mercurialgrabber | d916e1bc06d731141e84b68db9d0aad809f2892d44d20e4da7e387f7f66e1e42

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.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	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2744	1916	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.exe	32
PID 1916 wrote to memory of 2744	1916	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.exe	32
PID 1916 wrote to memory of 2744	1916	b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.exe	32

C:\Users\Admin\AppData\Local\Temp\b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.exe
"C:\Users\Admin\AppData\Local\Temp\b2c7aa4ca944e68737d9a4ba5d07902504fef7728df7e8aac79afc93e427992a.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:1916
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1916 -s 768
  2⤵
  PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

5

Virtualization/Sandbox Evasion

2

Lateral Movement

Collection

Data from Local System