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

T1082

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

Deletes itself 1 IoCs

pid	Process
2428	cmd.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

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	0CT2020PI.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	0CT2020PI.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2268 set thread context of 3040	2268	0CT2020PI.exe	35
PID 3040 set thread context of 1112	3040	0CT2020PI.exe	20
PID 3040 set thread context of 1112	3040	0CT2020PI.exe	20
PID 2036 set thread context of 1112	2036	raserver.exe	20

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	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2864	powershell.exe
3040	0CT2020PI.exe
3040	0CT2020PI.exe
3040	0CT2020PI.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe
2036	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3040	0CT2020PI.exe
3040	0CT2020PI.exe
3040	0CT2020PI.exe
3040	0CT2020PI.exe
2036	raserver.exe
2036	raserver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	powershell.exe
Token: SeDebugPrivilege	3040	0CT2020PI.exe
Token: SeDebugPrivilege	2036	raserver.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2864	2268	0CT2020PI.exe	32
PID 2268 wrote to memory of 2864	2268	0CT2020PI.exe	32
PID 2268 wrote to memory of 2864	2268	0CT2020PI.exe	32
PID 2268 wrote to memory of 2864	2268	0CT2020PI.exe	32
PID 2268 wrote to memory of 3040	2268	0CT2020PI.exe	35
PID 2268 wrote to memory of 3040	2268	0CT2020PI.exe	35
PID 2268 wrote to memory of 3040	2268	0CT2020PI.exe	35
PID 2268 wrote to memory of 3040	2268	0CT2020PI.exe	35
PID 2268 wrote to memory of 3040	2268	0CT2020PI.exe	35
PID 2268 wrote to memory of 3040	2268	0CT2020PI.exe	35
PID 2268 wrote to memory of 3040	2268	0CT2020PI.exe	35
PID 1112 wrote to memory of 2036	1112	Explorer.EXE	36
PID 1112 wrote to memory of 2036	1112	Explorer.EXE	36
PID 1112 wrote to memory of 2036	1112	Explorer.EXE	36
PID 1112 wrote to memory of 2036	1112	Explorer.EXE	36
PID 2036 wrote to memory of 2428	2036	raserver.exe	37
PID 2036 wrote to memory of 2428	2036	raserver.exe	37
PID 2036 wrote to memory of 2428	2036	raserver.exe	37
PID 2036 wrote to memory of 2428	2036	raserver.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1112
- 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:2268
- - 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:2864
- - 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:3040
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:2036
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\0CT2020PI.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion