formbook | 8eb59f34b6e1c465b4b3c45402ed8d59fc136f024fe97d0cdf94f3c22dc20cb0

Virtualization/Sandbox Evasion

Processes:

b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	b7d81877eeba60cdaee88287d4dfc1a7_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

Processes:

powershell.exepowershell.exepowershell.exe

pid	Process
4900	powershell.exe
4556	powershell.exe
1128	powershell.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	b7d81877eeba60cdaee88287d4dfc1a7_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

Processes:

b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b7d81877eeba60cdaee88287d4dfc1a7_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

Processes:

b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	b7d81877eeba60cdaee88287d4dfc1a7_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

Processes:

b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exeRegSvcs.exesvchost.exe

description	pid	Process	procid_target
PID 4180 set thread context of 1396	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	108
PID 1396 set thread context of 3520	1396	RegSvcs.exe	56
PID 2864 set thread context of 3520	2864	svchost.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

Processes:

cmd.exeb7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exepowershell.exepowershell.exeschtasks.exepowershell.exesvchost.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7d81877eeba60cdaee88287d4dfc1a7_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	svchost.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

Processes:

schtasks.exe

pid	Process
1812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 51 IoCs

Processes:

powershell.exepowershell.exeb7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exeRegSvcs.exepowershell.exesvchost.exe

pid	Process
4900	powershell.exe
4900	powershell.exe
4556	powershell.exe
4556	powershell.exe
4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe
1396	RegSvcs.exe
1396	RegSvcs.exe
1396	RegSvcs.exe
1396	RegSvcs.exe
1128	powershell.exe
1128	powershell.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exesvchost.exe

pid	Process
1396	RegSvcs.exe
1396	RegSvcs.exe
1396	RegSvcs.exe
2864	svchost.exe
2864	svchost.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

powershell.exepowershell.exeb7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exeRegSvcs.exeExplorer.EXEpowershell.exesvchost.exe

description	pid	Process
Token: SeDebugPrivilege	4900	powershell.exe
Token: SeDebugPrivilege	4556	powershell.exe
Token: SeDebugPrivilege	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe
Token: SeDebugPrivilege	1396	RegSvcs.exe
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeDebugPrivilege	1128	powershell.exe
Token: SeDebugPrivilege	2864	svchost.exe
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exeExplorer.EXEsvchost.exe

description	pid	Process	procid_target
PID 4180 wrote to memory of 4900	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	101
PID 4180 wrote to memory of 4900	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	101
PID 4180 wrote to memory of 4900	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	101
PID 4180 wrote to memory of 4556	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	103
PID 4180 wrote to memory of 4556	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	103
PID 4180 wrote to memory of 4556	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	103
PID 4180 wrote to memory of 1812	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	105
PID 4180 wrote to memory of 1812	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	105
PID 4180 wrote to memory of 1812	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	105
PID 4180 wrote to memory of 1128	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	107
PID 4180 wrote to memory of 1128	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	107
PID 4180 wrote to memory of 1128	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	107
PID 4180 wrote to memory of 1396	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	108
PID 4180 wrote to memory of 1396	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	108
PID 4180 wrote to memory of 1396	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	108
PID 4180 wrote to memory of 1396	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	108
PID 4180 wrote to memory of 1396	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	108
PID 4180 wrote to memory of 1396	4180	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	108
PID 3520 wrote to memory of 2864	3520	Explorer.EXE	110
PID 3520 wrote to memory of 2864	3520	Explorer.EXE	110
PID 3520 wrote to memory of 2864	3520	Explorer.EXE	110
PID 2864 wrote to memory of 2848	2864	svchost.exe	111
PID 2864 wrote to memory of 2848	2864	svchost.exe	111
PID 2864 wrote to memory of 2848	2864	svchost.exe	111

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Users\Admin\AppData\Local\Temp\b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b7d81877eeba60cdaee88287d4dfc1a7_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:4180
- - 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\b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4900
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GKcqhLBL.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4556
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GKcqhLBL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp16CF.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1812
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GKcqhLBL.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1128
- - 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:1396
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2864
- - 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:2848

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