formbook | e53afd0b5fd432a725fce3ee514f9bf7e58b54b06c096640c0672faf7eb209b5

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
740	powershell.exe
5116	powershell.exe
3648	powershell.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	fe740e7999ea046c611b6af048228301_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	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	fe740e7999ea046c611b6af048228301_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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	fe740e7999ea046c611b6af048228301_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	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3812 set thread context of 4296	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	107

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 5 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	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2980	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
740	powershell.exe
740	powershell.exe
5116	powershell.exe
3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe
4296	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe
4296	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe
3648	powershell.exe
5116	powershell.exe
3648	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	740	powershell.exe
Token: SeDebugPrivilege	5116	powershell.exe
Token: SeDebugPrivilege	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe
Token: SeDebugPrivilege	3648	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 740	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	100
PID 3812 wrote to memory of 740	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	100
PID 3812 wrote to memory of 740	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	100
PID 3812 wrote to memory of 5116	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	102
PID 3812 wrote to memory of 5116	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	102
PID 3812 wrote to memory of 5116	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	102
PID 3812 wrote to memory of 2980	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	104
PID 3812 wrote to memory of 2980	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	104
PID 3812 wrote to memory of 2980	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	104
PID 3812 wrote to memory of 3648	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	106
PID 3812 wrote to memory of 3648	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	106
PID 3812 wrote to memory of 3648	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	106
PID 3812 wrote to memory of 4296	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	107
PID 3812 wrote to memory of 4296	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	107
PID 3812 wrote to memory of 4296	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	107
PID 3812 wrote to memory of 4296	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	107
PID 3812 wrote to memory of 4296	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	107
PID 3812 wrote to memory of 4296	3812	fe740e7999ea046c611b6af048228301_JaffaCakes118.exe	107

C:\Users\Admin\AppData\Local\Temp\fe740e7999ea046c611b6af048228301_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe740e7999ea046c611b6af048228301_JaffaCakes118.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- 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:3812
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\fe740e7999ea046c611b6af048228301_JaffaCakes118.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:740
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hfeCcdsnBnrre.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5116
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hfeCcdsnBnrre" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7460.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2980
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hfeCcdsnBnrre.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3648
- C:\Users\Admin\AppData\Local\Temp\fe740e7999ea046c611b6af048228301_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fe740e7999ea046c611b6af048228301_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

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