darkcomet | 3d3ddbe28d0b0b39a5c64a9cd062593f056a3c9a608073646dfc5e1dd55a7356

Processes:

f37c39d23241d810bf574afd63d1475a_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\\Documents\\MSDCSC\\msdcsc.exe"	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

Windows Service

T1543.003

Processes:

msdcsc.exe

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

Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

4580 attrib.exe
2612 attrib.exe

pid	process
4580	attrib.exe
2612	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

Processes:

f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

4420 msdcsc.exe

pid	process
4420	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

4420 msdcsc.exe

pid	process
4420	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeSecurityPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeBackupPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeRestorePrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeShutdownPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeDebugPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeUndockPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: 33	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: 34	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: 35	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: 36	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4420	msdcsc.exe
Token: SeSecurityPrivilege	4420	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4420	msdcsc.exe
Token: SeLoadDriverPrivilege	4420	msdcsc.exe
Token: SeSystemProfilePrivilege	4420	msdcsc.exe
Token: SeSystemtimePrivilege	4420	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4420	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4420	msdcsc.exe
Token: SeCreatePagefilePrivilege	4420	msdcsc.exe
Token: SeBackupPrivilege	4420	msdcsc.exe
Token: SeRestorePrivilege	4420	msdcsc.exe
Token: SeShutdownPrivilege	4420	msdcsc.exe
Token: SeDebugPrivilege	4420	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4420	msdcsc.exe
Token: SeChangeNotifyPrivilege	4420	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4420	msdcsc.exe
Token: SeUndockPrivilege	4420	msdcsc.exe
Token: SeManageVolumePrivilege	4420	msdcsc.exe
Token: SeImpersonatePrivilege	4420	msdcsc.exe
Token: SeCreateGlobalPrivilege	4420	msdcsc.exe
Token: 33	4420	msdcsc.exe
Token: 34	4420	msdcsc.exe
Token: 35	4420	msdcsc.exe
Token: 36	4420	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

4420 msdcsc.exe

pid	process
4420	msdcsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

f37c39d23241d810bf574afd63d1475a_JaffaCakes118.execmd.exemsdcsc.execmd.exe

description	pid	process	target process
PID 3232 wrote to memory of 4484	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe	cmd.exe
PID 3232 wrote to memory of 4484	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe	cmd.exe
PID 3232 wrote to memory of 4484	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe	cmd.exe
PID 3232 wrote to memory of 2548	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe	cmd.exe
PID 3232 wrote to memory of 2548	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe	cmd.exe
PID 3232 wrote to memory of 2548	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe	cmd.exe
PID 3232 wrote to memory of 4420	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe	msdcsc.exe
PID 3232 wrote to memory of 4420	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe	msdcsc.exe
PID 3232 wrote to memory of 4420	3232	f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe	msdcsc.exe
PID 4484 wrote to memory of 4580	4484	cmd.exe	attrib.exe
PID 4484 wrote to memory of 4580	4484	cmd.exe	attrib.exe
PID 4484 wrote to memory of 4580	4484	cmd.exe	attrib.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 4420 wrote to memory of 1844	4420	msdcsc.exe	notepad.exe
PID 2548 wrote to memory of 2612	2548	cmd.exe	attrib.exe
PID 2548 wrote to memory of 2612	2548	cmd.exe	attrib.exe
PID 2548 wrote to memory of 2612	2548	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

4580 attrib.exe
2612 attrib.exe

pid	process
4580	attrib.exe
2612	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3232

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:4484

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\f37c39d23241d810bf574afd63d1475a_JaffaCakes118.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4580

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2548

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2612

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Modifies firewall policy service
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4420

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:1844

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Modify Registry

3

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

Query Registry

T1012

System Information Discovery