Malware Analysis Report

2025-01-02 09:40

Sample ID 240902-tx6fsatfmn
Target d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0
SHA256 d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0
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

d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0

Threat Level: Known bad

The file d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0 was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Checks computer location settings

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Kills process with taskkill

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-02 16:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-02 16:27

Reported

2024-09-02 16:29

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.exe"

Signatures

GCleaner

loader gcleaner

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.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\d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.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\d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.exe

"C:\Users\Admin\AppData\Local\Temp\d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3416 -ip 3416

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 1276

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
RU 80.66.75.114:80 80.66.75.114 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 114.75.66.80.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 88.238.56.23.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/3416-1-0x0000000000590000-0x0000000000690000-memory.dmp

memory/3416-2-0x0000000002070000-0x000000000209D000-memory.dmp

memory/3416-3-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3HDB1LPD\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/3416-9-0x0000000000590000-0x0000000000690000-memory.dmp

memory/3416-10-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3416-12-0x0000000002070000-0x000000000209D000-memory.dmp

memory/3416-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3416-21-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3416-22-0x0000000000400000-0x000000000042F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-02 16:27

Reported

2024-09-02 16:29

Platform

win11-20240802-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.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\d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.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\d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.exe

"C:\Users\Admin\AppData\Local\Temp\d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "d567be5711b1b8df25432a6d4dee4826da4b3ef3aa8b610cb486bf4640eb4ea0.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4468 -ip 4468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 1448

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/4468-1-0x0000000000700000-0x0000000000800000-memory.dmp

memory/4468-2-0x00000000022A0000-0x00000000022CD000-memory.dmp

memory/4468-3-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MF0NALEG\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/4468-9-0x0000000000700000-0x0000000000800000-memory.dmp

memory/4468-11-0x00000000022A0000-0x00000000022CD000-memory.dmp

memory/4468-12-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4468-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4468-21-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4468-22-0x0000000000400000-0x000000000042F000-memory.dmp