darkcomet | 32bf0fadc0f91e74293232f370828869df6ba1c1ce27473874eb67451bddd696

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\Windupdt32\\windowsxupdate.exe"	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe

UAC bypass 3 TTPs 4 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	windowsxupdate.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	windowsxupdate.exe

Blocks application from running via registry modification 2 IoCs

Adds application to list of disallowed applications.

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	windowsxupdate.exe

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	windowsxupdate.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
File opened for modification	C:\Windows\system32\drivers\etc\hosts	windowsxupdate.exe

Modifies Windows Firewall 2 TTPs 2 IoCs

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2384	Netsh.exe
2624	Netsh.exe

Checks BIOS information in registry 2 TTPs 1 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	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	windowsxupdate.exe

Loads dropped DLL 2 IoCs

pid	Process
2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
2684	windowsxupdate.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Audio Device = "C:\\Users\\Admin\\AppData\\Roaming\\edgi7SPzOEr6.exe"	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Graphic Driver = "C:\\Users\\Admin\\AppData\\Roaming\\edgi7SPzOEr6.exe"	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Windows\\system32\\Windupdt32\\windowsxupdate.exe"	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Audio Device = "C:\\Users\\Admin\\AppData\\Roaming\\edgi7SPzOEr6.exe"	windowsxupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Graphic Driver = "C:\\Users\\Admin\\AppData\\Roaming\\edgi7SPzOEr6.exe"	windowsxupdate.exe

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

persistence privilege_escalation

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	windowsxupdate.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	windowsxupdate.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Windupdt32\windowsxupdate.exe	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Windupdt32\	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Windupdt32\windowsxupdate.exe	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	Netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	Netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	Netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	Netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	Netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	Netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windowsxupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Netsh.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.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	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeSecurityPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeBackupPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeRestorePrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeShutdownPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeDebugPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeUndockPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: 33	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: 34	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Token: 35	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2384	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2384	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2384	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2384	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2732 wrote to memory of 2676	2732	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2684	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	34
PID 2676 wrote to memory of 2684	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	34
PID 2676 wrote to memory of 2684	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	34
PID 2676 wrote to memory of 2684	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	34
PID 2676 wrote to memory of 2684	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	34
PID 2676 wrote to memory of 2684	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	34
PID 2676 wrote to memory of 2684	2676	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe	34
PID 2684 wrote to memory of 2592	2684	windowsxupdate.exe	35
PID 2684 wrote to memory of 2592	2684	windowsxupdate.exe	35
PID 2684 wrote to memory of 2592	2684	windowsxupdate.exe	35
PID 2684 wrote to memory of 2592	2684	windowsxupdate.exe	35
PID 2684 wrote to memory of 2592	2684	windowsxupdate.exe	35
PID 2684 wrote to memory of 2592	2684	windowsxupdate.exe	35
PID 2684 wrote to memory of 2592	2684	windowsxupdate.exe	35
PID 2684 wrote to memory of 2624	2684	windowsxupdate.exe	36
PID 2684 wrote to memory of 2624	2684	windowsxupdate.exe	36
PID 2684 wrote to memory of 2624	2684	windowsxupdate.exe	36
PID 2684 wrote to memory of 2624	2684	windowsxupdate.exe	36

System policy modification 1 TTPs 4 IoCs

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	windowsxupdate.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	windowsxupdate.exe

C:\Users\Admin\AppData\Local\Temp\d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe"
1⤵
- UAC bypass
- Blocks application from running via registry modification
- Drops file in Drivers directory
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2732
- C:\Windows\SysWOW64\Netsh.exe
  "Netsh" Advfirewall set Currentprofile State off
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2384
- C:\Users\Admin\AppData\Local\Temp\d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d7456007a18e3ef753d878fd4b609738_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - 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:2676
- - C:\Windows\SysWOW64\Windupdt32\windowsxupdate.exe
    "C:\Windows\system32\Windupdt32\windowsxupdate.exe"
    3⤵
    - UAC bypass
    - Blocks application from running via registry modification
    - Disables RegEdit via registry modification
    - Drops file in Drivers directory
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Checks whether UAC is enabled
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:2684
  - - C:\Windows\SysWOW64\Windupdt32\windowsxupdate.exe
      "C:\Windows\SysWOW64\Windupdt32\windowsxupdate.exe"
      4⤵
      PID:2592
  - - C:\Windows\SysWOW64\Netsh.exe
      "Netsh" Advfirewall set Currentprofile State off
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2624

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

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

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

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

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