darkcomet | 23ff7de42ea09c954f36e8554632547c3365fe821e11bb1eac061e1115ba15d4

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

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

Windows security bypass 2 TTPs 2 IoCs

defense_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"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	Server.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	Server.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.exe

Executes dropped EXE 3 IoCs

pid	Process
2752	7za.exe
2868	Server.exe
2768	RUNESCAPE_PIN_GENERATOR.EXE

Loads dropped DLL 5 IoCs

pid	Process
2616	cmd.exe
2616	cmd.exe
2140	JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe
2140	JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe
2868	Server.exe

Windows security modification 2 TTPs 1 IoCs

defense_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"	Server.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 2972	2868	Server.exe	34

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RUNESCAPE_PIN_GENERATOR.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7za.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\ProcessorNameString	Server.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Server.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	Server.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Server.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	Server.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2868	Server.exe
Token: SeSecurityPrivilege	2868	Server.exe
Token: SeTakeOwnershipPrivilege	2868	Server.exe
Token: SeLoadDriverPrivilege	2868	Server.exe
Token: SeSystemProfilePrivilege	2868	Server.exe
Token: SeSystemtimePrivilege	2868	Server.exe
Token: SeProfSingleProcessPrivilege	2868	Server.exe
Token: SeIncBasePriorityPrivilege	2868	Server.exe
Token: SeCreatePagefilePrivilege	2868	Server.exe
Token: SeBackupPrivilege	2868	Server.exe
Token: SeRestorePrivilege	2868	Server.exe
Token: SeShutdownPrivilege	2868	Server.exe
Token: SeDebugPrivilege	2868	Server.exe
Token: SeSystemEnvironmentPrivilege	2868	Server.exe
Token: SeChangeNotifyPrivilege	2868	Server.exe
Token: SeRemoteShutdownPrivilege	2868	Server.exe
Token: SeUndockPrivilege	2868	Server.exe
Token: SeManageVolumePrivilege	2868	Server.exe
Token: SeImpersonatePrivilege	2868	Server.exe
Token: SeCreateGlobalPrivilege	2868	Server.exe
Token: 33	2868	Server.exe
Token: 34	2868	Server.exe
Token: 35	2868	Server.exe
Token: SeIncreaseQuotaPrivilege	2972	explorer.exe
Token: SeSecurityPrivilege	2972	explorer.exe
Token: SeTakeOwnershipPrivilege	2972	explorer.exe
Token: SeLoadDriverPrivilege	2972	explorer.exe
Token: SeSystemProfilePrivilege	2972	explorer.exe
Token: SeSystemtimePrivilege	2972	explorer.exe
Token: SeProfSingleProcessPrivilege	2972	explorer.exe
Token: SeIncBasePriorityPrivilege	2972	explorer.exe
Token: SeCreatePagefilePrivilege	2972	explorer.exe
Token: SeBackupPrivilege	2972	explorer.exe
Token: SeRestorePrivilege	2972	explorer.exe
Token: SeShutdownPrivilege	2972	explorer.exe
Token: SeDebugPrivilege	2972	explorer.exe
Token: SeSystemEnvironmentPrivilege	2972	explorer.exe
Token: SeChangeNotifyPrivilege	2972	explorer.exe
Token: SeRemoteShutdownPrivilege	2972	explorer.exe
Token: SeUndockPrivilege	2972	explorer.exe
Token: SeManageVolumePrivilege	2972	explorer.exe
Token: SeImpersonatePrivilege	2972	explorer.exe
Token: SeCreateGlobalPrivilege	2972	explorer.exe
Token: 33	2972	explorer.exe
Token: 34	2972	explorer.exe
Token: 35	2972	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2972	explorer.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2616	2140	JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe	29
PID 2140 wrote to memory of 2616	2140	JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe	29
PID 2140 wrote to memory of 2616	2140	JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe	29
PID 2140 wrote to memory of 2616	2140	JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe	29
PID 2616 wrote to memory of 2752	2616	cmd.exe	31
PID 2616 wrote to memory of 2752	2616	cmd.exe	31
PID 2616 wrote to memory of 2752	2616	cmd.exe	31
PID 2616 wrote to memory of 2752	2616	cmd.exe	31
PID 2140 wrote to memory of 2868	2140	JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe	32
PID 2140 wrote to memory of 2868	2140	JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe	32
PID 2140 wrote to memory of 2868	2140	JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe	32
PID 2140 wrote to memory of 2868	2140	JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe	32
PID 2868 wrote to memory of 2768	2868	Server.exe	33
PID 2868 wrote to memory of 2768	2868	Server.exe	33
PID 2868 wrote to memory of 2768	2868	Server.exe	33
PID 2868 wrote to memory of 2768	2868	Server.exe	33
PID 2868 wrote to memory of 2972	2868	Server.exe	34
PID 2868 wrote to memory of 2972	2868	Server.exe	34
PID 2868 wrote to memory of 2972	2868	Server.exe	34
PID 2868 wrote to memory of 2972	2868	Server.exe	34
PID 2868 wrote to memory of 2972	2868	Server.exe	34
PID 2868 wrote to memory of 2972	2868	Server.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7fb215db072c4d8e1a4c03595ae96565.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\7za.exe" "x" "-y" "C:\Users\Admin\AppData\Roaming\Server.7z" "-pSaltyDave""
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Users\Admin\AppData\Roaming\7za.exe
    "C:\Users\Admin\AppData\Roaming\7za.exe" "x" "-y" "C:\Users\Admin\AppData\Roaming\Server.7z" "-pSaltyDave"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2752
- C:\Users\Admin\AppData\Roaming\Server.exe
  C:\Users\Admin\AppData\Roaming\Server.exe
  2⤵
  - Modifies firewall policy service
  - Windows security bypass
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Windows security modification
  - 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
  PID:2868
- - C:\Users\Admin\AppData\Local\Temp\RUNESCAPE_PIN_GENERATOR.EXE
    "C:\Users\Admin\AppData\Local\Temp\RUNESCAPE_PIN_GENERATOR.EXE"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2768
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - Modifies firewall policy service
    - Windows security bypass
    - Checks BIOS information in registry
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

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