Malware Analysis Report

2024-11-13 15:43

Sample ID 231226-vg3kmaecek
Target 7e7fdda992ee5496837a3553b3fdf60a
SHA256 9b7152d2053180c5d13f303ec815a437cc1d6f8d19a9cfb39e02741d7a3feab1
Tags
mercurialgrabber evasion spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9b7152d2053180c5d13f303ec815a437cc1d6f8d19a9cfb39e02741d7a3feab1

Threat Level: Known bad

The file 7e7fdda992ee5496837a3553b3fdf60a was found to be: Known bad.

Malicious Activity Summary

mercurialgrabber evasion spyware stealer

Mercurialgrabber family

Mercurial Grabber Stealer

Looks for VirtualBox Guest Additions in registry

Looks for VMWare Tools registry key

Checks BIOS information in registry

Reads user/profile data of web browsers

Legitimate hosting services abused for malware hosting/C2

Maps connected drives based on registry

Unsigned PE

Enumerates system info in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-26 16:58

Signatures

Mercurialgrabber family

mercurialgrabber

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-26 16:58

Reported

2023-12-28 06:03

Platform

win7-20231215-en

Max time kernel

119s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe"

Signatures

Mercurial Grabber Stealer

stealer mercurialgrabber

Looks for VirtualBox Guest Additions in registry

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe N/A

Looks for VMWare Tools registry key

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe N/A

Reads user/profile data of web browsers

spyware stealer

Legitimate hosting services abused for malware hosting/C2

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe

"C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2028 -s 1004

Network

Country Destination Domain Proto
US 8.8.8.8:53 discord.com udp
US 162.159.137.232:443 discord.com tcp

Files

memory/2028-0-0x0000000000FC0000-0x0000000000FD0000-memory.dmp

memory/2028-1-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

memory/2028-5-0x000000001AAE0000-0x000000001AB60000-memory.dmp

memory/2028-6-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

memory/2028-7-0x000000001AAE0000-0x000000001AB60000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-26 16:58

Reported

2023-12-28 06:02

Platform

win10v2004-20231215-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A