buer | 014a00ff4eb8eabdd9a7e2e0a0d322cfab2cd2a0f65855e98eef290b217d7c8f

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	errorResponder.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	errorResponder.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	errorResponder.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2164	errorResponder.exe

Executes dropped EXE 1 IoCs

pid	Process
2164	errorResponder.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Wine	e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Wine	errorResponder.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
388	e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe
2164	errorResponder.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5096	1548	WerFault.exe	92
1480	1548	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 3 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	e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	errorResponder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	secinit.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
388	e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe
388	e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe
2164	errorResponder.exe
2164	errorResponder.exe
2164	errorResponder.exe
2164	errorResponder.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 2164	388	e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe	91
PID 388 wrote to memory of 2164	388	e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe	91
PID 388 wrote to memory of 2164	388	e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe	91
PID 2164 wrote to memory of 1548	2164	errorResponder.exe	92
PID 2164 wrote to memory of 1548	2164	errorResponder.exe	92
PID 2164 wrote to memory of 1548	2164	errorResponder.exe	92
PID 2164 wrote to memory of 1548	2164	errorResponder.exe	92
PID 2164 wrote to memory of 1548	2164	errorResponder.exe	92
PID 2164 wrote to memory of 1548	2164	errorResponder.exe	92
PID 2164 wrote to memory of 1548	2164	errorResponder.exe	92
PID 2164 wrote to memory of 1548	2164	errorResponder.exe	92
PID 2164 wrote to memory of 1548	2164	errorResponder.exe	92
PID 2164 wrote to memory of 1548	2164	errorResponder.exe	92
PID 2164 wrote to memory of 1548	2164	errorResponder.exe	92
PID 2164 wrote to memory of 1548	2164	errorResponder.exe	92

C:\Users\Admin\AppData\Local\Temp\e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:388
- C:\ProgramData\ErrorResponder\errorResponder.exe
  C:\ProgramData\ErrorResponder\errorResponder.exe "C:\Users\Admin\AppData\Local\Temp\e91cc94bcf70a4cd3a8f8c7df1bf88fa_JaffaCakes118.exe" ensgJJ
  2⤵
  - Modifies WinLogon for persistence
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Deletes itself
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Windows\SysWOW64\secinit.exe
    C:\ProgramData\ErrorResponder\errorResponder.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1548
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 288
      4⤵
      Program crash
      PID:5096
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 296
      4⤵
      Program crash
      PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1548 -ip 1548
1⤵
PID:3320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1548 -ip 1548
1⤵
PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

3

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2