ardamax | c3e07b98a8da60e715048ccf35eb7cea372e76f40777f5f638d3a3a356a9e53f

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	Exporer32.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	JTOV.exe

Executes dropped EXE 3 IoCs

pid	Process
2964	Exporer32.exe
2168	JTOV.exe
2984	Daemon Crypt V2 Public.exe

Loads dropped DLL 8 IoCs

pid	Process
2964	Exporer32.exe
2168	JTOV.exe
2984	Daemon Crypt V2 Public.exe
2168	JTOV.exe
2168	JTOV.exe
2984	Daemon Crypt V2 Public.exe
2984	Daemon Crypt V2 Public.exe
1968	WerFault.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JTOV Agent = "C:\\Windows\\SysWOW64\\28463\\JTOV.exe"	JTOV.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\JTOV.001	Exporer32.exe
File created	C:\Windows\SysWOW64\28463\JTOV.006	Exporer32.exe
File created	C:\Windows\SysWOW64\28463\JTOV.007	Exporer32.exe
File created	C:\Windows\SysWOW64\28463\JTOV.exe	Exporer32.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	Exporer32.exe
File opened for modification	C:\Windows\SysWOW64\28463	JTOV.exe
File created	C:\Windows\SysWOW64\28463\JTOV.009	JTOV.exe
File opened for modification	C:\Windows\SysWOW64\28463\JTOV.009	JTOV.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1968	2168	WerFault.exe	87

Checks processor information in registry 2 TTPs 3 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	f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	2168	JTOV.exe
Token: SeIncBasePriorityPrivilege	2168	JTOV.exe
Token: SeIncBasePriorityPrivilege	2168	JTOV.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
636	f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe
2984	Daemon Crypt V2 Public.exe
2168	JTOV.exe
2168	JTOV.exe
2168	JTOV.exe
2168	JTOV.exe
2168	JTOV.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 2964	636	f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe	86
PID 636 wrote to memory of 2964	636	f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe	86
PID 636 wrote to memory of 2964	636	f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe	86
PID 2964 wrote to memory of 2168	2964	Exporer32.exe	87
PID 2964 wrote to memory of 2168	2964	Exporer32.exe	87
PID 2964 wrote to memory of 2168	2964	Exporer32.exe	87
PID 2964 wrote to memory of 2984	2964	Exporer32.exe	88
PID 2964 wrote to memory of 2984	2964	Exporer32.exe	88
PID 2964 wrote to memory of 2984	2964	Exporer32.exe	88
PID 2168 wrote to memory of 2144	2168	JTOV.exe	101
PID 2168 wrote to memory of 2144	2168	JTOV.exe	101
PID 2168 wrote to memory of 2144	2168	JTOV.exe	101

C:\Users\Admin\AppData\Local\Temp\f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f4f3f5435f422b09978f05881db1ab4e_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:636
- C:\Users\Admin\AppData\Local\Temp\Exporer32.exe
  "C:\Users\Admin\AppData\Local\Temp\Exporer32.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\28463\JTOV.exe
    "C:\Windows\system32\28463\JTOV.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in System32 directory
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2168
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 820
      4⤵
      Loads dropped DLL
      Program crash
      PID:1968
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\JTOV.exe > nul
      4⤵
      PID:2144
- - C:\Users\Admin\AppData\Local\Temp\Daemon Crypt V2 Public.exe
    "C:\Users\Admin\AppData\Local\Temp\Daemon Crypt V2 Public.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetWindowsHookEx
    PID:2984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2168 -ip 2168
1⤵
PID:1824

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

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