formbook | 003516e2f71004adc351d3d03f41c642c5f56f9ea1ac4d3369ec51550e69e0f1

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	f92d115c8a7e6a38aade6aad038c49dd_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
4280	powershell.exe
1688	powershell.exe
2704	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	f92d115c8a7e6a38aade6aad038c49dd_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	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f92d115c8a7e6a38aade6aad038c49dd_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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	f92d115c8a7e6a38aade6aad038c49dd_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	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1916 set thread context of 2636	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	98
PID 2636 set thread context of 3420	2636	RegSvcs.exe	56
PID 2636 set thread context of 3420	2636	RegSvcs.exe	56
PID 4488 set thread context of 3420	4488	ipconfig.exe	56

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 7 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	f92d115c8a7e6a38aade6aad038c49dd_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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

Command and Scripting Interpreter

T1059

pid	Process
4488	ipconfig.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
3616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 49 IoCs

pid	Process
4280	powershell.exe
1688	powershell.exe
4280	powershell.exe
1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe
2636	RegSvcs.exe
2636	RegSvcs.exe
2636	RegSvcs.exe
2636	RegSvcs.exe
2704	powershell.exe
1688	powershell.exe
2704	powershell.exe
2636	RegSvcs.exe
2636	RegSvcs.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe
4488	ipconfig.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2636	RegSvcs.exe
2636	RegSvcs.exe
2636	RegSvcs.exe
2636	RegSvcs.exe
4488	ipconfig.exe
4488	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	4280	powershell.exe
Token: SeDebugPrivilege	1688	powershell.exe
Token: SeDebugPrivilege	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe
Token: SeDebugPrivilege	2636	RegSvcs.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE
Token: SeDebugPrivilege	4488	ipconfig.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 4280	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	91
PID 1916 wrote to memory of 4280	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	91
PID 1916 wrote to memory of 4280	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	91
PID 1916 wrote to memory of 1688	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	93
PID 1916 wrote to memory of 1688	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	93
PID 1916 wrote to memory of 1688	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	93
PID 1916 wrote to memory of 3616	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	95
PID 1916 wrote to memory of 3616	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	95
PID 1916 wrote to memory of 3616	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	95
PID 1916 wrote to memory of 2704	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	97
PID 1916 wrote to memory of 2704	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	97
PID 1916 wrote to memory of 2704	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	97
PID 1916 wrote to memory of 2636	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	98
PID 1916 wrote to memory of 2636	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	98
PID 1916 wrote to memory of 2636	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	98
PID 1916 wrote to memory of 2636	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	98
PID 1916 wrote to memory of 2636	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	98
PID 1916 wrote to memory of 2636	1916	f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe	98
PID 3420 wrote to memory of 4488	3420	Explorer.EXE	100
PID 3420 wrote to memory of 4488	3420	Explorer.EXE	100
PID 3420 wrote to memory of 4488	3420	Explorer.EXE	100
PID 4488 wrote to memory of 1292	4488	ipconfig.exe	101
PID 4488 wrote to memory of 1292	4488	ipconfig.exe	101
PID 4488 wrote to memory of 1292	4488	ipconfig.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Users\Admin\AppData\Local\Temp\f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe"
  2⤵
  - 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:1916
- - 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\f92d115c8a7e6a38aade6aad038c49dd_JaffaCakes118.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4280
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XmlcHWnTkL.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1688
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XmlcHWnTkL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp54A3.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3616
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XmlcHWnTkL.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2704
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2636
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4488
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1292

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