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

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

Windows Service

Processes:

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:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.exe

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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2196	cmd.exe

Executes dropped EXE 2 IoCs

Processes:

winupdate.exewinupdate.exe

pid	Process
2268	winupdate.exe
2928	winupdate.exe

Loads dropped DLL 8 IoCs

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.exewinupdate.exe

pid	Process
2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
2268	winupdate.exe
2268	winupdate.exe
2268	winupdate.exe
2268	winupdate.exe
2928	winupdate.exe
2928	winupdate.exe
2928	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-1-5-21-2039016743-699959520-214465309-1000\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	procid_target
PID 2032 set thread context of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2268 set thread context of 2928	2268	winupdate.exe	32

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:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.exewinupdate.execmd.exePING.EXE

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
2888	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\ProcessorNameString	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
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

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2888	PING.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

winupdate.exe

pid	Process
2928	winupdate.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeSecurityPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeBackupPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeRestorePrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeShutdownPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeDebugPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeUndockPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: 33	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: 34	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: 35	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2928	winupdate.exe
Token: SeSecurityPrivilege	2928	winupdate.exe
Token: SeTakeOwnershipPrivilege	2928	winupdate.exe
Token: SeLoadDriverPrivilege	2928	winupdate.exe
Token: SeSystemProfilePrivilege	2928	winupdate.exe
Token: SeSystemtimePrivilege	2928	winupdate.exe
Token: SeProfSingleProcessPrivilege	2928	winupdate.exe
Token: SeIncBasePriorityPrivilege	2928	winupdate.exe
Token: SeCreatePagefilePrivilege	2928	winupdate.exe
Token: SeBackupPrivilege	2928	winupdate.exe
Token: SeRestorePrivilege	2928	winupdate.exe
Token: SeShutdownPrivilege	2928	winupdate.exe
Token: SeDebugPrivilege	2928	winupdate.exe
Token: SeSystemEnvironmentPrivilege	2928	winupdate.exe
Token: SeChangeNotifyPrivilege	2928	winupdate.exe
Token: SeRemoteShutdownPrivilege	2928	winupdate.exe
Token: SeUndockPrivilege	2928	winupdate.exe
Token: SeManageVolumePrivilege	2928	winupdate.exe
Token: SeImpersonatePrivilege	2928	winupdate.exe
Token: SeCreateGlobalPrivilege	2928	winupdate.exe
Token: 33	2928	winupdate.exe
Token: 34	2928	winupdate.exe
Token: 35	2928	winupdate.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.exewinupdate.exe

pid	Process
2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
2268	winupdate.exe
2928	winupdate.exe

Suspicious use of WriteProcessMemory 48 IoCs

Processes:

920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exewinupdate.execmd.exe

description	pid	Process	procid_target
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2032 wrote to memory of 2124	2032	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2268	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	31
PID 2124 wrote to memory of 2268	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	31
PID 2124 wrote to memory of 2268	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	31
PID 2124 wrote to memory of 2268	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	31
PID 2124 wrote to memory of 2268	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	31
PID 2124 wrote to memory of 2268	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	31
PID 2124 wrote to memory of 2268	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	31
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2124 wrote to memory of 2196	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	33
PID 2124 wrote to memory of 2196	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	33
PID 2124 wrote to memory of 2196	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	33
PID 2124 wrote to memory of 2196	2124	920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe	33
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2268 wrote to memory of 2928	2268	winupdate.exe	32
PID 2196 wrote to memory of 2888	2196	cmd.exe	35
PID 2196 wrote to memory of 2888	2196	cmd.exe	35
PID 2196 wrote to memory of 2888	2196	cmd.exe	35
PID 2196 wrote to memory of 2888	2196	cmd.exe	35

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:2032
- 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
  - Loads dropped DLL
  - 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:2124
- - C:\Windupdt\winupdate.exe
    "C:\Windupdt\winupdate.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2268
  - - 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
      Loads dropped DLL
      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:2928
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2196
  - - 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:2888

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

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

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

Remote System Discovery

T1018

System Information Discovery