50b2b6803b44585b6b2b504af9b0102788c7195c97fc61ff3c1a14747de41113

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	MoUSO.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2.exe

Executes dropped EXE 1 IoCs

pid	Process
1632	MoUSO.exe

Checks BIOS information in registry 2 TTPs 4 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	2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	MoUSO.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	MoUSO.exe

Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Wine	2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Wine	MoUSO.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
360	2.exe
1632	MoUSO.exe

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

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

pid	Process
324	schtasks.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	2.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
360	2.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe
1632	MoUSO.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 360 wrote to memory of 324	360	2.exe	28
PID 360 wrote to memory of 324	360	2.exe	28
PID 360 wrote to memory of 324	360	2.exe	28
PID 360 wrote to memory of 324	360	2.exe	28
PID 1764 wrote to memory of 1632	1764	taskeng.exe	31
PID 1764 wrote to memory of 1632	1764	taskeng.exe	31
PID 1764 wrote to memory of 1632	1764	taskeng.exe	31
PID 1764 wrote to memory of 1632	1764	taskeng.exe	31

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:360
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /TN Cache-S-21-2946144819-3e21f723 /TR "C:\Users\Admin\AppData\Local\cache\MoUSO.exe"
  2⤵
  - Creates scheduled task(s)
  PID:324

C:\Windows\system32\taskeng.exe
taskeng.exe {0C5FEA86-9FD5-4929-BC51-16B17DB47FFB} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Users\Admin\AppData\Local\cache\MoUSO.exe
  C:\Users\Admin\AppData\Local\cache\MoUSO.exe
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:1632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

T1082

Virtualization/Sandbox Evasion