mercurialgrabber | ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec

Virtualization/Sandbox Evasion

Processes:

ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.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:

ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.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

24 ip4.seeip.org
26 ip-api.com
21 ip4.seeip.org

flow	ioc
24	ip4.seeip.org
26	ip-api.com
21	ip4.seeip.org

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:

ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4500 1592 WerFault.exe ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

pid	pid_target	process	target process
4500	1592	WerFault.exe	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.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:

ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.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:

ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

System Information Discovery

Processes:

ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

description pid process

Token: SeDebugPrivilege 1592 ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

description	pid	process
Token: SeDebugPrivilege	1592	ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe

C:\Users\Admin\AppData\Local\Temp\ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.exe
"C:\Users\Admin\AppData\Local\Temp\ae5cb1e8cdf7c298ddcaec79334a954a8a34d98a58e3aa857c2f75373dcd08ec.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:1592

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1592 -s 1572
2⤵
- Program crash
PID:4500

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 188 -p 1592 -ip 1592
1⤵
PID:4596

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