darkcomet | c2cb7de1fa79e90bae1bf2cb1ecc9ada1fb4c88a8092dbcac5332e82837a5172

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.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

defense_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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
31	444	Process not Found

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
2928	attrib.exe
4012	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-1-5-21-705198581-2062733989-3666524522-1000\Control Panel\International\Geo\Nation	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe

Executes dropped EXE 1 IoCs

pid	Process
2996	msdcsc.exe

Windows security modification 2 TTPs 1 IoCs

defense_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-1-5-21-705198581-2062733989-3666524522-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-705198581-2062733989-3666524522-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4160	MicrosoftEdgeUpdate.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2996	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeSecurityPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeTakeOwnershipPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeLoadDriverPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeSystemProfilePrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeSystemtimePrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeProfSingleProcessPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeIncBasePriorityPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeCreatePagefilePrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeBackupPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeRestorePrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeShutdownPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeDebugPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeSystemEnvironmentPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeChangeNotifyPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeRemoteShutdownPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeUndockPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeManageVolumePrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeImpersonatePrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeCreateGlobalPrivilege	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: 33	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: 34	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: 35	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: 36	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
Token: SeIncreaseQuotaPrivilege	2996	msdcsc.exe
Token: SeSecurityPrivilege	2996	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2996	msdcsc.exe
Token: SeLoadDriverPrivilege	2996	msdcsc.exe
Token: SeSystemProfilePrivilege	2996	msdcsc.exe
Token: SeSystemtimePrivilege	2996	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2996	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2996	msdcsc.exe
Token: SeCreatePagefilePrivilege	2996	msdcsc.exe
Token: SeBackupPrivilege	2996	msdcsc.exe
Token: SeRestorePrivilege	2996	msdcsc.exe
Token: SeShutdownPrivilege	2996	msdcsc.exe
Token: SeDebugPrivilege	2996	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2996	msdcsc.exe
Token: SeChangeNotifyPrivilege	2996	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2996	msdcsc.exe
Token: SeUndockPrivilege	2996	msdcsc.exe
Token: SeManageVolumePrivilege	2996	msdcsc.exe
Token: SeImpersonatePrivilege	2996	msdcsc.exe
Token: SeCreateGlobalPrivilege	2996	msdcsc.exe
Token: 33	2996	msdcsc.exe
Token: 34	2996	msdcsc.exe
Token: 35	2996	msdcsc.exe
Token: 36	2996	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2996	msdcsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 232	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe	86
PID 2036 wrote to memory of 232	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe	86
PID 2036 wrote to memory of 232	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe	86
PID 2036 wrote to memory of 4336	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe	87
PID 2036 wrote to memory of 4336	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe	87
PID 2036 wrote to memory of 4336	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe	87
PID 232 wrote to memory of 4012	232	cmd.exe	91
PID 232 wrote to memory of 4012	232	cmd.exe	91
PID 232 wrote to memory of 4012	232	cmd.exe	91
PID 4336 wrote to memory of 2928	4336	cmd.exe	92
PID 4336 wrote to memory of 2928	4336	cmd.exe	92
PID 4336 wrote to memory of 2928	4336	cmd.exe	92
PID 2036 wrote to memory of 2996	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe	94
PID 2036 wrote to memory of 2996	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe	94
PID 2036 wrote to memory of 2996	2036	JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe	94
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96
PID 2996 wrote to memory of 4164	2996	msdcsc.exe	96

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

pid	Process
4012	attrib.exe
2928	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.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:2036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:232
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e700602edebb18a11aa1b32c5d5d9900.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4012
- 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:4336
- - 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:2928
- C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - 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:2996
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4164

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIzIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU4NjAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODIxNjMwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDQyNDk4OTc1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4160

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