Analysis
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max time kernel
149s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10-08-2024 17:53
Behavioral task
behavioral1
Sample
52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe
Resource
win7-20240705-en
General
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Target
52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe
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Size
923KB
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MD5
cc9acc9e7253ddefeea935cf0e706272
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SHA1
f2fa28d60ddae4a90747bec861e6b4ba6e9486a9
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SHA256
52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5
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SHA512
4aab367331b9dd69d7ae5b520718542f260e1630f291728b19e682d5e737d3428441df65c58946d48e806906566a05e823b5a87ce337bc4923c29d3b87092c64
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SSDEEP
12288:O9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hI82gG:aZ1xuVVjfFoynPaVBUR8f+kN10EBpe
Malware Config
Extracted
darkcomet
Guest16
april-came.gl.at.ply.gg:61838
DC_MUTEX-6ZL3QWE
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InstallPath
MSDCSC\msdcsc.exe
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gencode
iogNsu6a0J2i
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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:
52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.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" 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.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 -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
Processes:
attrib.exeattrib.exepid process 1052 attrib.exe 4468 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 1788 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 -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exemsdcsc.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\\Documents\\MSDCSC\\msdcsc.exe" 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\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 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
cmd.execmd.exeattrib.exeattrib.exemsdcsc.exenotepad.exe52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe -
Modifies registry class 1 IoCs
Processes:
52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeSecurityPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeTakeOwnershipPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeLoadDriverPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeSystemProfilePrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeSystemtimePrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeProfSingleProcessPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeIncBasePriorityPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeCreatePagefilePrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeBackupPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeRestorePrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeShutdownPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeDebugPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeSystemEnvironmentPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeChangeNotifyPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeRemoteShutdownPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeUndockPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeManageVolumePrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeImpersonatePrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeCreateGlobalPrivilege 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: 33 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: 34 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: 35 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: 36 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe Token: SeIncreaseQuotaPrivilege 1788 msdcsc.exe Token: SeSecurityPrivilege 1788 msdcsc.exe Token: SeTakeOwnershipPrivilege 1788 msdcsc.exe Token: SeLoadDriverPrivilege 1788 msdcsc.exe Token: SeSystemProfilePrivilege 1788 msdcsc.exe Token: SeSystemtimePrivilege 1788 msdcsc.exe Token: SeProfSingleProcessPrivilege 1788 msdcsc.exe Token: SeIncBasePriorityPrivilege 1788 msdcsc.exe Token: SeCreatePagefilePrivilege 1788 msdcsc.exe Token: SeBackupPrivilege 1788 msdcsc.exe Token: SeRestorePrivilege 1788 msdcsc.exe Token: SeShutdownPrivilege 1788 msdcsc.exe Token: SeDebugPrivilege 1788 msdcsc.exe Token: SeSystemEnvironmentPrivilege 1788 msdcsc.exe Token: SeChangeNotifyPrivilege 1788 msdcsc.exe Token: SeRemoteShutdownPrivilege 1788 msdcsc.exe Token: SeUndockPrivilege 1788 msdcsc.exe Token: SeManageVolumePrivilege 1788 msdcsc.exe Token: SeImpersonatePrivilege 1788 msdcsc.exe Token: SeCreateGlobalPrivilege 1788 msdcsc.exe Token: 33 1788 msdcsc.exe Token: 34 1788 msdcsc.exe Token: 35 1788 msdcsc.exe Token: 36 1788 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 1788 msdcsc.exe -
Suspicious use of WriteProcessMemory 37 IoCs
Processes:
52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.execmd.execmd.exemsdcsc.exedescription pid process target process PID 3060 wrote to memory of 4508 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe cmd.exe PID 3060 wrote to memory of 4508 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe cmd.exe PID 3060 wrote to memory of 4508 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe cmd.exe PID 3060 wrote to memory of 4732 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe cmd.exe PID 3060 wrote to memory of 4732 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe cmd.exe PID 3060 wrote to memory of 4732 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe cmd.exe PID 4508 wrote to memory of 1052 4508 cmd.exe attrib.exe PID 4508 wrote to memory of 1052 4508 cmd.exe attrib.exe PID 4508 wrote to memory of 1052 4508 cmd.exe attrib.exe PID 4732 wrote to memory of 4468 4732 cmd.exe attrib.exe PID 4732 wrote to memory of 4468 4732 cmd.exe attrib.exe PID 4732 wrote to memory of 4468 4732 cmd.exe attrib.exe PID 3060 wrote to memory of 1788 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe msdcsc.exe PID 3060 wrote to memory of 1788 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe msdcsc.exe PID 3060 wrote to memory of 1788 3060 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe msdcsc.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.exe PID 1788 wrote to memory of 232 1788 msdcsc.exe notepad.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 -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1052 attrib.exe 4468 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe"C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.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:3060 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:1052 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4468 -
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
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1788 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:232
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
2Disable or Modify Tools
2Modify Registry
6Replay Monitor
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Downloads
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Filesize
923KB
MD5cc9acc9e7253ddefeea935cf0e706272
SHA1f2fa28d60ddae4a90747bec861e6b4ba6e9486a9
SHA25652a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5
SHA5124aab367331b9dd69d7ae5b520718542f260e1630f291728b19e682d5e737d3428441df65c58946d48e806906566a05e823b5a87ce337bc4923c29d3b87092c64