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
1392	powershell.exe
2604	powershell.exe
1656	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

T1082

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

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

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 4 IoCs

Processes:

b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exeRegSvcs.execmd.exe

description	pid	Process	procid_target
PID 2872 set thread context of 2388	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	40
PID 2388 set thread context of 1184	2388	RegSvcs.exe	21
PID 2388 set thread context of 1184	2388	RegSvcs.exe	21
PID 2392 set thread context of 1184	2392	cmd.exe	21

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 8 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:

RegSvcs.execmd.execmd.exeb7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exepowershell.exepowershell.exeschtasks.exepowershell.exe

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

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
2660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

powershell.exepowershell.exepowershell.exeb7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exeRegSvcs.execmd.exe

pid	Process
1392	powershell.exe
1656	powershell.exe
2604	powershell.exe
2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe
2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe
2388	RegSvcs.exe
2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe
2388	RegSvcs.exe
2388	RegSvcs.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe
2392	cmd.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

RegSvcs.execmd.exe

pid	Process
2388	RegSvcs.exe
2388	RegSvcs.exe
2388	RegSvcs.exe
2388	RegSvcs.exe
2392	cmd.exe
2392	cmd.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

powershell.exepowershell.exepowershell.exeb7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exeRegSvcs.execmd.exe

description	pid	Process
Token: SeDebugPrivilege	1392	powershell.exe
Token: SeDebugPrivilege	1656	powershell.exe
Token: SeDebugPrivilege	2604	powershell.exe
Token: SeDebugPrivilege	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe
Token: SeDebugPrivilege	2388	RegSvcs.exe
Token: SeDebugPrivilege	2392	cmd.exe

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exeRegSvcs.execmd.exe

description	pid	Process	procid_target
PID 2872 wrote to memory of 1656	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	30
PID 2872 wrote to memory of 1656	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	30
PID 2872 wrote to memory of 1656	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	30
PID 2872 wrote to memory of 1656	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	30
PID 2872 wrote to memory of 1392	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	33
PID 2872 wrote to memory of 1392	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	33
PID 2872 wrote to memory of 1392	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	33
PID 2872 wrote to memory of 1392	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	33
PID 2872 wrote to memory of 2660	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	34
PID 2872 wrote to memory of 2660	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	34
PID 2872 wrote to memory of 2660	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	34
PID 2872 wrote to memory of 2660	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	34
PID 2872 wrote to memory of 2604	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	37
PID 2872 wrote to memory of 2604	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	37
PID 2872 wrote to memory of 2604	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	37
PID 2872 wrote to memory of 2604	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	37
PID 2872 wrote to memory of 2928	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	39
PID 2872 wrote to memory of 2928	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	39
PID 2872 wrote to memory of 2928	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	39
PID 2872 wrote to memory of 2928	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	39
PID 2872 wrote to memory of 2928	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	39
PID 2872 wrote to memory of 2928	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	39
PID 2872 wrote to memory of 2928	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	39
PID 2872 wrote to memory of 2388	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	40
PID 2872 wrote to memory of 2388	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	40
PID 2872 wrote to memory of 2388	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	40
PID 2872 wrote to memory of 2388	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	40
PID 2872 wrote to memory of 2388	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	40
PID 2872 wrote to memory of 2388	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	40
PID 2872 wrote to memory of 2388	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	40
PID 2872 wrote to memory of 2388	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	40
PID 2872 wrote to memory of 2388	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	40
PID 2872 wrote to memory of 2388	2872	b7d81877eeba60cdaee88287d4dfc1a7_JaffaCakes118.exe	40
PID 2388 wrote to memory of 2392	2388	RegSvcs.exe	50
PID 2388 wrote to memory of 2392	2388	RegSvcs.exe	50
PID 2388 wrote to memory of 2392	2388	RegSvcs.exe	50
PID 2388 wrote to memory of 2392	2388	RegSvcs.exe	50
PID 2392 wrote to memory of 1812	2392	cmd.exe	51
PID 2392 wrote to memory of 1812	2392	cmd.exe	51
PID 2392 wrote to memory of 1812	2392	cmd.exe	51
PID 2392 wrote to memory of 1812	2392	cmd.exe	51

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- 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
  - 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:2872
- - 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:1656
- - 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:1392
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GKcqhLBL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2B54.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2660
- - 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:2604
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2928
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2388
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:2012
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:1064
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:2244
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:2224
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:2424
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:1944
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:1936
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:660
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:752
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      4⤵
      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:2392
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1812

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

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion