darkcomet | 8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ff

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\SYSTEM32\\SystemFile.exe"	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.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	SystemFile.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	SystemFile.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	SystemFile.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"	SystemFile.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"	SystemFile.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	SystemFile.exe

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	SystemFile.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
1848	attrib.exe
2260	attrib.exe

Deletes itself 1 IoCs

pid	Process
2724	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	SystemFile.exe

Loads dropped DLL 2 IoCs

pid	Process
2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.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"	SystemFile.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	SystemFile.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemFile = "C:\\Windows\\system32\\SYSTEM32\\SystemFile.exe"	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemFile = "C:\\Windows\\system32\\SYSTEM32\\SystemFile.exe"	SystemFile.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
2	2.tcp.eu.ngrok.io
46	2.tcp.eu.ngrok.io

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\SYSTEM32\SystemFile.exe	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
File opened for modification	C:\Windows\SysWOW64\SYSTEM32\SystemFile.exe	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
File opened for modification	C:\Windows\SysWOW64\SYSTEM32\	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.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 9 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	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SystemFile.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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2808	SystemFile.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeSecurityPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeTakeOwnershipPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeLoadDriverPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeSystemProfilePrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeSystemtimePrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeProfSingleProcessPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeIncBasePriorityPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeCreatePagefilePrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeBackupPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeRestorePrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeShutdownPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeDebugPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeSystemEnvironmentPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeChangeNotifyPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeRemoteShutdownPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeUndockPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeManageVolumePrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeImpersonatePrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeCreateGlobalPrivilege	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: 33	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: 34	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: 35	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
Token: SeIncreaseQuotaPrivilege	2808	SystemFile.exe
Token: SeSecurityPrivilege	2808	SystemFile.exe
Token: SeTakeOwnershipPrivilege	2808	SystemFile.exe
Token: SeLoadDriverPrivilege	2808	SystemFile.exe
Token: SeSystemProfilePrivilege	2808	SystemFile.exe
Token: SeSystemtimePrivilege	2808	SystemFile.exe
Token: SeProfSingleProcessPrivilege	2808	SystemFile.exe
Token: SeIncBasePriorityPrivilege	2808	SystemFile.exe
Token: SeCreatePagefilePrivilege	2808	SystemFile.exe
Token: SeBackupPrivilege	2808	SystemFile.exe
Token: SeRestorePrivilege	2808	SystemFile.exe
Token: SeShutdownPrivilege	2808	SystemFile.exe
Token: SeDebugPrivilege	2808	SystemFile.exe
Token: SeSystemEnvironmentPrivilege	2808	SystemFile.exe
Token: SeChangeNotifyPrivilege	2808	SystemFile.exe
Token: SeRemoteShutdownPrivilege	2808	SystemFile.exe
Token: SeUndockPrivilege	2808	SystemFile.exe
Token: SeManageVolumePrivilege	2808	SystemFile.exe
Token: SeImpersonatePrivilege	2808	SystemFile.exe
Token: SeCreateGlobalPrivilege	2808	SystemFile.exe
Token: 33	2808	SystemFile.exe
Token: 34	2808	SystemFile.exe
Token: 35	2808	SystemFile.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2400	DllHost.exe
2400	DllHost.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2808	SystemFile.exe
2400	DllHost.exe
2400	DllHost.exe
2400	DllHost.exe
2400	DllHost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2452	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	30
PID 2156 wrote to memory of 2452	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	30
PID 2156 wrote to memory of 2452	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	30
PID 2156 wrote to memory of 2452	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	30
PID 2156 wrote to memory of 2388	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	32
PID 2156 wrote to memory of 2388	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	32
PID 2156 wrote to memory of 2388	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	32
PID 2156 wrote to memory of 2388	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	32
PID 2388 wrote to memory of 1848	2388	cmd.exe	34
PID 2388 wrote to memory of 1848	2388	cmd.exe	34
PID 2388 wrote to memory of 1848	2388	cmd.exe	34
PID 2388 wrote to memory of 1848	2388	cmd.exe	34
PID 2452 wrote to memory of 2260	2452	cmd.exe	35
PID 2452 wrote to memory of 2260	2452	cmd.exe	35
PID 2452 wrote to memory of 2260	2452	cmd.exe	35
PID 2452 wrote to memory of 2260	2452	cmd.exe	35
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2724	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	37
PID 2156 wrote to memory of 2808	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	38
PID 2156 wrote to memory of 2808	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	38
PID 2156 wrote to memory of 2808	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	38
PID 2156 wrote to memory of 2808	2156	8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe	38
PID 2808 wrote to memory of 2420	2808	SystemFile.exe	39
PID 2808 wrote to memory of 2420	2808	SystemFile.exe	39
PID 2808 wrote to memory of 2420	2808	SystemFile.exe	39
PID 2808 wrote to memory of 2420	2808	SystemFile.exe	39
PID 2808 wrote to memory of 896	2808	SystemFile.exe	40
PID 2808 wrote to memory of 896	2808	SystemFile.exe	40
PID 2808 wrote to memory of 896	2808	SystemFile.exe	40
PID 2808 wrote to memory of 896	2808	SystemFile.exe	40
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41
PID 2808 wrote to memory of 1356	2808	SystemFile.exe	41

System policy modification 1 TTPs 3 IoCs

Modify Registry

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

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

pid	Process
1848	attrib.exe
2260	attrib.exe

C:\Users\Admin\AppData\Local\Temp\8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe
"C:\Users\Admin\AppData\Local\Temp\8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2452
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\8606debb563ac66cda022f4163339ecbcba4ef845d470cda68149fa2a88a05ffN.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2260
- 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:2388
- - 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:1848
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\SYSTEM32\SystemFile.exe
  "C:\Windows\system32\SYSTEM32\SystemFile.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 behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2808
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2420
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:896
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1356

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2400

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