mercurialgrabber | af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062

Virtualization/Sandbox Evasion

Processes:

af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.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:

af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

19 ip4.seeip.org
21 ip4.seeip.org
25 ip-api.com

flow	ioc
19	ip4.seeip.org
21	ip4.seeip.org
25	ip-api.com

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:

af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3068 1112 WerFault.exe af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

pid	pid_target	process	target process
3068	1112	WerFault.exe	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.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:

af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.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:

af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

System Information Discovery

Processes:

af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

description pid process

Token: SeDebugPrivilege 1112 af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

description	pid	process
Token: SeDebugPrivilege	1112	af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe

C:\Users\Admin\AppData\Local\Temp\af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.exe
"C:\Users\Admin\AppData\Local\Temp\af24afea10c8961f939f1013f9fa1d9ca6dafdb14b7968e1b721db6477082062.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 AdjustPrivilegeToken
PID:1112

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1112 -s 2024
2⤵
- Program crash
PID:3068

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 376 -p 1112 -ip 1112
1⤵
PID:64

Network

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