Malware Analysis Report

2024-11-30 15:48

Sample ID 230114-rafkqsch4t
Target LOLXD.exe
SHA256 40d90e4a38dc265d047803df7e224f0d5d80fef69503296170e776213a3f6697
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

40d90e4a38dc265d047803df7e224f0d5d80fef69503296170e776213a3f6697

Threat Level: Known bad

The file LOLXD.exe 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

Reads user/profile data of web browsers

Checks BIOS information in registry

Looks up external IP address via web service

Maps connected drives based on registry

Legitimate hosting services abused for malware hosting/C2

Program crash

Checks SCSI registry key(s)

Enumerates system info in registry

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-14 13:59

Signatures

Mercurialgrabber family

mercurialgrabber

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-14 13:59

Reported

2023-01-14 14:29

Platform

win7-20221111-en

Max time kernel

1591s

Max time network

1596s

Command Line

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

Reads user/profile data of web browsers

spyware stealer

Legitimate hosting services abused for malware hosting/C2

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\system32\WerFault.exe C:\Users\Admin\AppData\Local\Temp\LOLXD.exe

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\LOLXD.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\LOLXD.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\LOLXD.exe N/A

Enumerates system info in registry

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1688 wrote to memory of 1620 N/A C:\Users\Admin\AppData\Local\Temp\LOLXD.exe C:\Windows\system32\WerFault.exe
PID 1688 wrote to memory of 1620 N/A C:\Users\Admin\AppData\Local\Temp\LOLXD.exe C:\Windows\system32\WerFault.exe
PID 1688 wrote to memory of 1620 N/A C:\Users\Admin\AppData\Local\Temp\LOLXD.exe C:\Windows\system32\WerFault.exe

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1688 -s 1456

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 ip4.seeip.org udp
N/A 23.128.64.141:443 ip4.seeip.org tcp
N/A 8.8.8.8:53 ip-api.com udp
N/A 208.95.112.1:80 ip-api.com tcp
N/A 8.8.8.8:53 discord.com udp
N/A 162.159.136.232:443 discord.com tcp
N/A 162.159.136.232:443 discord.com tcp

Files

memory/1688-54-0x00000000010D0000-0x00000000010E0000-memory.dmp

memory/1620-55-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-14 13:59

Reported

2023-01-14 14:29

Platform

win10v2004-20221111-en

Max time kernel

1441s

Max time network

1531s

Command Line

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

Reads user/profile data of web browsers

spyware stealer

Legitimate hosting services abused for malware hosting/C2

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
N/A ip4.seeip.org 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\LOLXD.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\LOLXD.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\system32\WerFault.exe C:\Users\Admin\AppData\Local\Temp\LOLXD.exe

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\LOLXD.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\LOLXD.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\LOLXD.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\LOLXD.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\LOLXD.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName C:\Users\Admin\AppData\Local\Temp\LOLXD.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 C:\Users\Admin\AppData\Local\Temp\LOLXD.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 412 -p 632 -ip 632

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 632 -s 2180

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 ip4.seeip.org udp
N/A 23.128.64.141:443 ip4.seeip.org tcp
N/A 8.8.8.8:53 ip-api.com udp
N/A 208.95.112.1:80 ip-api.com tcp
N/A 8.8.8.8:53 discord.com udp
N/A 162.159.136.232:443 discord.com tcp
N/A 162.159.136.232:443 discord.com tcp
N/A 104.80.225.205:443 tcp
N/A 13.107.21.200:443 tcp

Files

memory/632-132-0x0000000000B40000-0x0000000000B50000-memory.dmp

memory/632-133-0x00007FFF59FD0000-0x00007FFF5AA91000-memory.dmp

memory/632-134-0x00007FFF59FD0000-0x00007FFF5AA91000-memory.dmp

memory/632-135-0x00007FFF59FD0000-0x00007FFF5AA91000-memory.dmp