76-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-77-0x0000000000400000-0x00000000004EB000-memory.dmp upx behavioral2/memory/4112-78-0x0000000000400000-0x00000000004EB000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe" 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.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 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exemsdcsc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe -
Modifies registry class 1 IoCs
Processes:
83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeSecurityPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeSystemtimePrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeBackupPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeRestorePrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeShutdownPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeDebugPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeUndockPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeManageVolumePrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeImpersonatePrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: 33 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: 34 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: 35 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: 36 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 4112 msdcsc.exe Token: SeSecurityPrivilege 4112 msdcsc.exe Token: SeTakeOwnershipPrivilege 4112 msdcsc.exe Token: SeLoadDriverPrivilege 4112 msdcsc.exe Token: SeSystemProfilePrivilege 4112 msdcsc.exe Token: SeSystemtimePrivilege 4112 msdcsc.exe Token: SeProfSingleProcessPrivilege 4112 msdcsc.exe Token: SeIncBasePriorityPrivilege 4112 msdcsc.exe Token: SeCreatePagefilePrivilege 4112 msdcsc.exe Token: SeBackupPrivilege 4112 msdcsc.exe Token: SeRestorePrivilege 4112 msdcsc.exe Token: SeShutdownPrivilege 4112 msdcsc.exe Token: SeDebugPrivilege 4112 msdcsc.exe Token: SeSystemEnvironmentPrivilege 4112 msdcsc.exe Token: SeChangeNotifyPrivilege 4112 msdcsc.exe Token: SeRemoteShutdownPrivilege 4112 msdcsc.exe Token: SeUndockPrivilege 4112 msdcsc.exe Token: SeManageVolumePrivilege 4112 msdcsc.exe Token: SeImpersonatePrivilege 4112 msdcsc.exe Token: SeCreateGlobalPrivilege 4112 msdcsc.exe Token: 33 4112 msdcsc.exe Token: 34 4112 msdcsc.exe Token: 35 4112 msdcsc.exe Token: 36 4112 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 4112 msdcsc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exedescription pid process target process PID 2596 wrote to memory of 4112 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe msdcsc.exe PID 2596 wrote to memory of 4112 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe msdcsc.exe PID 2596 wrote to memory of 4112 2596 83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe msdcsc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\83e0ddac12acdb27da50f5dced06226f_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:2596 -
C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4112
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
350KB
MD583e0ddac12acdb27da50f5dced06226f
SHA1e3dd811dbc691b529b84fa9b6cc053f04373e217
SHA25661e7b3bb8058709bee55672ac85b66b083baeae7235d5016fcddeed5c6917db9
SHA5122bbbc70c1ad09b339cd060b0e33321f9d79c391cda58ba5e5d60078a66359c74de33cd1a6592122e4129102567c18ac9361ca046e4a914966cb1edf0ed1a15a9