Malware Analysis Report

2025-05-28 15:56

Sample ID 250515-kvc7sacl3s
Target BilderAlina.exe
SHA256 640ef4bd63a995a853cc37fa2943718892af6ed6e5f6e45b128fd8291e0e279b
Tags
mercurialgrabber defense_evasion spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

640ef4bd63a995a853cc37fa2943718892af6ed6e5f6e45b128fd8291e0e279b

Threat Level: Known bad

The file BilderAlina.exe was found to be: Known bad.

Malicious Activity Summary

mercurialgrabber defense_evasion spyware stealer

Mercurial Grabber Stealer

Mercurialgrabber family

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

Looks up external IP address via web service

Maps connected drives based on registry

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Enumerates system info in registry

Checks SCSI registry key(s)

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-05-15 08:54

Signatures

Mercurialgrabber family

mercurialgrabber

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-05-15 08:54

Reported

2025-05-15 08:57

Platform

win10v2004-20250502-en

Max time kernel

103s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\BilderAlina.exe"

Signatures

Mercurial Grabber Stealer

stealer mercurialgrabber

Mercurialgrabber family

mercurialgrabber

Looks for VirtualBox Guest Additions in registry

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

Looks for VMWare Tools registry key

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

Reads user/profile data of web browsers

spyware stealer

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip4.seeip.org N/A N/A
N/A ip-api.com N/A N/A

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\BilderAlina.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\BilderAlina.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\BilderAlina.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\BilderAlina.exe N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\BilderAlina.exe N/A

Enumerates system info in registry

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\BilderAlina.exe

"C:\Users\Admin\AppData\Local\Temp\BilderAlina.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip4.seeip.org udp
US 23.128.64.141:443 ip4.seeip.org tcp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 discord.com udp
US 162.159.138.232:443 discord.com tcp
US 162.159.138.232:443 discord.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 c.pki.goog udp
FR 142.251.37.35:80 c.pki.goog tcp

Files

memory/1908-0-0x00000000009A0000-0x00000000009B0000-memory.dmp

memory/1908-1-0x00007FFB32803000-0x00007FFB32805000-memory.dmp

memory/1908-2-0x00007FFB32800000-0x00007FFB332C1000-memory.dmp

memory/1908-3-0x00007FFB32800000-0x00007FFB332C1000-memory.dmp

memory/1908-7-0x00007FFB32800000-0x00007FFB332C1000-memory.dmp