formbook | 391f96154aa7c7d4f4616e3746a3a533652f64419f711c8510c99e01ffa78c61

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe

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	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1048 set thread context of 3680	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	99

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 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	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
228	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3280	powershell.exe
3280	powershell.exe
1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe
3680	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe
3680	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3280	powershell.exe
Token: SeDebugPrivilege	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 3280	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	95
PID 1048 wrote to memory of 3280	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	95
PID 1048 wrote to memory of 3280	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	95
PID 1048 wrote to memory of 228	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	97
PID 1048 wrote to memory of 228	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	97
PID 1048 wrote to memory of 228	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	97
PID 1048 wrote to memory of 3680	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	99
PID 1048 wrote to memory of 3680	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	99
PID 1048 wrote to memory of 3680	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	99
PID 1048 wrote to memory of 3680	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	99
PID 1048 wrote to memory of 3680	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	99
PID 1048 wrote to memory of 3680	1048	d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe	99

C:\Users\Admin\AppData\Local\Temp\d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Windows security modification
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3280
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qPkAIiP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC1A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:228
- C:\Users\Admin\AppData\Local\Temp\d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d34101f0d1a192f78c01dc6d21a06741_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion