5de218dd00c5b6536a8ea373bbe9b9f2079f788a113b847fbd5c39932170a6e6

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

defense_evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.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-1-5-21-814918696-1585701690-3140955116-1000\Control Panel\International\Geo\Nation	d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe

Executes dropped EXE 1 IoCs

pid	Process
4836	d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3500	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3200	d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3200	d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 5056	3200	d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe	89
PID 3200 wrote to memory of 5056	3200	d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe	89
PID 5056 wrote to memory of 3500	5056	cmd.exe	91
PID 5056 wrote to memory of 3500	5056	cmd.exe	91
PID 5056 wrote to memory of 4836	5056	cmd.exe	94
PID 5056 wrote to memory of 4836	5056	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe
"C:\Users\Admin\AppData\Local\Temp\d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5056
- - C:\Windows\system32\timeout.exe
    timeout /t 1 /nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:3500
- - C:\Users\Admin\AppData\Local\Temp\d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe
    "C:\Users\Admin\AppData\Local\Temp\d1a62cde3f49e619203ecf47cdef2cb02a768451ece298279ccf098016885b76.exe" relaunch
    3⤵
    - Executes dropped EXE
    PID:4836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion