darkcomet | b088833e8dddce0b2f6d61ddefcfdc7e19941a46a8726df5efa90809cdc8f68d

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windupdt\\winupdate.exe"	920a6ee052bcfaf17abf6977431a6bd8_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
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 = "1"	winupdate.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	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\AntiVirusDisableNotify = "1"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winupdate.exe

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

Processes:

winupdate.exe920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

winupdate.exewinupdate.exe

pid process

4824 winupdate.exe
3664 winupdate.exe

pid	process
4824	winupdate.exe
3664	winupdate.exe

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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.exe

description	pid	process	target process
PID 3492 set thread context of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 4824 set thread context of 3664	4824	winupdate.exe	winupdate.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 6 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:

PING.EXE920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.exewinupdate.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

Processes:

PING.EXE

pid process

2004 PING.EXE

pid	process
2004	PING.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

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	winupdate.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	winupdate.exe

Modifies registry class 1 IoCs

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2004 PING.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

winupdate.exe

pid process

3664 winupdate.exe

pid	process
2004	PING.EXE

pid	process
3664	winupdate.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeSecurityPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeBackupPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeRestorePrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeShutdownPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeDebugPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeUndockPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: 33	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: 34	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: 35	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: 36	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3664	winupdate.exe
Token: SeSecurityPrivilege	3664	winupdate.exe
Token: SeTakeOwnershipPrivilege	3664	winupdate.exe
Token: SeLoadDriverPrivilege	3664	winupdate.exe
Token: SeSystemProfilePrivilege	3664	winupdate.exe
Token: SeSystemtimePrivilege	3664	winupdate.exe
Token: SeProfSingleProcessPrivilege	3664	winupdate.exe
Token: SeIncBasePriorityPrivilege	3664	winupdate.exe
Token: SeCreatePagefilePrivilege	3664	winupdate.exe
Token: SeBackupPrivilege	3664	winupdate.exe
Token: SeRestorePrivilege	3664	winupdate.exe
Token: SeShutdownPrivilege	3664	winupdate.exe
Token: SeDebugPrivilege	3664	winupdate.exe
Token: SeSystemEnvironmentPrivilege	3664	winupdate.exe
Token: SeChangeNotifyPrivilege	3664	winupdate.exe
Token: SeRemoteShutdownPrivilege	3664	winupdate.exe
Token: SeUndockPrivilege	3664	winupdate.exe
Token: SeManageVolumePrivilege	3664	winupdate.exe
Token: SeImpersonatePrivilege	3664	winupdate.exe
Token: SeCreateGlobalPrivilege	3664	winupdate.exe
Token: 33	3664	winupdate.exe
Token: 34	3664	winupdate.exe
Token: 35	3664	winupdate.exe
Token: 36	3664	winupdate.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.exewinupdate.exe

pid process

3492 920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
4824 winupdate.exe
3664 winupdate.exe

pid	process
3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
4824	winupdate.exe
3664	winupdate.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.execmd.exe

description	pid	process	target process
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 3492 wrote to memory of 4036	3492	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
PID 4036 wrote to memory of 4824	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	winupdate.exe
PID 4036 wrote to memory of 4824	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	winupdate.exe
PID 4036 wrote to memory of 4824	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4824 wrote to memory of 3664	4824	winupdate.exe	winupdate.exe
PID 4036 wrote to memory of 1316	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	cmd.exe
PID 4036 wrote to memory of 1316	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	cmd.exe
PID 4036 wrote to memory of 1316	4036	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	cmd.exe
PID 1316 wrote to memory of 2004	1316	cmd.exe	PING.EXE
PID 1316 wrote to memory of 2004	1316	cmd.exe	PING.EXE
PID 1316 wrote to memory of 2004	1316	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Users\Admin\AppData\Local\Temp\920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4036
- - C:\Windupdt\winupdate.exe
    "C:\Windupdt\winupdate.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4824
  - - C:\Windupdt\winupdate.exe
      "C:\Windupdt\winupdate.exe"
      4⤵
      Modifies firewall policy service
      Modifies security service
      Windows security bypass
      Checks BIOS information in registry
      Executes dropped EXE
      Windows security modification
      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:3664
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1316
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 2
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2004

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

3

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

4

Remote System Discovery

T1018

System Information Discovery

5

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery