buer | ec5dde3e68cf7ed672be82433da49a7c44bb2c109956b2b29161e0b3f34b025e

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4f6928ac042fe087533e8d7f4fbc4b74_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	plugin.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\SystemBiosVersion	4f6928ac042fe087533e8d7f4fbc4b74_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4f6928ac042fe087533e8d7f4fbc4b74_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	plugin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	plugin.exe

Deletes itself 1 IoCs

pid	Process
1980	plugin.exe

Executes dropped EXE 1 IoCs

pid	Process
1980	plugin.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-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	4f6928ac042fe087533e8d7f4fbc4b74_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	plugin.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2588	4f6928ac042fe087533e8d7f4fbc4b74_JaffaCakes118.exe
1980	plugin.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
316	2384	WerFault.exe	87
556	1980	WerFault.exe	83

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2588	4f6928ac042fe087533e8d7f4fbc4b74_JaffaCakes118.exe
2588	4f6928ac042fe087533e8d7f4fbc4b74_JaffaCakes118.exe
1980	plugin.exe
1980	plugin.exe
1980	plugin.exe
1980	plugin.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 1980	2588	4f6928ac042fe087533e8d7f4fbc4b74_JaffaCakes118.exe	83
PID 2588 wrote to memory of 1980	2588	4f6928ac042fe087533e8d7f4fbc4b74_JaffaCakes118.exe	83
PID 2588 wrote to memory of 1980	2588	4f6928ac042fe087533e8d7f4fbc4b74_JaffaCakes118.exe	83
PID 1980 wrote to memory of 2384	1980	plugin.exe	87
PID 1980 wrote to memory of 2384	1980	plugin.exe	87
PID 1980 wrote to memory of 2384	1980	plugin.exe	87
PID 1980 wrote to memory of 2384	1980	plugin.exe	87
PID 1980 wrote to memory of 2384	1980	plugin.exe	87
PID 1980 wrote to memory of 2384	1980	plugin.exe	87
PID 1980 wrote to memory of 2384	1980	plugin.exe	87
PID 1980 wrote to memory of 2384	1980	plugin.exe	87
PID 1980 wrote to memory of 2384	1980	plugin.exe	87
PID 1980 wrote to memory of 2384	1980	plugin.exe	87
PID 1980 wrote to memory of 2384	1980	plugin.exe	87
PID 1980 wrote to memory of 2384	1980	plugin.exe	87

C:\Users\Admin\AppData\Local\Temp\4f6928ac042fe087533e8d7f4fbc4b74_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4f6928ac042fe087533e8d7f4fbc4b74_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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2588
- C:\ProgramData\UBlockPlugin\plugin.exe
  C:\ProgramData\UBlockPlugin\plugin.exe "C:\Users\Admin\AppData\Local\Temp\4f6928ac042fe087533e8d7f4fbc4b74_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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Windows\SysWOW64\secinit.exe
    C:\ProgramData\UBlockPlugin\plugin.exe
    3⤵
    PID:2384
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 220
      4⤵
      Program crash
      PID:316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 1128
    3⤵
    - Program crash
    PID:556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2384 -ip 2384
1⤵
PID:532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1980 -ip 1980
1⤵
PID:1064

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

Virtualization/Sandbox Evasion

2