Analysis
- max time kernel
31s - max time network
39s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
11/08/2024, 11:43
Behavioral task
behavioral1
Sample
8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe
Resource
win7-20240708-en
windows7-x64
22 signatures
150 seconds
Errors
Reason
Machine shutdown
General
- Target 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe
- Size 284KB
- Sample240811-nvv95sscqa
- SHA256 9838e229ca80d7d2f1a9d67a83014127b3bed58cf3941be5ebb7313285e1992e
- MD5 8a3babb47d9bbcb82de6385a929eec89
- SHA1 8a0a85f0b6f179b05864a4e9b92f0454f30cd80d
- SHA512 4fede170279f4945566e73c52ddb0d4ea477386fca89731121f627b046d0d3798d7c52a11701a6a9dc3e0e319904e8a70d2a8abd09a081980a86037c3e9d2945
- SSDEEP 6144:NMI/jlS4kCwHL76nz9Q3uR5LTYYBIsHhl:NMQlS9Cwr79uLLTvBIYhl
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
darkcomet
Botnet
-
Guest16
C2
-
84.128.66.246:1604
Mutex
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DC_MUTEX-VQDFNGM
Attributes
-
InstallPath
MSDCSC\msdcsc.exe
-
gencode
YKec4W0NVa4f
-
install
true
-
offline_keylogger
true
-
persistence
true
-
reg_key
MicroUpdate
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe - Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process 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 Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.exe - Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe -
description 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
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.exe - Disables Task Manager via registry modification
- Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 4728 attrib.exe 1764 attrib.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe - Deletes itself 1 IoCs
pid Process 4464 notepad.exe - Executes dropped EXE 1 IoCs
pid Process 3336 msdcsc.exe -
resource yara_rule behavioral2/memory/1480-0-0x0000000000400000-0x00000000004C9000-memory.dmp upx behavioral2/files/0x0008000000023458-7.dat upx behavioral2/memory/1480-66-0x0000000000400000-0x00000000004C9000-memory.dmp upx behavioral2/memory/3336-63-0x0000000000400000-0x00000000004C9000-memory.dmp upx behavioral2/memory/3336-69-0x0000000000400000-0x00000000004C9000-memory.dmp upx behavioral2/memory/3336-71-0x0000000000400000-0x00000000004C9000-memory.dmp upx -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" msdcsc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process 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 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe - Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeSecurityPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeLoadDriverPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeSystemProfilePrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeSystemtimePrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeBackupPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeRestorePrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeShutdownPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeDebugPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeUndockPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeManageVolumePrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeImpersonatePrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: 33 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: 34 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: 35 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: 36 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 3336 msdcsc.exe Token: SeSecurityPrivilege 3336 msdcsc.exe Token: SeTakeOwnershipPrivilege 3336 msdcsc.exe Token: SeLoadDriverPrivilege 3336 msdcsc.exe Token: SeSystemProfilePrivilege 3336 msdcsc.exe Token: SeSystemtimePrivilege 3336 msdcsc.exe Token: SeProfSingleProcessPrivilege 3336 msdcsc.exe Token: SeIncBasePriorityPrivilege 3336 msdcsc.exe Token: SeCreatePagefilePrivilege 3336 msdcsc.exe Token: SeBackupPrivilege 3336 msdcsc.exe Token: SeRestorePrivilege 3336 msdcsc.exe Token: SeShutdownPrivilege 3336 msdcsc.exe Token: SeDebugPrivilege 3336 msdcsc.exe Token: SeSystemEnvironmentPrivilege 3336 msdcsc.exe Token: SeChangeNotifyPrivilege 3336 msdcsc.exe Token: SeRemoteShutdownPrivilege 3336 msdcsc.exe Token: SeUndockPrivilege 3336 msdcsc.exe Token: SeManageVolumePrivilege 3336 msdcsc.exe Token: SeImpersonatePrivilege 3336 msdcsc.exe Token: SeCreateGlobalPrivilege 3336 msdcsc.exe Token: 33 3336 msdcsc.exe Token: 34 3336 msdcsc.exe Token: 35 3336 msdcsc.exe Token: 36 3336 msdcsc.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3336 msdcsc.exe - Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 1480 wrote to memory of 1216 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 84 PID 1480 wrote to memory of 1216 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 84 PID 1480 wrote to memory of 1216 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 84 PID 1480 wrote to memory of 1600 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 86 PID 1480 wrote to memory of 1600 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 86 PID 1480 wrote to memory of 1600 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 86 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1480 wrote to memory of 4464 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 87 PID 1216 wrote to memory of 4728 1216 cmd.exe 89 PID 1216 wrote to memory of 4728 1216 cmd.exe 89 PID 1216 wrote to memory of 4728 1216 cmd.exe 89 PID 1600 wrote to memory of 1764 1600 cmd.exe 90 PID 1600 wrote to memory of 1764 1600 cmd.exe 90 PID 1600 wrote to memory of 1764 1600 cmd.exe 90 PID 1480 wrote to memory of 3336 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 91 PID 1480 wrote to memory of 3336 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 91 PID 1480 wrote to memory of 3336 1480 8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe 91 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 PID 3336 wrote to memory of 4428 3336 msdcsc.exe 94 - System policy modification 1 TTPs 3 IoCs
description 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
pid Process 4728 attrib.exe 1764 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8a3babb47d9bbcb82de6385a929eec89_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:1480 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\8a3babb47d9bbcb82de6385a929eec89_JaffaCakes118.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4728
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-
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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:1600 -
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:1764
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-
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C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:4464
-
-
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"C:\ProgramData\Microsoft\Windows\Start Menu\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 use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3336 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:4428
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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
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
- Size 284KB
- SHA256 9838e229ca80d7d2f1a9d67a83014127b3bed58cf3941be5ebb7313285e1992e
- MD5 8a3babb47d9bbcb82de6385a929eec89
- SHA1 8a0a85f0b6f179b05864a4e9b92f0454f30cd80d
- SHA512 4fede170279f4945566e73c52ddb0d4ea477386fca89731121f627b046d0d3798d7c52a11701a6a9dc3e0e319904e8a70d2a8abd09a081980a86037c3e9d2945
- SSDEEP 6144:NMI/jlS4kCwHL76nz9Q3uR5LTYYBIsHhl:NMQlS9Cwr79uLLTvBIYhl
- MD5 SHA1 SHA512 SSDEEP