darkcomet | eab44c4bf6f2b14afb77c92fe3b509f33d6195312438d399005422982f33cc16

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\win32/hacked"	COMMAN~1.EXE

Modifies firewall policy service 3 TTPs 6 IoCs

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1"	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	explorer.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	COMMAN~1.EXE
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1"	COMMAN~1.EXE
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	COMMAN~1.EXE
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	explorer.exe

Modifies security service 2 TTPs 2 IoCs

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	COMMAN~1.EXE

Windows security bypass 2 TTPs 4 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"	COMMAN~1.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	COMMAN~1.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	explorer.exe

Disables RegEdit via registry modification 2 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	COMMAN~1.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	explorer.exe

Disables Task Manager via registry modification
evasion

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	COMMAN~1.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.exe

Executes dropped EXE 2 IoCs

pid	Process
2052	COMMAN~1.EXE
3296	spider.exe

Windows security modification 2 TTPs 2 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"	COMMAN~1.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	COMMAN~1.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	00e435496590b9c712d89945b07f6516_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\system32\\win32/hacked"	COMMAN~1.EXE

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\win32\hacked	COMMAN~1.EXE
File opened for modification	C:\Windows\SysWOW64\	COMMAN~1.EXE
File created	C:\Windows\SysWOW64\win32\hacked	COMMAN~1.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2052 set thread context of 4516	2052	COMMAN~1.EXE	83

System Location Discovery: System Language Discovery 1 TTPs 4 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	00e435496590b9c712d89945b07f6516_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	COMMAN~1.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spider.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	COMMAN~1.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	COMMAN~1.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	COMMAN~1.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	COMMAN~1.EXE

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	COMMAN~1.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4516	explorer.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2052	COMMAN~1.EXE
Token: SeSecurityPrivilege	2052	COMMAN~1.EXE
Token: SeTakeOwnershipPrivilege	2052	COMMAN~1.EXE
Token: SeLoadDriverPrivilege	2052	COMMAN~1.EXE
Token: SeSystemProfilePrivilege	2052	COMMAN~1.EXE
Token: SeSystemtimePrivilege	2052	COMMAN~1.EXE
Token: SeProfSingleProcessPrivilege	2052	COMMAN~1.EXE
Token: SeIncBasePriorityPrivilege	2052	COMMAN~1.EXE
Token: SeCreatePagefilePrivilege	2052	COMMAN~1.EXE
Token: SeBackupPrivilege	2052	COMMAN~1.EXE
Token: SeRestorePrivilege	2052	COMMAN~1.EXE
Token: SeShutdownPrivilege	2052	COMMAN~1.EXE
Token: SeDebugPrivilege	2052	COMMAN~1.EXE
Token: SeSystemEnvironmentPrivilege	2052	COMMAN~1.EXE
Token: SeChangeNotifyPrivilege	2052	COMMAN~1.EXE
Token: SeRemoteShutdownPrivilege	2052	COMMAN~1.EXE
Token: SeUndockPrivilege	2052	COMMAN~1.EXE
Token: SeManageVolumePrivilege	2052	COMMAN~1.EXE
Token: SeImpersonatePrivilege	2052	COMMAN~1.EXE
Token: SeCreateGlobalPrivilege	2052	COMMAN~1.EXE
Token: 33	2052	COMMAN~1.EXE
Token: 34	2052	COMMAN~1.EXE
Token: 35	2052	COMMAN~1.EXE
Token: 36	2052	COMMAN~1.EXE
Token: SeIncreaseQuotaPrivilege	4516	explorer.exe
Token: SeSecurityPrivilege	4516	explorer.exe
Token: SeTakeOwnershipPrivilege	4516	explorer.exe
Token: SeLoadDriverPrivilege	4516	explorer.exe
Token: SeSystemProfilePrivilege	4516	explorer.exe
Token: SeSystemtimePrivilege	4516	explorer.exe
Token: SeProfSingleProcessPrivilege	4516	explorer.exe
Token: SeIncBasePriorityPrivilege	4516	explorer.exe
Token: SeCreatePagefilePrivilege	4516	explorer.exe
Token: SeBackupPrivilege	4516	explorer.exe
Token: SeRestorePrivilege	4516	explorer.exe
Token: SeShutdownPrivilege	4516	explorer.exe
Token: SeDebugPrivilege	4516	explorer.exe
Token: SeSystemEnvironmentPrivilege	4516	explorer.exe
Token: SeChangeNotifyPrivilege	4516	explorer.exe
Token: SeRemoteShutdownPrivilege	4516	explorer.exe
Token: SeUndockPrivilege	4516	explorer.exe
Token: SeManageVolumePrivilege	4516	explorer.exe
Token: SeImpersonatePrivilege	4516	explorer.exe
Token: SeCreateGlobalPrivilege	4516	explorer.exe
Token: 33	4516	explorer.exe
Token: 34	4516	explorer.exe
Token: 35	4516	explorer.exe
Token: 36	4516	explorer.exe
Token: 33	3948	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3948	AUDIODG.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4516	explorer.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 2052	1080	00e435496590b9c712d89945b07f6516_JaffaCakes118.exe	82
PID 1080 wrote to memory of 2052	1080	00e435496590b9c712d89945b07f6516_JaffaCakes118.exe	82
PID 1080 wrote to memory of 2052	1080	00e435496590b9c712d89945b07f6516_JaffaCakes118.exe	82
PID 2052 wrote to memory of 4516	2052	COMMAN~1.EXE	83
PID 2052 wrote to memory of 4516	2052	COMMAN~1.EXE	83
PID 2052 wrote to memory of 4516	2052	COMMAN~1.EXE	83
PID 2052 wrote to memory of 4516	2052	COMMAN~1.EXE	83
PID 2052 wrote to memory of 4516	2052	COMMAN~1.EXE	83
PID 1080 wrote to memory of 3296	1080	00e435496590b9c712d89945b07f6516_JaffaCakes118.exe	84
PID 1080 wrote to memory of 3296	1080	00e435496590b9c712d89945b07f6516_JaffaCakes118.exe	84
PID 1080 wrote to memory of 3296	1080	00e435496590b9c712d89945b07f6516_JaffaCakes118.exe	84

System policy modification 1 TTPs 3 IoCs

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	COMMAN~1.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	COMMAN~1.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	COMMAN~1.EXE

C:\Users\Admin\AppData\Local\Temp\00e435496590b9c712d89945b07f6516_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\00e435496590b9c712d89945b07f6516_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\COMMAN~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\COMMAN~1.EXE
  2⤵
  - Modifies WinLogon for persistence
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Windows security modification
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2052
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - Modifies firewall policy service
    - Modifies security service
    - Windows security bypass
    - Disables RegEdit via registry modification
    - Checks BIOS information in registry
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4516
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\spider.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\spider.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3296

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2f0 0x304
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3948

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

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery