gcleaner | d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe

Downloads MZ/PE file 2 IoCs

flow	pid	Process
43	4476	Process not Found
55	2600	BitLockerToGo.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	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe

Executes dropped EXE 1 IoCs

pid	Process
2564	tvgSHvbTV0u.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.

defense_evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-189444705-1272902858-1305688695-1000\Software\Wine	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5100 set thread context of 2600	5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	94

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tvgSHvbTV0u.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2976	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe
5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 2600	5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	94
PID 5100 wrote to memory of 2600	5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	94
PID 5100 wrote to memory of 2600	5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	94
PID 5100 wrote to memory of 2600	5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	94
PID 5100 wrote to memory of 2600	5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	94
PID 5100 wrote to memory of 2600	5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	94
PID 5100 wrote to memory of 2600	5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	94
PID 5100 wrote to memory of 2600	5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	94
PID 5100 wrote to memory of 2600	5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	94
PID 5100 wrote to memory of 2600	5100	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	94
PID 2600 wrote to memory of 2564	2600	BitLockerToGo.exe	109
PID 2600 wrote to memory of 2564	2600	BitLockerToGo.exe	109
PID 2600 wrote to memory of 2564	2600	BitLockerToGo.exe	109

C:\Users\Admin\AppData\Local\Temp\d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe
"C:\Users\Admin\AppData\Local\Temp\d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.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
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - Downloads MZ/PE file
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Users\Admin\AppData\Roaming\ZuBDGrx7\tvgSHvbTV0u.exe
    "C:\Users\Admin\AppData\Roaming\ZuBDGrx7\tvgSHvbTV0u.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2564

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5MjEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODE5ODA3NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjU0MjQ5MTI4Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

3

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Virtualization/Sandbox Evasion

2