allcome | be1bc698d63cbfc97d75edaa1fe850772d1e082a7b9a24aa5e09ed5b3bdeedde

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	MoUSO.exe

Executes dropped EXE 1 IoCs

pid	Process
2196	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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	MoUSO.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	MoUSO.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral3/memory/4752-135-0x0000000000600000-0x0000000000F1E000-memory.dmp	themida
behavioral3/memory/4752-136-0x0000000000600000-0x0000000000F1E000-memory.dmp	themida
behavioral3/memory/4752-145-0x0000000000600000-0x0000000000F1E000-memory.dmp	themida
behavioral3/memory/4140-150-0x0000000000600000-0x0000000000F1E000-memory.dmp	themida
behavioral3/files/0x000200000001e6c7-151.dat	themida
behavioral3/files/0x000200000001e6c7-152.dat	themida
behavioral3/memory/2196-155-0x0000000000590000-0x0000000000EAE000-memory.dmp	themida
behavioral3/memory/2196-156-0x0000000000590000-0x0000000000EAE000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	MoUSO.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4752 set thread context of 4140	4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	92

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
3672	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
2196	MoUSO.exe
2196	MoUSO.exe
2196	MoUSO.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
Token: SeDebugPrivilege	2196	MoUSO.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 4140	4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	92
PID 4752 wrote to memory of 4140	4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	92
PID 4752 wrote to memory of 4140	4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	92
PID 4752 wrote to memory of 4140	4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	92
PID 4752 wrote to memory of 4140	4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	92
PID 4752 wrote to memory of 4140	4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	92
PID 4752 wrote to memory of 4140	4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	92
PID 4752 wrote to memory of 4140	4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	92
PID 4752 wrote to memory of 4140	4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	92
PID 4752 wrote to memory of 4140	4752	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	92
PID 4140 wrote to memory of 3672	4140	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	93
PID 4140 wrote to memory of 3672	4140	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	93
PID 4140 wrote to memory of 3672	4140	2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe	93
PID 2196 wrote to memory of 1260	2196	MoUSO.exe	96
PID 2196 wrote to memory of 1260	2196	MoUSO.exe	96
PID 2196 wrote to memory of 1260	2196	MoUSO.exe	96
PID 2196 wrote to memory of 1260	2196	MoUSO.exe	96
PID 2196 wrote to memory of 1260	2196	MoUSO.exe	96
PID 2196 wrote to memory of 1260	2196	MoUSO.exe	96
PID 2196 wrote to memory of 1260	2196	MoUSO.exe	96
PID 2196 wrote to memory of 1260	2196	MoUSO.exe	96
PID 2196 wrote to memory of 1260	2196	MoUSO.exe	96
PID 2196 wrote to memory of 1260	2196	MoUSO.exe	96

C:\Users\Admin\AppData\Local\Temp\2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
"C:\Users\Admin\AppData\Local\Temp\2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Users\Admin\AppData\Local\Temp\2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
  "C:\Users\Admin\AppData\Local\Temp\2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4140
- - 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"
    3⤵
    - Creates scheduled task(s)
    PID:3672

C:\Users\Admin\AppData\Local\cache\MoUSO.exe
C:\Users\Admin\AppData\Local\cache\MoUSO.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\cache\MoUSO.exe
  "C:\Users\Admin\AppData\Local\cache\MoUSO.exe"
  2⤵
  PID:1260

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

System Information Discovery