fatalrat | 47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Powermonster.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation	47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe

Executes dropped EXE 1 IoCs

pid	Process
4256	Powermonster.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Wine	Powermonster.exe

Loads dropped DLL 1 IoCs

pid	Process
4256	Powermonster.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yxfile = "C:\\Users\\Admin\\AppData\\Local\\Powermonster.exe"	Powermonster.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4256	Powermonster.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4256	Powermonster.exe
4256	Powermonster.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4256	Powermonster.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 4256	1396	47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe	91
PID 1396 wrote to memory of 4256	1396	47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe	91
PID 1396 wrote to memory of 4256	1396	47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe	91

C:\Users\Admin\AppData\Local\Temp\47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe
"C:\Users\Admin\AppData\Local\Temp\47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Users\Public\Pictures\Powermonster.exe
  "C:\Users\Public\Pictures\Powermonster.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

3

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2