Malware Analysis Report

2025-01-02 09:44

Sample ID 240905-qbejds1eqq
Target 295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1
SHA256 295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1
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

295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1

Threat Level: Known bad

The file 295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1 was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Downloads MZ/PE file

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Program crash

Suspicious use of WriteProcessMemory

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-05 13:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-05 13:04

Reported

2024-09-05 13:07

Platform

win10v2004-20240802-en

Max time kernel

92s

Max time network

93s

Command Line

"C:\Users\Admin\AppData\Local\Temp\295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.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\295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.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\295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.exe

"C:\Users\Admin\AppData\Local\Temp\295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 620 -ip 620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 456

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 620 -ip 620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 620 -ip 620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 804

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 620 -ip 620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 844

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 620 -ip 620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 880

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 620 -ip 620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 620 -ip 620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 620 -ip 620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 1032

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 620 -ip 620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 1640

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 620 -ip 620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 1604

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.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 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 232.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp

Files

memory/620-1-0x0000000000720000-0x0000000000820000-memory.dmp

memory/620-2-0x0000000002340000-0x000000000237B000-memory.dmp

memory/620-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/620-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/620-13-0x0000000000720000-0x0000000000820000-memory.dmp

memory/620-15-0x0000000000400000-0x00000000005F8000-memory.dmp

memory/620-16-0x0000000002340000-0x000000000237B000-memory.dmp

memory/620-17-0x0000000000400000-0x000000000043F000-memory.dmp

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

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/620-27-0x0000000000400000-0x00000000005F8000-memory.dmp

memory/620-36-0x0000000000400000-0x000000000043F000-memory.dmp

memory/620-35-0x0000000000400000-0x00000000005F8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-05 13:04

Reported

2024-09-05 13:07

Platform

win11-20240802-en

Max time kernel

40s

Max time network

61s

Command Line

"C:\Users\Admin\AppData\Local\Temp\295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

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\295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.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\295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.exe

"C:\Users\Admin\AppData\Local\Temp\295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5436 -ip 5436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5436 -s 476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 5436 -ip 5436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5436 -s 796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 5436 -ip 5436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5436 -s 816

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 5436 -ip 5436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5436 -s 796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5436 -ip 5436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5436 -s 868

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 5436 -ip 5436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5436 -s 976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5436 -ip 5436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5436 -s 1084

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 5436 -ip 5436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5436 -s 1352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 5436 -ip 5436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5436 -s 1648

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 5436 -ip 5436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5436 -s 488

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "295ee98dd61e88593636362a4646a88588dad3412c0ec120c9431c60fb0dd1d1.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
US 52.111.227.11:443 tcp

Files

memory/5436-1-0x00000000009C0000-0x0000000000AC0000-memory.dmp

memory/5436-2-0x0000000002460000-0x000000000249B000-memory.dmp

memory/5436-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/5436-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/5436-13-0x00000000009C0000-0x0000000000AC0000-memory.dmp

memory/5436-15-0x0000000002460000-0x000000000249B000-memory.dmp

memory/5436-17-0x0000000000400000-0x000000000043F000-memory.dmp

memory/5436-16-0x0000000000400000-0x00000000005F8000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JL3S1NU9\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/5436-29-0x0000000000400000-0x00000000005F8000-memory.dmp

memory/5436-36-0x0000000000400000-0x000000000043F000-memory.dmp

memory/5436-35-0x0000000000400000-0x00000000005F8000-memory.dmp