darkcomet | e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.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-1-5-21-2045521122-590294423-3465680274-1000\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
1576	attrib.exe
1052	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe

Deletes itself 1 IoCs

pid	Process
4040	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
File created	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.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	notepad.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
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	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2756	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeSecurityPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeTakeOwnershipPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeLoadDriverPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeSystemProfilePrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeSystemtimePrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeProfSingleProcessPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeIncBasePriorityPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeCreatePagefilePrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeBackupPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeRestorePrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeShutdownPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeDebugPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeSystemEnvironmentPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeChangeNotifyPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeRemoteShutdownPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeUndockPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeManageVolumePrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeImpersonatePrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeCreateGlobalPrivilege	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: 33	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: 34	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: 35	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: 36	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Token: SeIncreaseQuotaPrivilege	2756	msdcsc.exe
Token: SeSecurityPrivilege	2756	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2756	msdcsc.exe
Token: SeLoadDriverPrivilege	2756	msdcsc.exe
Token: SeSystemProfilePrivilege	2756	msdcsc.exe
Token: SeSystemtimePrivilege	2756	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2756	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2756	msdcsc.exe
Token: SeCreatePagefilePrivilege	2756	msdcsc.exe
Token: SeBackupPrivilege	2756	msdcsc.exe
Token: SeRestorePrivilege	2756	msdcsc.exe
Token: SeShutdownPrivilege	2756	msdcsc.exe
Token: SeDebugPrivilege	2756	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2756	msdcsc.exe
Token: SeChangeNotifyPrivilege	2756	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2756	msdcsc.exe
Token: SeUndockPrivilege	2756	msdcsc.exe
Token: SeManageVolumePrivilege	2756	msdcsc.exe
Token: SeImpersonatePrivilege	2756	msdcsc.exe
Token: SeCreateGlobalPrivilege	2756	msdcsc.exe
Token: 33	2756	msdcsc.exe
Token: 34	2756	msdcsc.exe
Token: 35	2756	msdcsc.exe
Token: 36	2756	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2756	msdcsc.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 2872	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	83
PID 1372 wrote to memory of 2872	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	83
PID 1372 wrote to memory of 2872	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	83
PID 1372 wrote to memory of 4036	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	84
PID 1372 wrote to memory of 4036	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	84
PID 1372 wrote to memory of 4036	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	84
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 1372 wrote to memory of 4040	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	86
PID 4036 wrote to memory of 1576	4036	cmd.exe	88
PID 4036 wrote to memory of 1576	4036	cmd.exe	88
PID 4036 wrote to memory of 1576	4036	cmd.exe	88
PID 2872 wrote to memory of 1052	2872	cmd.exe	89
PID 2872 wrote to memory of 1052	2872	cmd.exe	89
PID 2872 wrote to memory of 1052	2872	cmd.exe	89
PID 1372 wrote to memory of 2756	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	90
PID 1372 wrote to memory of 2756	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	90
PID 1372 wrote to memory of 2756	1372	e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe	90
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91
PID 2756 wrote to memory of 2476	2756	msdcsc.exe	91

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
1576	attrib.exe
1052	attrib.exe

C:\Users\Admin\AppData\Local\Temp\e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
"C:\Users\Admin\AppData\Local\Temp\e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:1052
- 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:4036
- - 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:1576
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4040
- C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
  "C:\Windows\system32\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:2756
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2476

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