Analysis
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max time kernel
150s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
29-07-2024 02:50
Behavioral task
behavioral1
Sample
34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe
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Size
690KB
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MD5
34548c36fa9c6322887e5a9374735abe
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SHA1
fb1b0f0abca304c5a0c2f8ab13526a7aadcea48d
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SHA256
1b5199a1d887ff4763b382aeafcaf2d49e354ed97b1f610984574a60ff326c77
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SHA512
b9ba9efa38d2e50b1e9b04099ead7725897879c360f8bfb80ed7a5b7282b9c86660b6a70b858dd85372f1851421a454d4988f5c05439282ea7fdaf3bbc505aeb
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SSDEEP
12288:p9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hT6:zZ1xuVVjfFoynPaVBUR8f+kN10EBw
Malware Config
Extracted
darkcomet
Guest16
127.0.0.1:1604
DC_MUTEX-QWSK3NR
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InstallPath
MSDCSC\msdcsc.exe
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gencode
LdZbQGjmRsr1
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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:
34548c36fa9c6322887e5a9374735abe_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\\Roaming\\MSDCSC\\msdcsc.exe" 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
Processes:
msdcsc.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" msdcsc.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 -
Disables RegEdit via registry modification 1 IoCs
Processes:
msdcsc.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-1266786182-1874524688-71015548-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "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 1736 attrib.exe 4312 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1266786182-1874524688-71015548-1000\Control Panel\International\Geo\Nation 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 1412 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:
34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exemsdcsc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1266786182-1874524688-71015548-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1266786182-1874524688-71015548-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\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:
attrib.exemsdcsc.exenotepad.exe34548c36fa9c6322887e5a9374735abe_JaffaCakes118.execmd.execmd.exeattrib.exedescription ioc process 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 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe 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 -
Modifies registry class 1 IoCs
Processes:
34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
msdcsc.exepid process 1412 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeSecurityPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeLoadDriverPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeSystemProfilePrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeSystemtimePrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeBackupPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeRestorePrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeShutdownPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeDebugPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeUndockPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeManageVolumePrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeImpersonatePrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: 33 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: 34 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: 35 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: 36 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 1412 msdcsc.exe Token: SeSecurityPrivilege 1412 msdcsc.exe Token: SeTakeOwnershipPrivilege 1412 msdcsc.exe Token: SeLoadDriverPrivilege 1412 msdcsc.exe Token: SeSystemProfilePrivilege 1412 msdcsc.exe Token: SeSystemtimePrivilege 1412 msdcsc.exe Token: SeProfSingleProcessPrivilege 1412 msdcsc.exe Token: SeIncBasePriorityPrivilege 1412 msdcsc.exe Token: SeCreatePagefilePrivilege 1412 msdcsc.exe Token: SeBackupPrivilege 1412 msdcsc.exe Token: SeRestorePrivilege 1412 msdcsc.exe Token: SeShutdownPrivilege 1412 msdcsc.exe Token: SeDebugPrivilege 1412 msdcsc.exe Token: SeSystemEnvironmentPrivilege 1412 msdcsc.exe Token: SeChangeNotifyPrivilege 1412 msdcsc.exe Token: SeRemoteShutdownPrivilege 1412 msdcsc.exe Token: SeUndockPrivilege 1412 msdcsc.exe Token: SeManageVolumePrivilege 1412 msdcsc.exe Token: SeImpersonatePrivilege 1412 msdcsc.exe Token: SeCreateGlobalPrivilege 1412 msdcsc.exe Token: 33 1412 msdcsc.exe Token: 34 1412 msdcsc.exe Token: 35 1412 msdcsc.exe Token: 36 1412 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 1412 msdcsc.exe -
Suspicious use of WriteProcessMemory 37 IoCs
Processes:
34548c36fa9c6322887e5a9374735abe_JaffaCakes118.execmd.execmd.exemsdcsc.exedescription pid process target process PID 1496 wrote to memory of 4528 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe cmd.exe PID 1496 wrote to memory of 4528 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe cmd.exe PID 1496 wrote to memory of 4528 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe cmd.exe PID 1496 wrote to memory of 3716 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe cmd.exe PID 1496 wrote to memory of 3716 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe cmd.exe PID 1496 wrote to memory of 3716 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe cmd.exe PID 3716 wrote to memory of 1736 3716 cmd.exe attrib.exe PID 3716 wrote to memory of 1736 3716 cmd.exe attrib.exe PID 3716 wrote to memory of 1736 3716 cmd.exe attrib.exe PID 4528 wrote to memory of 4312 4528 cmd.exe attrib.exe PID 4528 wrote to memory of 4312 4528 cmd.exe attrib.exe PID 4528 wrote to memory of 4312 4528 cmd.exe attrib.exe PID 1496 wrote to memory of 1412 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe msdcsc.exe PID 1496 wrote to memory of 1412 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe msdcsc.exe PID 1496 wrote to memory of 1412 1496 34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe msdcsc.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 msdcsc.exe notepad.exe PID 1412 wrote to memory of 2088 1412 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\Explorern msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" msdcsc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1736 attrib.exe 4312 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\34548c36fa9c6322887e5a9374735abe_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:1496 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\34548c36fa9c6322887e5a9374735abe_JaffaCakes118.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4312 -
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:3716 -
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:1736 -
C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1412 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:2088
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
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Replay Monitor
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Downloads
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Filesize
690KB
MD534548c36fa9c6322887e5a9374735abe
SHA1fb1b0f0abca304c5a0c2f8ab13526a7aadcea48d
SHA2561b5199a1d887ff4763b382aeafcaf2d49e354ed97b1f610984574a60ff326c77
SHA512b9ba9efa38d2e50b1e9b04099ead7725897879c360f8bfb80ed7a5b7282b9c86660b6a70b858dd85372f1851421a454d4988f5c05439282ea7fdaf3bbc505aeb