darkcomet | dcbfd8058e295d146bb8a6776821ba637e992e3217934e41c1e6bf613417e3d8

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	Crypted.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	explorer.exe

Disables RegEdit via registry modification 2 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	Crypted.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\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	Crypted.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.exe

Executes dropped EXE 1 IoCs

pid	Process
2812	Crypted.exe

Windows security modification 2 TTPs 1 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"	Crypted.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 2700	2812	Crypted.exe	31

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 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	Crypted.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.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\VendorIdentifier	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Crypted.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Crypted.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Crypted.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	Crypted.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

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	Crypted.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2700	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2812	Crypted.exe
Token: SeSecurityPrivilege	2812	Crypted.exe
Token: SeTakeOwnershipPrivilege	2812	Crypted.exe
Token: SeLoadDriverPrivilege	2812	Crypted.exe
Token: SeSystemProfilePrivilege	2812	Crypted.exe
Token: SeSystemtimePrivilege	2812	Crypted.exe
Token: SeProfSingleProcessPrivilege	2812	Crypted.exe
Token: SeIncBasePriorityPrivilege	2812	Crypted.exe
Token: SeCreatePagefilePrivilege	2812	Crypted.exe
Token: SeBackupPrivilege	2812	Crypted.exe
Token: SeRestorePrivilege	2812	Crypted.exe
Token: SeShutdownPrivilege	2812	Crypted.exe
Token: SeDebugPrivilege	2812	Crypted.exe
Token: SeSystemEnvironmentPrivilege	2812	Crypted.exe
Token: SeChangeNotifyPrivilege	2812	Crypted.exe
Token: SeRemoteShutdownPrivilege	2812	Crypted.exe
Token: SeUndockPrivilege	2812	Crypted.exe
Token: SeManageVolumePrivilege	2812	Crypted.exe
Token: SeImpersonatePrivilege	2812	Crypted.exe
Token: SeCreateGlobalPrivilege	2812	Crypted.exe
Token: 33	2812	Crypted.exe
Token: 34	2812	Crypted.exe
Token: 35	2812	Crypted.exe
Token: SeIncreaseQuotaPrivilege	2700	explorer.exe
Token: SeSecurityPrivilege	2700	explorer.exe
Token: SeTakeOwnershipPrivilege	2700	explorer.exe
Token: SeLoadDriverPrivilege	2700	explorer.exe
Token: SeSystemProfilePrivilege	2700	explorer.exe
Token: SeSystemtimePrivilege	2700	explorer.exe
Token: SeProfSingleProcessPrivilege	2700	explorer.exe
Token: SeIncBasePriorityPrivilege	2700	explorer.exe
Token: SeCreatePagefilePrivilege	2700	explorer.exe
Token: SeBackupPrivilege	2700	explorer.exe
Token: SeRestorePrivilege	2700	explorer.exe
Token: SeShutdownPrivilege	2700	explorer.exe
Token: SeDebugPrivilege	2700	explorer.exe
Token: SeSystemEnvironmentPrivilege	2700	explorer.exe
Token: SeChangeNotifyPrivilege	2700	explorer.exe
Token: SeRemoteShutdownPrivilege	2700	explorer.exe
Token: SeUndockPrivilege	2700	explorer.exe
Token: SeManageVolumePrivilege	2700	explorer.exe
Token: SeImpersonatePrivilege	2700	explorer.exe
Token: SeCreateGlobalPrivilege	2700	explorer.exe
Token: 33	2700	explorer.exe
Token: 34	2700	explorer.exe
Token: 35	2700	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2700	explorer.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2812	2868	61851a26a739e934f0f325569d512d7e_JaffaCakes118.exe	30
PID 2868 wrote to memory of 2812	2868	61851a26a739e934f0f325569d512d7e_JaffaCakes118.exe	30
PID 2868 wrote to memory of 2812	2868	61851a26a739e934f0f325569d512d7e_JaffaCakes118.exe	30
PID 2868 wrote to memory of 2812	2868	61851a26a739e934f0f325569d512d7e_JaffaCakes118.exe	30
PID 2812 wrote to memory of 2700	2812	Crypted.exe	31
PID 2812 wrote to memory of 2700	2812	Crypted.exe	31
PID 2812 wrote to memory of 2700	2812	Crypted.exe	31
PID 2812 wrote to memory of 2700	2812	Crypted.exe	31
PID 2812 wrote to memory of 2700	2812	Crypted.exe	31
PID 2812 wrote to memory of 2700	2812	Crypted.exe	31

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

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

C:\Users\Admin\AppData\Local\Temp\61851a26a739e934f0f325569d512d7e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\61851a26a739e934f0f325569d512d7e_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\Crypted.exe
  "C:\Users\Admin\AppData\Local\Temp\Crypted.exe"
  2⤵
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Checks BIOS information in registry
  - Executes dropped EXE
  - 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
  - System policy modification
  PID:2812
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - 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:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery