1bb76901f992100d6b323a70b3324f4850aea1d069c3d956f344de94d93ebc33

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	cb4177d5af25492f761ba914ab1a2d5b.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	cb4177d5af25492f761ba914ab1a2d5b.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	cb4177d5af25492f761ba914ab1a2d5b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cb4177d5af25492f761ba914ab1a2d5b.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	cb4177d5af25492f761ba914ab1a2d5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	cb4177d5af25492f761ba914ab1a2d5b.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	cb4177d5af25492f761ba914ab1a2d5b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	cb4177d5af25492f761ba914ab1a2d5b.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

pid	Process
2868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2516	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2516	2640	cb4177d5af25492f761ba914ab1a2d5b.exe	29
PID 2640 wrote to memory of 2516	2640	cb4177d5af25492f761ba914ab1a2d5b.exe	29
PID 2640 wrote to memory of 2516	2640	cb4177d5af25492f761ba914ab1a2d5b.exe	29
PID 2640 wrote to memory of 2516	2640	cb4177d5af25492f761ba914ab1a2d5b.exe	29
PID 2640 wrote to memory of 2868	2640	cb4177d5af25492f761ba914ab1a2d5b.exe	32
PID 2640 wrote to memory of 2868	2640	cb4177d5af25492f761ba914ab1a2d5b.exe	32
PID 2640 wrote to memory of 2868	2640	cb4177d5af25492f761ba914ab1a2d5b.exe	32
PID 2640 wrote to memory of 2868	2640	cb4177d5af25492f761ba914ab1a2d5b.exe	32

C:\Users\Admin\AppData\Local\Temp\cb4177d5af25492f761ba914ab1a2d5b.exe
"C:\Users\Admin\AppData\Local\Temp\cb4177d5af25492f761ba914ab1a2d5b.exe"
1⤵
- 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 WriteProcessMemory
PID:2640
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2516
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eNHfyKAUV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp70FB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

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

T1082

Virtualization/Sandbox Evasion