mercurialgrabber | 8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb

Virtualization/Sandbox Evasion

Processes:

8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

Processes:

8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

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

Processes:

8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1748 1388 WerFault.exe 8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

pid	pid_target	process	target process
1748	1388	WerFault.exe	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

Checks SCSI registry key(s) 3 TTPs 1 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

Processes:

8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

System Information Discovery

Processes:

8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe

description	pid	process	target process
PID 1388 wrote to memory of 1748	1388	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe	WerFault.exe
PID 1388 wrote to memory of 1748	1388	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe	WerFault.exe
PID 1388 wrote to memory of 1748	1388	8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe
"C:\Users\Admin\AppData\Local\Temp\8f346ed5d3eddf901407772f2c0c6f5e23047173fd31577fc5f0a4cf69e17ccb.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:1388

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1388 -s 692
2⤵
- Program crash
PID:1748

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

7

Virtualization/Sandbox Evasion

2

System Information Discovery

5