darkcomet | 6790f1cb32c12fce01a94d45269bac046eb7ef2ac0d46db6c8ac621b2c8da8be

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"	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe

Modifies firewall policy service 3 TTPs 3 IoCs

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

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

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	msdcsc.exe

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

Hidden Files and Directories

T1564.001

pid	Process
4928	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1332	msdcsc.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GoogleUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
112	PING.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1332	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeSecurityPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeBackupPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeRestorePrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeShutdownPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeDebugPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeUndockPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: 33	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: 34	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: 35	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: 36	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1332	msdcsc.exe
Token: SeSecurityPrivilege	1332	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1332	msdcsc.exe
Token: SeLoadDriverPrivilege	1332	msdcsc.exe
Token: SeSystemProfilePrivilege	1332	msdcsc.exe
Token: SeSystemtimePrivilege	1332	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1332	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1332	msdcsc.exe
Token: SeCreatePagefilePrivilege	1332	msdcsc.exe
Token: SeBackupPrivilege	1332	msdcsc.exe
Token: SeRestorePrivilege	1332	msdcsc.exe
Token: SeShutdownPrivilege	1332	msdcsc.exe
Token: SeDebugPrivilege	1332	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1332	msdcsc.exe
Token: SeChangeNotifyPrivilege	1332	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1332	msdcsc.exe
Token: SeUndockPrivilege	1332	msdcsc.exe
Token: SeManageVolumePrivilege	1332	msdcsc.exe
Token: SeImpersonatePrivilege	1332	msdcsc.exe
Token: SeCreateGlobalPrivilege	1332	msdcsc.exe
Token: 33	1332	msdcsc.exe
Token: 34	1332	msdcsc.exe
Token: 35	1332	msdcsc.exe
Token: 36	1332	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1332	msdcsc.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 1688	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe	84
PID 3460 wrote to memory of 1688	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe	84
PID 3460 wrote to memory of 1688	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe	84
PID 3460 wrote to memory of 1904	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe	86
PID 3460 wrote to memory of 1904	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe	86
PID 3460 wrote to memory of 1904	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe	86
PID 1688 wrote to memory of 4928	1688	cmd.exe	88
PID 1688 wrote to memory of 4928	1688	cmd.exe	88
PID 1688 wrote to memory of 4928	1688	cmd.exe	88
PID 1904 wrote to memory of 112	1904	cmd.exe	90
PID 1904 wrote to memory of 112	1904	cmd.exe	90
PID 1904 wrote to memory of 112	1904	cmd.exe	90
PID 3460 wrote to memory of 1332	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe	92
PID 3460 wrote to memory of 1332	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe	92
PID 3460 wrote to memory of 1332	3460	515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe	92

Views/modifies file attributes 1 TTPs 1 IoCs

Hidden Files and Directories

T1564.001

pid	Process
4928	attrib.exe

C:\Users\Admin\AppData\Local\Temp\515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:4928
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 4 && del "C:\Users\Admin\AppData\Local\Temp\515d7e5573aec82421a96b9844aaf833_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1904
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 4
    3⤵
    - Runs ping.exe
    PID:112
- 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
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry