Malware Analysis Report

2024-11-30 15:53

Sample ID 220930-wfeylsece5
Target df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec
SHA256 df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec
Tags
mercurialgrabber evasion spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec

Threat Level: Known bad

The file df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec 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

Reads user/profile data of web browsers

Checks BIOS information in registry

Legitimate hosting services abused for malware hosting/C2

Maps connected drives based on registry

Program crash

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Checks SCSI registry key(s)

Suspicious use of WriteProcessMemory

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-09-30 17:51

Signatures

Mercurialgrabber family

mercurialgrabber

Analysis: behavioral1

Detonation Overview

Submitted

2022-09-30 17:51

Reported

2022-09-30 17:54

Platform

win7-20220812-en

Max time kernel

42s

Max time network

45s

Command Line

"C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.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\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.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\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.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\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.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\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.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\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe

"C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1912 -s 1272

Network

Country Destination Domain Proto
US 8.8.8.8:53 discord.com udp
US 162.159.128.233:443 discord.com tcp

Files

memory/1912-54-0x0000000000970000-0x0000000000980000-memory.dmp

memory/924-55-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-09-30 17:51

Reported

2022-09-30 17:54

Platform

win10v2004-20220812-en

Max time kernel

106s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.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\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.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\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.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\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.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\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.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\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe

"C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 432 -p 3664 -ip 3664

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 3664 -s 2028

Network

Country Destination Domain Proto
US 8.8.8.8:53 discord.com udp
US 162.159.128.233:443 discord.com tcp
US 162.159.128.233:443 discord.com tcp
US 52.109.13.63:443 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 96.108.152.52.in-addr.arpa udp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 d.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa udp
US 93.184.221.240:80 tcp

Files

memory/3664-132-0x0000000000D90000-0x0000000000DA0000-memory.dmp

memory/3664-133-0x00007FFE810B0000-0x00007FFE81B71000-memory.dmp

memory/3664-134-0x00007FFE810B0000-0x00007FFE81B71000-memory.dmp

memory/3664-135-0x00007FFE810B0000-0x00007FFE81B71000-memory.dmp