darkcomet | 41a682da16b22581581ef2353fe9e900be9162609dc89c956addd256b4f9d546

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\Java.exe"	TROJAN.EXE

Modifies firewall policy service 2 TTPs 3 IoCs

Modify Registry

Windows Service

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	Java.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	Java.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	Java.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"	Java.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"	Java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	Java.exe

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	Java.exe

Disables Task Manager via registry modification
evasion

Checks computer location settings 2 TTPs 2 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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	11fb758dd3cdc09650445e5527b88e66.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	TROJAN.EXE

Executes dropped EXE 3 IoCs

pid	Process
3684	IDOSER V4.EXE
2512	TROJAN.EXE
4856	Java.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"	Java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	Java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Java = "C:\\Users\\Admin\\AppData\\Roaming\\Java.exe"	Java.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Java = "C:\\Users\\Admin\\AppData\\Roaming\\Java.exe"	TROJAN.EXE

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2512	TROJAN.EXE
Token: SeSecurityPrivilege	2512	TROJAN.EXE
Token: SeTakeOwnershipPrivilege	2512	TROJAN.EXE
Token: SeLoadDriverPrivilege	2512	TROJAN.EXE
Token: SeSystemProfilePrivilege	2512	TROJAN.EXE
Token: SeSystemtimePrivilege	2512	TROJAN.EXE
Token: SeProfSingleProcessPrivilege	2512	TROJAN.EXE
Token: SeIncBasePriorityPrivilege	2512	TROJAN.EXE
Token: SeCreatePagefilePrivilege	2512	TROJAN.EXE
Token: SeBackupPrivilege	2512	TROJAN.EXE
Token: SeRestorePrivilege	2512	TROJAN.EXE
Token: SeShutdownPrivilege	2512	TROJAN.EXE
Token: SeDebugPrivilege	2512	TROJAN.EXE
Token: SeSystemEnvironmentPrivilege	2512	TROJAN.EXE
Token: SeChangeNotifyPrivilege	2512	TROJAN.EXE
Token: SeRemoteShutdownPrivilege	2512	TROJAN.EXE
Token: SeUndockPrivilege	2512	TROJAN.EXE
Token: SeManageVolumePrivilege	2512	TROJAN.EXE
Token: SeImpersonatePrivilege	2512	TROJAN.EXE
Token: SeCreateGlobalPrivilege	2512	TROJAN.EXE
Token: 33	2512	TROJAN.EXE
Token: 34	2512	TROJAN.EXE
Token: 35	2512	TROJAN.EXE
Token: 36	2512	TROJAN.EXE
Token: SeIncreaseQuotaPrivilege	4856	Java.exe
Token: SeSecurityPrivilege	4856	Java.exe
Token: SeTakeOwnershipPrivilege	4856	Java.exe
Token: SeLoadDriverPrivilege	4856	Java.exe
Token: SeSystemProfilePrivilege	4856	Java.exe
Token: SeSystemtimePrivilege	4856	Java.exe
Token: SeProfSingleProcessPrivilege	4856	Java.exe
Token: SeIncBasePriorityPrivilege	4856	Java.exe
Token: SeCreatePagefilePrivilege	4856	Java.exe
Token: SeBackupPrivilege	4856	Java.exe
Token: SeRestorePrivilege	4856	Java.exe
Token: SeShutdownPrivilege	4856	Java.exe
Token: SeDebugPrivilege	4856	Java.exe
Token: SeSystemEnvironmentPrivilege	4856	Java.exe
Token: SeChangeNotifyPrivilege	4856	Java.exe
Token: SeRemoteShutdownPrivilege	4856	Java.exe
Token: SeUndockPrivilege	4856	Java.exe
Token: SeManageVolumePrivilege	4856	Java.exe
Token: SeImpersonatePrivilege	4856	Java.exe
Token: SeCreateGlobalPrivilege	4856	Java.exe
Token: 33	4856	Java.exe
Token: 34	4856	Java.exe
Token: 35	4856	Java.exe
Token: 36	4856	Java.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4856	Java.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 3684	4744	11fb758dd3cdc09650445e5527b88e66.exe	94
PID 4744 wrote to memory of 3684	4744	11fb758dd3cdc09650445e5527b88e66.exe	94
PID 4744 wrote to memory of 2512	4744	11fb758dd3cdc09650445e5527b88e66.exe	95
PID 4744 wrote to memory of 2512	4744	11fb758dd3cdc09650445e5527b88e66.exe	95
PID 4744 wrote to memory of 2512	4744	11fb758dd3cdc09650445e5527b88e66.exe	95
PID 2512 wrote to memory of 4856	2512	TROJAN.EXE	96
PID 2512 wrote to memory of 4856	2512	TROJAN.EXE	96
PID 2512 wrote to memory of 4856	2512	TROJAN.EXE	96

System policy modification 1 TTPs 3 IoCs

Modify Registry

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

C:\Users\Admin\AppData\Local\Temp\11fb758dd3cdc09650445e5527b88e66.exe
"C:\Users\Admin\AppData\Local\Temp\11fb758dd3cdc09650445e5527b88e66.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Users\Admin\AppData\Local\Temp\IDOSER V4.EXE
  "C:\Users\Admin\AppData\Local\Temp\IDOSER V4.EXE"
  2⤵
  - Executes dropped EXE
  PID:3684
- C:\Users\Admin\AppData\Local\Temp\TROJAN.EXE
  "C:\Users\Admin\AppData\Local\Temp\TROJAN.EXE"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2512
- - C:\Users\Admin\AppData\Roaming\Java.exe
    "C:\Users\Admin\AppData\Roaming\Java.exe"
    3⤵
    - 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
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - System policy modification
    PID:4856

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

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry