darkcomet | d97683cdad0e427bea3e835be08c61924915dbac045ea3ad4fbd9c29f80b8112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\Updata.exe"	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.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	Updata.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	Updata.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	Updata.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"	Updata.exe

Windows security bypass 2 TTPs 2 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"	Updata.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	Updata.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

Hidden Files and Directories

T1564.001

pid	Process
2380	attrib.exe
1464	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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe

Executes dropped EXE 1 IoCs

pid	Process
3220	Updata.exe

Windows security modification 2 TTPs 2 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"	Updata.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	Updata.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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Update = "C:\\Users\\Admin\\Documents\\MSDCSC\\Updata.exe"	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Updata.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeSecurityPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeTakeOwnershipPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeLoadDriverPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeSystemProfilePrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeSystemtimePrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeProfSingleProcessPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeIncBasePriorityPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeCreatePagefilePrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeBackupPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeRestorePrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeShutdownPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeDebugPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeSystemEnvironmentPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeChangeNotifyPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeRemoteShutdownPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeUndockPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeManageVolumePrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeImpersonatePrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeCreateGlobalPrivilege	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: 33	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: 34	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: 35	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: 36	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
Token: SeIncreaseQuotaPrivilege	3220	Updata.exe
Token: SeSecurityPrivilege	3220	Updata.exe
Token: SeTakeOwnershipPrivilege	3220	Updata.exe
Token: SeLoadDriverPrivilege	3220	Updata.exe
Token: SeSystemProfilePrivilege	3220	Updata.exe
Token: SeSystemtimePrivilege	3220	Updata.exe
Token: SeProfSingleProcessPrivilege	3220	Updata.exe
Token: SeIncBasePriorityPrivilege	3220	Updata.exe
Token: SeCreatePagefilePrivilege	3220	Updata.exe
Token: SeBackupPrivilege	3220	Updata.exe
Token: SeRestorePrivilege	3220	Updata.exe
Token: SeShutdownPrivilege	3220	Updata.exe
Token: SeDebugPrivilege	3220	Updata.exe
Token: SeSystemEnvironmentPrivilege	3220	Updata.exe
Token: SeChangeNotifyPrivilege	3220	Updata.exe
Token: SeRemoteShutdownPrivilege	3220	Updata.exe
Token: SeUndockPrivilege	3220	Updata.exe
Token: SeManageVolumePrivilege	3220	Updata.exe
Token: SeImpersonatePrivilege	3220	Updata.exe
Token: SeCreateGlobalPrivilege	3220	Updata.exe
Token: 33	3220	Updata.exe
Token: 34	3220	Updata.exe
Token: 35	3220	Updata.exe
Token: 36	3220	Updata.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3220	Updata.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 3672	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe	84
PID 3704 wrote to memory of 3672	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe	84
PID 3704 wrote to memory of 3672	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe	84
PID 3704 wrote to memory of 2064	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe	86
PID 3704 wrote to memory of 2064	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe	86
PID 3704 wrote to memory of 2064	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe	86
PID 3672 wrote to memory of 2380	3672	cmd.exe	88
PID 3672 wrote to memory of 2380	3672	cmd.exe	88
PID 3672 wrote to memory of 2380	3672	cmd.exe	88
PID 2064 wrote to memory of 1464	2064	cmd.exe	89
PID 2064 wrote to memory of 1464	2064	cmd.exe	89
PID 2064 wrote to memory of 1464	2064	cmd.exe	89
PID 3704 wrote to memory of 3220	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe	90
PID 3704 wrote to memory of 3220	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe	90
PID 3704 wrote to memory of 3220	3704	JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe	90

System policy modification 1 TTPs 3 IoCs

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	Updata.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	Updata.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	Updata.exe

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

pid	Process
2380	attrib.exe
1464	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6362d63c9c4c72682c59aa47678de600.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:3704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3672
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6362d63c9c4c72682c59aa47678de600.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:1464
- C:\Users\Admin\Documents\MSDCSC\Updata.exe
  "C:\Users\Admin\Documents\MSDCSC\Updata.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:3220

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