darkcomet | b174a3bb5752f0ba7ee2246b43af7682d2b608e228fa143e3aa52820fd6241d2

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4564 set thread context of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4328	2732	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

Checks processor information in registry 2 TTPs 4 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	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeSecurityPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeTakeOwnershipPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeLoadDriverPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeSystemProfilePrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeSystemtimePrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeProfSingleProcessPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeIncBasePriorityPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeCreatePagefilePrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeBackupPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeRestorePrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeShutdownPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeDebugPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeSystemEnvironmentPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeChangeNotifyPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeRemoteShutdownPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeUndockPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeManageVolumePrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeImpersonatePrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeCreateGlobalPrivilege	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: 33	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: 34	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: 35	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: 36	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 4564 wrote to memory of 2732	4564	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	82
PID 2732 wrote to memory of 2372	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	83
PID 2732 wrote to memory of 2372	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	83
PID 2732 wrote to memory of 2372	2732	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
  C:\Users\Admin\AppData\Local\Temp/JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Adds Run key to start application
  - 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:2732
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    PID:2372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 860
    3⤵
    - Program crash
    PID:4328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2732 -ip 2732
1⤵
PID:4288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

3

System Information Discovery

3

System Location Discovery

T1614

System Language Discovery