darkcomet | 312f6d178f512184f38b9cf023c7f38520da92ad22f9a0ee06878d0581d0f1b9

Processes:

06e600b729ab01c8e38a1f46ab85a749_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\\Roaming\\Windupdt\\winupdate.exe"	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

winupdate.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	winupdate.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	winupdate.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	winupdate.exe

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

winupdate.exe

description ioc process

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

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	winupdate.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

winupdate.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winupdate.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

winupdate.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	winupdate.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:

06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

2992 notepad.exe
Executes dropped EXE 1 IoCs

Processes:

winupdate.exe

pid process

448 winupdate.exe

pid	process
2992	notepad.exe

pid	process
448	winupdate.exe

UPX packed file 19 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/1180-0-0x0000000013140000-0x000000001320B000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe	upx
behavioral2/memory/1180-38-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-36-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-41-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-42-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-43-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-44-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-45-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-46-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-47-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-48-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-49-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-50-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-51-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-52-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-53-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-54-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/448-55-0x0000000013140000-0x000000001320B000-memory.dmp	upx

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

winupdate.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winupdate.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exenotepad.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	notepad.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exewinupdate.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeSecurityPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeBackupPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeRestorePrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeShutdownPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeDebugPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeUndockPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: 33	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: 34	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: 35	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: 36	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	448	winupdate.exe
Token: SeSecurityPrivilege	448	winupdate.exe
Token: SeTakeOwnershipPrivilege	448	winupdate.exe
Token: SeLoadDriverPrivilege	448	winupdate.exe
Token: SeSystemProfilePrivilege	448	winupdate.exe
Token: SeSystemtimePrivilege	448	winupdate.exe
Token: SeProfSingleProcessPrivilege	448	winupdate.exe
Token: SeIncBasePriorityPrivilege	448	winupdate.exe
Token: SeCreatePagefilePrivilege	448	winupdate.exe
Token: SeBackupPrivilege	448	winupdate.exe
Token: SeRestorePrivilege	448	winupdate.exe
Token: SeShutdownPrivilege	448	winupdate.exe
Token: SeDebugPrivilege	448	winupdate.exe
Token: SeSystemEnvironmentPrivilege	448	winupdate.exe
Token: SeChangeNotifyPrivilege	448	winupdate.exe
Token: SeRemoteShutdownPrivilege	448	winupdate.exe
Token: SeUndockPrivilege	448	winupdate.exe
Token: SeManageVolumePrivilege	448	winupdate.exe
Token: SeImpersonatePrivilege	448	winupdate.exe
Token: SeCreateGlobalPrivilege	448	winupdate.exe
Token: 33	448	winupdate.exe
Token: 34	448	winupdate.exe
Token: 35	448	winupdate.exe
Token: 36	448	winupdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

winupdate.exe

pid process

448 winupdate.exe

pid	process
448	winupdate.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe

description	pid	process	target process
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 3464	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 448	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	winupdate.exe
PID 1180 wrote to memory of 448	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	winupdate.exe
PID 1180 wrote to memory of 448	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	winupdate.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 1180 wrote to memory of 2992	1180	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1180

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
- Adds Run key to start application
PID:3464

C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe
"C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"
2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:448

C:\Windows\SysWOW64\notepad.exe
C:\Windows\SysWOW64\notepad.exe
2⤵
- Deletes itself
PID:2992

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

6

Impair Defenses

3

T1562

Disable or Modify Tools

T1562.001

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery