Malware Analysis Report

2024-11-30 15:51

Sample ID 220907-lmh9habfb3
Target a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde
SHA256 a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde
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

a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde

Threat Level: Known bad

The file a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde 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

Looks up external IP address via web service

Program crash

Checks SCSI registry key(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-09-07 09:38

Signatures

Mercurialgrabber family

mercurialgrabber

Analysis: behavioral1

Detonation Overview

Submitted

2022-09-07 09:38

Reported

2022-09-07 09:41

Platform

win7-20220812-en

Max time kernel

52s

Max time network

55s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe

"C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1824 -s 1452

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 162.159.135.232:443 discord.com tcp

Files

memory/1824-54-0x0000000000D20000-0x0000000000D32000-memory.dmp

memory/1944-55-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-09-07 09:38

Reported

2022-09-07 09:41

Platform

win10v2004-20220812-en

Max time kernel

154s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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 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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.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\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe

"C:\Users\Admin\AppData\Local\Temp\a06603e7b38c94a412964efcdf34b3d5bbbad837459137f656094441218fcbde.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 432 -p 1336 -ip 1336

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1336 -s 2160

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
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 162.159.135.232:443 discord.com tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 93.184.220.29:80 tcp

Files

memory/1336-132-0x00000000002C0000-0x00000000002D2000-memory.dmp

memory/1336-133-0x00007FF87D9B0000-0x00007FF87E471000-memory.dmp

memory/1336-134-0x00007FF87D9B0000-0x00007FF87E471000-memory.dmp

memory/1336-135-0x00007FF87D9B0000-0x00007FF87E471000-memory.dmp