darkcomet | 435a9a1aab4037d70d35a984fd74e776067fb16d8c9716a476e2e3c8409cf0c9

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	MCCheat.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 1 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

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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
2732	attrib.exe
2676	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2588	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2080	MCCheat.exe
2080	MCCheat.exe

Windows security modification 2 TTPs 1 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

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	MCCheat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\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 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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MCCheat.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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2588	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2080	MCCheat.exe
Token: SeSecurityPrivilege	2080	MCCheat.exe
Token: SeTakeOwnershipPrivilege	2080	MCCheat.exe
Token: SeLoadDriverPrivilege	2080	MCCheat.exe
Token: SeSystemProfilePrivilege	2080	MCCheat.exe
Token: SeSystemtimePrivilege	2080	MCCheat.exe
Token: SeProfSingleProcessPrivilege	2080	MCCheat.exe
Token: SeIncBasePriorityPrivilege	2080	MCCheat.exe
Token: SeCreatePagefilePrivilege	2080	MCCheat.exe
Token: SeBackupPrivilege	2080	MCCheat.exe
Token: SeRestorePrivilege	2080	MCCheat.exe
Token: SeShutdownPrivilege	2080	MCCheat.exe
Token: SeDebugPrivilege	2080	MCCheat.exe
Token: SeSystemEnvironmentPrivilege	2080	MCCheat.exe
Token: SeChangeNotifyPrivilege	2080	MCCheat.exe
Token: SeRemoteShutdownPrivilege	2080	MCCheat.exe
Token: SeUndockPrivilege	2080	MCCheat.exe
Token: SeManageVolumePrivilege	2080	MCCheat.exe
Token: SeImpersonatePrivilege	2080	MCCheat.exe
Token: SeCreateGlobalPrivilege	2080	MCCheat.exe
Token: 33	2080	MCCheat.exe
Token: 34	2080	MCCheat.exe
Token: 35	2080	MCCheat.exe
Token: SeIncreaseQuotaPrivilege	2588	msdcsc.exe
Token: SeSecurityPrivilege	2588	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2588	msdcsc.exe
Token: SeLoadDriverPrivilege	2588	msdcsc.exe
Token: SeSystemProfilePrivilege	2588	msdcsc.exe
Token: SeSystemtimePrivilege	2588	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2588	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2588	msdcsc.exe
Token: SeCreatePagefilePrivilege	2588	msdcsc.exe
Token: SeBackupPrivilege	2588	msdcsc.exe
Token: SeRestorePrivilege	2588	msdcsc.exe
Token: SeShutdownPrivilege	2588	msdcsc.exe
Token: SeDebugPrivilege	2588	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2588	msdcsc.exe
Token: SeChangeNotifyPrivilege	2588	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2588	msdcsc.exe
Token: SeUndockPrivilege	2588	msdcsc.exe
Token: SeManageVolumePrivilege	2588	msdcsc.exe
Token: SeImpersonatePrivilege	2588	msdcsc.exe
Token: SeCreateGlobalPrivilege	2588	msdcsc.exe
Token: 33	2588	msdcsc.exe
Token: 34	2588	msdcsc.exe
Token: 35	2588	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2588	msdcsc.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 1452	2080	MCCheat.exe	28
PID 2080 wrote to memory of 1452	2080	MCCheat.exe	28
PID 2080 wrote to memory of 1452	2080	MCCheat.exe	28
PID 2080 wrote to memory of 1452	2080	MCCheat.exe	28
PID 2080 wrote to memory of 2684	2080	MCCheat.exe	30
PID 2080 wrote to memory of 2684	2080	MCCheat.exe	30
PID 2080 wrote to memory of 2684	2080	MCCheat.exe	30
PID 2080 wrote to memory of 2684	2080	MCCheat.exe	30
PID 1452 wrote to memory of 2676	1452	cmd.exe	33
PID 1452 wrote to memory of 2676	1452	cmd.exe	33
PID 1452 wrote to memory of 2676	1452	cmd.exe	33
PID 1452 wrote to memory of 2676	1452	cmd.exe	33
PID 2684 wrote to memory of 2732	2684	cmd.exe	32
PID 2684 wrote to memory of 2732	2684	cmd.exe	32
PID 2684 wrote to memory of 2732	2684	cmd.exe	32
PID 2684 wrote to memory of 2732	2684	cmd.exe	32
PID 2080 wrote to memory of 2588	2080	MCCheat.exe	34
PID 2080 wrote to memory of 2588	2080	MCCheat.exe	34
PID 2080 wrote to memory of 2588	2080	MCCheat.exe	34
PID 2080 wrote to memory of 2588	2080	MCCheat.exe	34
PID 2588 wrote to memory of 2424	2588	msdcsc.exe	35
PID 2588 wrote to memory of 2424	2588	msdcsc.exe	35
PID 2588 wrote to memory of 2424	2588	msdcsc.exe	35
PID 2588 wrote to memory of 2424	2588	msdcsc.exe	35
PID 2588 wrote to memory of 2664	2588	msdcsc.exe	36
PID 2588 wrote to memory of 2664	2588	msdcsc.exe	36
PID 2588 wrote to memory of 2664	2588	msdcsc.exe	36
PID 2588 wrote to memory of 2664	2588	msdcsc.exe	36
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2484	2588	msdcsc.exe	37

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

pid	Process
2732	attrib.exe
2676	attrib.exe

C:\Users\Admin\AppData\Local\Temp\MCCheat.exe
"C:\Users\Admin\AppData\Local\Temp\MCCheat.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\MCCheat.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1452
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\MCCheat.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2676
- 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:2684
- - 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:2732
- C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Local\Temp\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
  PID:2588
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2424
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2664
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2484

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