Malware Analysis Report

2025-01-02 09:43

Sample ID 240904-q7nryasfnb
Target 58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151
SHA256 58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151
Tags
gcleaner discovery loader
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

58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151

Threat Level: Known bad

The file 58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151 was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Checks computer location settings

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Kills process with taskkill

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-04 13:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-04 13:54

Reported

2024-09-04 13:56

Platform

win10v2004-20240802-en

Max time kernel

91s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe"

Signatures

GCleaner

loader gcleaner

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe

"C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3552 -ip 3552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 740

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3552 -ip 3552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 752

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3552 -ip 3552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 740

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 3552 -ip 3552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 812

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 3552 -ip 3552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 3552 -ip 3552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 956

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 3552 -ip 3552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 1428

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 3552 -ip 3552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 1440

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
RU 80.66.75.114:80 80.66.75.114 tcp
US 8.8.8.8:53 114.75.66.80.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/3552-1-0x0000000000670000-0x0000000000770000-memory.dmp

memory/3552-2-0x0000000002190000-0x00000000021BD000-memory.dmp

memory/3552-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3552-8-0x0000000000670000-0x0000000000770000-memory.dmp

memory/3552-9-0x0000000000400000-0x000000000044A000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\951G8FD5\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/3552-11-0x0000000002190000-0x00000000021BD000-memory.dmp

memory/3552-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3552-21-0x0000000000400000-0x000000000044A000-memory.dmp

memory/3552-22-0x0000000000400000-0x000000000042F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 13:54

Reported

2024-09-04 13:56

Platform

win11-20240802-en

Max time kernel

92s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe"

Signatures

GCleaner

loader gcleaner

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe

"C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 3304 -ip 3304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3304 -ip 3304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3304 -ip 3304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 828

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3304 -ip 3304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 852

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3304 -ip 3304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 952

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3304 -ip 3304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 960

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3304 -ip 3304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 1356

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3304 -ip 3304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 1328

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" /f

Network

Country Destination Domain Proto
RU 80.66.75.114:80 80.66.75.114 tcp
US 8.8.8.8:53 114.75.66.80.in-addr.arpa udp

Files

memory/3304-1-0x0000000000550000-0x0000000000650000-memory.dmp

memory/3304-2-0x00000000022A0000-0x00000000022CD000-memory.dmp

memory/3304-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3304-8-0x0000000000550000-0x0000000000650000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\12KX1S8M\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/3304-10-0x0000000000400000-0x000000000044A000-memory.dmp

memory/3304-11-0x00000000022A0000-0x00000000022CD000-memory.dmp

memory/3304-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3304-21-0x0000000000400000-0x000000000044A000-memory.dmp

memory/3304-22-0x0000000000400000-0x000000000042F000-memory.dmp