formbook | 87f8354a4aa0548f3bfceba73dc020e8160ad89f1c8b5e41d53f7457c8ba8b93

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	0CT2020PI.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	0CT2020PI.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\SystemBiosVersion	0CT2020PI.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0CT2020PI.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	0CT2020PI.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	0CT2020PI.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	0CT2020PI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	0CT2020PI.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3968 set thread context of 3240	3968	0CT2020PI.exe	93
PID 3240 set thread context of 3392	3240	0CT2020PI.exe	56
PID 2588 set thread context of 3392	2588	ipconfig.exe	56

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\J9rh\wpxmtfhr.exe	ipconfig.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	0CT2020PI.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
2588	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
4620	powershell.exe
4620	powershell.exe
3240	0CT2020PI.exe
3240	0CT2020PI.exe
3240	0CT2020PI.exe
3240	0CT2020PI.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe
2588	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3240	0CT2020PI.exe
3240	0CT2020PI.exe
3240	0CT2020PI.exe
2588	ipconfig.exe
2588	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4620	powershell.exe
Token: SeDebugPrivilege	3240	0CT2020PI.exe
Token: SeDebugPrivilege	2588	ipconfig.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 4620	3968	0CT2020PI.exe	91
PID 3968 wrote to memory of 4620	3968	0CT2020PI.exe	91
PID 3968 wrote to memory of 4620	3968	0CT2020PI.exe	91
PID 3968 wrote to memory of 3240	3968	0CT2020PI.exe	93
PID 3968 wrote to memory of 3240	3968	0CT2020PI.exe	93
PID 3968 wrote to memory of 3240	3968	0CT2020PI.exe	93
PID 3968 wrote to memory of 3240	3968	0CT2020PI.exe	93
PID 3968 wrote to memory of 3240	3968	0CT2020PI.exe	93
PID 3968 wrote to memory of 3240	3968	0CT2020PI.exe	93
PID 3392 wrote to memory of 2588	3392	Explorer.EXE	94
PID 3392 wrote to memory of 2588	3392	Explorer.EXE	94
PID 3392 wrote to memory of 2588	3392	Explorer.EXE	94
PID 2588 wrote to memory of 2432	2588	ipconfig.exe	95
PID 2588 wrote to memory of 2432	2588	ipconfig.exe	95
PID 2588 wrote to memory of 2432	2588	ipconfig.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Users\Admin\AppData\Local\Temp\0CT2020PI.exe
  "C:\Users\Admin\AppData\Local\Temp\0CT2020PI.exe"
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Looks for VirtualBox Guest Additions in registry
  - Looks for VMWare Tools registry key
  - Checks BIOS information in registry
  - Windows security modification
  - Maps connected drives based on registry
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3968
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Get-MpPreference -verbose
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4620
- - C:\Users\Admin\AppData\Local\Temp\0CT2020PI.exe
    "C:\Users\Admin\AppData\Local\Temp\0CT2020PI.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3240
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\0CT2020PI.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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