Malware Analysis Report

2025-01-02 09:43

Sample ID 240904-f7gnhswhkg
Target 34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef
SHA256 34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef
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

34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef

Threat Level: Known bad

The file 34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Downloads MZ/PE file

Checks computer location settings

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-04 05:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-04 05:30

Reported

2024-09-04 05:33

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

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\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.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:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.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\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe

"C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2072 -ip 2072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 452

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2072 -ip 2072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 452

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2072 -ip 2072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2072 -ip 2072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 788

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2072 -ip 2072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 808

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2072 -ip 2072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2072 -ip 2072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 912

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2072 -ip 2072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2072 -ip 2072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 1544

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2072 -ip 2072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 1512

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp

Files

memory/2072-1-0x0000000000470000-0x0000000000570000-memory.dmp

memory/2072-2-0x0000000002190000-0x00000000021CB000-memory.dmp

memory/2072-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/2072-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/2072-13-0x0000000000470000-0x0000000000570000-memory.dmp

memory/2072-14-0x0000000000400000-0x000000000044D000-memory.dmp

memory/2072-16-0x0000000002190000-0x00000000021CB000-memory.dmp

memory/2072-17-0x0000000000400000-0x000000000043F000-memory.dmp

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

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/2072-35-0x0000000000400000-0x000000000044D000-memory.dmp

memory/2072-36-0x0000000000400000-0x000000000043F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 05:30

Reported

2024-09-04 05:33

Platform

win11-20240802-en

Max time kernel

91s

Max time network

93s

Command Line

"C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe

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\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.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\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe

"C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3560 -ip 3560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 472

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3560 -ip 3560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3560 -ip 3560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3560 -ip 3560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3560 -ip 3560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 832

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3560 -ip 3560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 872

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3560 -ip 3560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 960

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3560 -ip 3560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 1068

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3560 -ip 3560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 1104

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3560 -ip 3560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 1756

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3560 -ip 3560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 1784

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.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/3560-1-0x0000000000660000-0x0000000000760000-memory.dmp

memory/3560-2-0x00000000022D0000-0x000000000230B000-memory.dmp

memory/3560-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/3560-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/3560-13-0x0000000000660000-0x0000000000760000-memory.dmp

memory/3560-15-0x0000000000400000-0x000000000044D000-memory.dmp

memory/3560-16-0x00000000022D0000-0x000000000230B000-memory.dmp

memory/3560-17-0x0000000000400000-0x000000000043F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BP5TNA7\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/3560-29-0x0000000000400000-0x000000000044D000-memory.dmp

memory/3560-35-0x0000000000400000-0x000000000044D000-memory.dmp

memory/3560-36-0x0000000000400000-0x000000000043F000-memory.dmp