formbook | ae9e00afc3d70c56b36c68c8499b8fad834ef0382375a1814218985ecd9f8bda

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	2383a9414d20685ba100b1c103be00f6_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
2604	powershell.exe
2876	powershell.exe
1608	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	2383a9414d20685ba100b1c103be00f6_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

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2383a9414d20685ba100b1c103be00f6_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

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1720 set thread context of 1692	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	38

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	2383a9414d20685ba100b1c103be00f6_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
2600	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2876	powershell.exe
1608	powershell.exe
1692	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe
2604	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	powershell.exe
Token: SeDebugPrivilege	1608	powershell.exe
Token: SeDebugPrivilege	2604	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2876	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	30
PID 1720 wrote to memory of 2876	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	30
PID 1720 wrote to memory of 2876	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	30
PID 1720 wrote to memory of 2876	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	30
PID 1720 wrote to memory of 1608	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	33
PID 1720 wrote to memory of 1608	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	33
PID 1720 wrote to memory of 1608	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	33
PID 1720 wrote to memory of 1608	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	33
PID 1720 wrote to memory of 2600	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	35
PID 1720 wrote to memory of 2600	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	35
PID 1720 wrote to memory of 2600	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	35
PID 1720 wrote to memory of 2600	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	35
PID 1720 wrote to memory of 2604	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	37
PID 1720 wrote to memory of 2604	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	37
PID 1720 wrote to memory of 2604	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	37
PID 1720 wrote to memory of 2604	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	37
PID 1720 wrote to memory of 1692	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	38
PID 1720 wrote to memory of 1692	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	38
PID 1720 wrote to memory of 1692	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	38
PID 1720 wrote to memory of 1692	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	38
PID 1720 wrote to memory of 1692	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	38
PID 1720 wrote to memory of 1692	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	38
PID 1720 wrote to memory of 1692	1720	2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe	38

C:\Users\Admin\AppData\Local\Temp\2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- 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\2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2876
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HFXKjdTRGl.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1608
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HFXKjdTRGl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8DED.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2600
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HFXKjdTRGl.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2604
- C:\Users\Admin\AppData\Local\Temp\2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2383a9414d20685ba100b1c103be00f6_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1692

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

2

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2