darkcomet | 1164de18c44320bc1d92310c7002185d2a06f45bba23500dd0ad88767cee9352

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\\Programs\\MSDCSC\\msdcsc.exe"	nigger.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 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-1-5-21-3227495264-2217614367-4027411560-1000\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
4804	attrib.exe
3368	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	nigger.exe

Deletes itself 1 IoCs

pid	Process
4820	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
3456	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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\realtekaudio = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	nigger.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\realtekaudio = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	msdcsc.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 8 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	cmd.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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nigger.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Modifies registry class 1 IoCs

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3456	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3980	nigger.exe
Token: SeSecurityPrivilege	3980	nigger.exe
Token: SeTakeOwnershipPrivilege	3980	nigger.exe
Token: SeLoadDriverPrivilege	3980	nigger.exe
Token: SeSystemProfilePrivilege	3980	nigger.exe
Token: SeSystemtimePrivilege	3980	nigger.exe
Token: SeProfSingleProcessPrivilege	3980	nigger.exe
Token: SeIncBasePriorityPrivilege	3980	nigger.exe
Token: SeCreatePagefilePrivilege	3980	nigger.exe
Token: SeBackupPrivilege	3980	nigger.exe
Token: SeRestorePrivilege	3980	nigger.exe
Token: SeShutdownPrivilege	3980	nigger.exe
Token: SeDebugPrivilege	3980	nigger.exe
Token: SeSystemEnvironmentPrivilege	3980	nigger.exe
Token: SeChangeNotifyPrivilege	3980	nigger.exe
Token: SeRemoteShutdownPrivilege	3980	nigger.exe
Token: SeUndockPrivilege	3980	nigger.exe
Token: SeManageVolumePrivilege	3980	nigger.exe
Token: SeImpersonatePrivilege	3980	nigger.exe
Token: SeCreateGlobalPrivilege	3980	nigger.exe
Token: 33	3980	nigger.exe
Token: 34	3980	nigger.exe
Token: 35	3980	nigger.exe
Token: 36	3980	nigger.exe
Token: SeIncreaseQuotaPrivilege	3456	msdcsc.exe
Token: SeSecurityPrivilege	3456	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3456	msdcsc.exe
Token: SeLoadDriverPrivilege	3456	msdcsc.exe
Token: SeSystemProfilePrivilege	3456	msdcsc.exe
Token: SeSystemtimePrivilege	3456	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3456	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3456	msdcsc.exe
Token: SeCreatePagefilePrivilege	3456	msdcsc.exe
Token: SeBackupPrivilege	3456	msdcsc.exe
Token: SeRestorePrivilege	3456	msdcsc.exe
Token: SeShutdownPrivilege	3456	msdcsc.exe
Token: SeDebugPrivilege	3456	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3456	msdcsc.exe
Token: SeChangeNotifyPrivilege	3456	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3456	msdcsc.exe
Token: SeUndockPrivilege	3456	msdcsc.exe
Token: SeManageVolumePrivilege	3456	msdcsc.exe
Token: SeImpersonatePrivilege	3456	msdcsc.exe
Token: SeCreateGlobalPrivilege	3456	msdcsc.exe
Token: 33	3456	msdcsc.exe
Token: 34	3456	msdcsc.exe
Token: 35	3456	msdcsc.exe
Token: 36	3456	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3456	msdcsc.exe

Suspicious use of WriteProcessMemory 59 IoCs

description	pid	Process	procid_target
PID 3980 wrote to memory of 3648	3980	nigger.exe	82
PID 3980 wrote to memory of 3648	3980	nigger.exe	82
PID 3980 wrote to memory of 3648	3980	nigger.exe	82
PID 3980 wrote to memory of 4496	3980	nigger.exe	83
PID 3980 wrote to memory of 4496	3980	nigger.exe	83
PID 3980 wrote to memory of 4496	3980	nigger.exe	83
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3980 wrote to memory of 4820	3980	nigger.exe	85
PID 3648 wrote to memory of 4804	3648	cmd.exe	87
PID 3648 wrote to memory of 4804	3648	cmd.exe	87
PID 3648 wrote to memory of 4804	3648	cmd.exe	87
PID 4496 wrote to memory of 3368	4496	cmd.exe	88
PID 4496 wrote to memory of 3368	4496	cmd.exe	88
PID 4496 wrote to memory of 3368	4496	cmd.exe	88
PID 3980 wrote to memory of 3456	3980	nigger.exe	89
PID 3980 wrote to memory of 3456	3980	nigger.exe	89
PID 3980 wrote to memory of 3456	3980	nigger.exe	89
PID 3456 wrote to memory of 1404	3456	msdcsc.exe	90
PID 3456 wrote to memory of 1404	3456	msdcsc.exe	90
PID 3456 wrote to memory of 1404	3456	msdcsc.exe	90
PID 3456 wrote to memory of 4656	3456	msdcsc.exe	91
PID 3456 wrote to memory of 4656	3456	msdcsc.exe	91
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92
PID 3456 wrote to memory of 2860	3456	msdcsc.exe	92

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
4804	attrib.exe
3368	attrib.exe

C:\Users\Admin\AppData\Local\Temp\nigger.exe
"C:\Users\Admin\AppData\Local\Temp\nigger.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:3980
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\nigger.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3648
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\nigger.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4804
- 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:4496
- - 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:3368
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4820
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.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:3456
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:1404
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:4656
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2860

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