darkcomet | 501ccde156c54df0367c00411098d252d35de3f6c77ba9f925443e721536a3a4

Processes:

8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe

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"	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

msdcsc.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe

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

Processes:

msdcsc.exe

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

evasion

Processes:

msdcsc.exe

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
Drops file in Drivers directory 1 IoCs

Processes:

8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts 8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.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

Processes:

8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

2604 msdcsc.exe

pid	process
2604	msdcsc.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

msdcsc.exe

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

Processes:

8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1632 1232 WerFault.exe notepad.exe

pid	pid_target	process	target process
1632	1232	WerFault.exe	notepad.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exemsdcsc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Modifies registry class 1 IoCs

Processes:

8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeSecurityPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeBackupPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeRestorePrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeShutdownPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeDebugPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeUndockPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: 33	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: 34	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: 35	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: 36	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2604	msdcsc.exe
Token: SeSecurityPrivilege	2604	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2604	msdcsc.exe
Token: SeLoadDriverPrivilege	2604	msdcsc.exe
Token: SeSystemProfilePrivilege	2604	msdcsc.exe
Token: SeSystemtimePrivilege	2604	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2604	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2604	msdcsc.exe
Token: SeCreatePagefilePrivilege	2604	msdcsc.exe
Token: SeBackupPrivilege	2604	msdcsc.exe
Token: SeRestorePrivilege	2604	msdcsc.exe
Token: SeShutdownPrivilege	2604	msdcsc.exe
Token: SeDebugPrivilege	2604	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2604	msdcsc.exe
Token: SeChangeNotifyPrivilege	2604	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2604	msdcsc.exe
Token: SeUndockPrivilege	2604	msdcsc.exe
Token: SeManageVolumePrivilege	2604	msdcsc.exe
Token: SeImpersonatePrivilege	2604	msdcsc.exe
Token: SeCreateGlobalPrivilege	2604	msdcsc.exe
Token: 33	2604	msdcsc.exe
Token: 34	2604	msdcsc.exe
Token: 35	2604	msdcsc.exe
Token: 36	2604	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

2604 msdcsc.exe

pid	process
2604	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exemsdcsc.exe

description	pid	process	target process
PID 4588 wrote to memory of 2604	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe	msdcsc.exe
PID 4588 wrote to memory of 2604	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe	msdcsc.exe
PID 4588 wrote to memory of 2604	4588	8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe	msdcsc.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe
PID 2604 wrote to memory of 1232	2604	msdcsc.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8fb054263f441ee44bf20f7d9a364e3d_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- 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:4588
- C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
  2⤵
  - 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 use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2604
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:1232
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1232 -s 76
      4⤵
      Program crash
      PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1232 -ip 1232
1⤵
PID:2584

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

T1543.003

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

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery