buer | a5a60f5bef193b80117238e77eb20fccf1c72809dbf5af44bc588ab591b41c61

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	630ab459be2675ab53b9a3e4eeba9110_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	630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	630ab459be2675ab53b9a3e4eeba9110_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
1716	plugin.exe

Executes dropped EXE 1 IoCs

pid	Process
1716	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-1-5-21-2721934792-624042501-2768869379-1000\Software\Wine	630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Wine	plugin.exe

Loads dropped DLL 2 IoCs

pid	Process
2088	630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe
2088	630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.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\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\UBlock = "C:\\Users\\Admin\\AppData\\Roaming\\UBlockPlugin\\plugin.exe"	630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2088	630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe
1716	plugin.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1604	1652	WerFault.exe	31

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2088	630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe
1716	plugin.exe
1716	plugin.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 1716	2088	630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe	30
PID 2088 wrote to memory of 1716	2088	630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe	30
PID 2088 wrote to memory of 1716	2088	630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe	30
PID 2088 wrote to memory of 1716	2088	630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe	30
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1716 wrote to memory of 1652	1716	plugin.exe	31
PID 1652 wrote to memory of 1604	1652	secinit.exe	32
PID 1652 wrote to memory of 1604	1652	secinit.exe	32
PID 1652 wrote to memory of 1604	1652	secinit.exe	32
PID 1652 wrote to memory of 1604	1652	secinit.exe	32

C:\Users\Admin\AppData\Local\Temp\630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Users\Admin\AppData\Roaming\UBlockPlugin\plugin.exe
  C:\Users\Admin\AppData\Roaming\UBlockPlugin\plugin.exe "C:\Users\Admin\AppData\Local\Temp\630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe" ensgJJ
  2⤵
  - 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:1716
- - C:\Windows\SysWOW64\secinit.exe
    C:\Users\Admin\AppData\Roaming\UBlockPlugin\plugin.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1652
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 136
      4⤵
      Program crash
      PID:1604

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

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

3

System Information Discovery

T1082

Virtualization/Sandbox Evasion

2