Malware Analysis Report

2024-11-13 15:43

Sample ID 231225-tb34jache6
Target 2ae7db4175f9d9505c859ee83391efd1
SHA256 b994175e56dcb9010fc1412eafb78d95a51262092ecfdf7e3dfc15db68ee75e5
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

b994175e56dcb9010fc1412eafb78d95a51262092ecfdf7e3dfc15db68ee75e5

Threat Level: Known bad

The file 2ae7db4175f9d9505c859ee83391efd1 was found to be: Known bad.

Malicious Activity Summary

mercurialgrabber 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

Maps connected drives based on registry

Unsigned PE

Checks SCSI registry key(s)

Enumerates system info in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-25 15:53

Signatures

Mercurialgrabber family

mercurialgrabber

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 15:53

Reported

2023-12-28 20:38

Platform

win7-20231215-en

Max time kernel

119s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.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\2ae7db4175f9d9505c859ee83391efd1.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\2ae7db4175f9d9505c859ee83391efd1.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\2ae7db4175f9d9505c859ee83391efd1.exe N/A

Reads user/profile data of web browsers

spyware stealer

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\2ae7db4175f9d9505c859ee83391efd1.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.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\2ae7db4175f9d9505c859ee83391efd1.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\2ae7db4175f9d9505c859ee83391efd1.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.exe

"C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2004 -s 1080

Network

Country Destination Domain Proto
US 8.8.8.8:53 discordapp.com udp
US 162.159.135.233:443 discordapp.com tcp

Files

memory/2004-0-0x0000000000070000-0x00000000000A2000-memory.dmp

memory/2004-1-0x000007FEF6100000-0x000007FEF6AEC000-memory.dmp

memory/2004-2-0x000000001AE10000-0x000000001AE90000-memory.dmp

memory/2004-6-0x000007FEF6100000-0x000007FEF6AEC000-memory.dmp

memory/2004-7-0x000000001AE10000-0x000000001AE90000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 15:53

Reported

2023-12-28 20:38

Platform

win10v2004-20231215-en

Max time kernel

142s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.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\2ae7db4175f9d9505c859ee83391efd1.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\2ae7db4175f9d9505c859ee83391efd1.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\2ae7db4175f9d9505c859ee83391efd1.exe N/A

Reads user/profile data of web browsers

spyware stealer

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\2ae7db4175f9d9505c859ee83391efd1.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.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\2ae7db4175f9d9505c859ee83391efd1.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\2ae7db4175f9d9505c859ee83391efd1.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.exe

"C:\Users\Admin\AppData\Local\Temp\2ae7db4175f9d9505c859ee83391efd1.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 discordapp.com udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 23.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 162.159.135.233:443 discordapp.com tcp
US 8.8.8.8:53 233.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 48.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp

Files

memory/4660-0-0x0000000000330000-0x0000000000362000-memory.dmp

memory/4660-5-0x000000001AF50000-0x000000001AF60000-memory.dmp

memory/4660-4-0x00007FFD39670000-0x00007FFD3A131000-memory.dmp

memory/4660-6-0x00007FFD39670000-0x00007FFD3A131000-memory.dmp