darkcomet | 44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\MSDCSC\\msdcsc.exe"	LOUBNA.EXE

Modifies firewall policy service 3 TTPs 3 IoCs

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

description	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

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 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"	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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
evasion

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
3380	attrib.exe
1280	attrib.exe

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	LOUBNA.EXE

Executes dropped EXE 2 IoCs

pid	Process
2212	LOUBNA.EXE
3752	msdcsc.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"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\image = "C:\\MSDCSC\\msdcsc.exe"	LOUBNA.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 7 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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LOUBNA.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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3752	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2212	LOUBNA.EXE
Token: SeSecurityPrivilege	2212	LOUBNA.EXE
Token: SeTakeOwnershipPrivilege	2212	LOUBNA.EXE
Token: SeLoadDriverPrivilege	2212	LOUBNA.EXE
Token: SeSystemProfilePrivilege	2212	LOUBNA.EXE
Token: SeSystemtimePrivilege	2212	LOUBNA.EXE
Token: SeProfSingleProcessPrivilege	2212	LOUBNA.EXE
Token: SeIncBasePriorityPrivilege	2212	LOUBNA.EXE
Token: SeCreatePagefilePrivilege	2212	LOUBNA.EXE
Token: SeBackupPrivilege	2212	LOUBNA.EXE
Token: SeRestorePrivilege	2212	LOUBNA.EXE
Token: SeShutdownPrivilege	2212	LOUBNA.EXE
Token: SeDebugPrivilege	2212	LOUBNA.EXE
Token: SeSystemEnvironmentPrivilege	2212	LOUBNA.EXE
Token: SeChangeNotifyPrivilege	2212	LOUBNA.EXE
Token: SeRemoteShutdownPrivilege	2212	LOUBNA.EXE
Token: SeUndockPrivilege	2212	LOUBNA.EXE
Token: SeManageVolumePrivilege	2212	LOUBNA.EXE
Token: SeImpersonatePrivilege	2212	LOUBNA.EXE
Token: SeCreateGlobalPrivilege	2212	LOUBNA.EXE
Token: 33	2212	LOUBNA.EXE
Token: 34	2212	LOUBNA.EXE
Token: 35	2212	LOUBNA.EXE
Token: 36	2212	LOUBNA.EXE
Token: SeIncreaseQuotaPrivilege	3752	msdcsc.exe
Token: SeSecurityPrivilege	3752	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3752	msdcsc.exe
Token: SeLoadDriverPrivilege	3752	msdcsc.exe
Token: SeSystemProfilePrivilege	3752	msdcsc.exe
Token: SeSystemtimePrivilege	3752	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3752	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3752	msdcsc.exe
Token: SeCreatePagefilePrivilege	3752	msdcsc.exe
Token: SeBackupPrivilege	3752	msdcsc.exe
Token: SeRestorePrivilege	3752	msdcsc.exe
Token: SeShutdownPrivilege	3752	msdcsc.exe
Token: SeDebugPrivilege	3752	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3752	msdcsc.exe
Token: SeChangeNotifyPrivilege	3752	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3752	msdcsc.exe
Token: SeUndockPrivilege	3752	msdcsc.exe
Token: SeManageVolumePrivilege	3752	msdcsc.exe
Token: SeImpersonatePrivilege	3752	msdcsc.exe
Token: SeCreateGlobalPrivilege	3752	msdcsc.exe
Token: 33	3752	msdcsc.exe
Token: 34	3752	msdcsc.exe
Token: 35	3752	msdcsc.exe
Token: 36	3752	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3752	msdcsc.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 2212	4604	44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe	83
PID 4604 wrote to memory of 2212	4604	44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe	83
PID 4604 wrote to memory of 2212	4604	44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe	83
PID 2212 wrote to memory of 1352	2212	LOUBNA.EXE	84
PID 2212 wrote to memory of 1352	2212	LOUBNA.EXE	84
PID 2212 wrote to memory of 1352	2212	LOUBNA.EXE	84
PID 2212 wrote to memory of 3112	2212	LOUBNA.EXE	85
PID 2212 wrote to memory of 3112	2212	LOUBNA.EXE	85
PID 2212 wrote to memory of 3112	2212	LOUBNA.EXE	85
PID 1352 wrote to memory of 3380	1352	cmd.exe	88
PID 1352 wrote to memory of 3380	1352	cmd.exe	88
PID 1352 wrote to memory of 3380	1352	cmd.exe	88
PID 3112 wrote to memory of 1280	3112	cmd.exe	89
PID 3112 wrote to memory of 1280	3112	cmd.exe	89
PID 3112 wrote to memory of 1280	3112	cmd.exe	89
PID 2212 wrote to memory of 3752	2212	LOUBNA.EXE	90
PID 2212 wrote to memory of 3752	2212	LOUBNA.EXE	90
PID 2212 wrote to memory of 3752	2212	LOUBNA.EXE	90

System policy modification 1 TTPs 3 IoCs

Modify Registry

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

Hidden Files and Directories

T1564.001

pid	Process
3380	attrib.exe
1280	attrib.exe

C:\Users\Admin\AppData\Local\Temp\44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe
"C:\Users\Admin\AppData\Local\Temp\44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Users\Admin\AppData\Local\LOUBNA.EXE
  "C:\Users\Admin\AppData\Local\LOUBNA.EXE"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2212
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\LOUBNA.EXE" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1352
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\LOUBNA.EXE" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:3380
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3112
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:1280
- - C:\MSDCSC\msdcsc.exe
    "C:\MSDCSC\msdcsc.exe"
    3⤵
    - Modifies firewall policy service
    - Modifies security service
    - Windows security bypass
    - Disables RegEdit via registry modification
    - Executes dropped EXE
    - Windows security modification
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - System policy modification
    PID:3752

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