Malware Analysis Report

2025-01-02 09:40

Sample ID 240901-z8gjpasfqg
Target 894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b
SHA256 894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b
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

894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b

Threat Level: Known bad

The file 894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Downloads MZ/PE file

Checks computer location settings

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Kills process with taskkill

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-01 21:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-01 21:23

Reported

2024-09-01 21:25

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.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\894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.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\894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.exe

"C:\Users\Admin\AppData\Local\Temp\894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2900 -ip 2900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 452

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2900 -ip 2900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2900 -ip 2900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 808

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2900 -ip 2900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 828

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2900 -ip 2900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 892

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2900 -ip 2900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2900 -ip 2900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 1000

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2900 -ip 2900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 1140

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2900 -ip 2900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 1660

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 2900 -ip 2900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 492

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.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 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2900-1-0x0000000000770000-0x0000000000870000-memory.dmp

memory/2900-2-0x0000000002330000-0x000000000236C000-memory.dmp

memory/2900-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/2900-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/2900-13-0x0000000000770000-0x0000000000870000-memory.dmp

memory/2900-16-0x0000000002330000-0x000000000236C000-memory.dmp

memory/2900-15-0x0000000000400000-0x00000000005F9000-memory.dmp

memory/2900-17-0x0000000000400000-0x000000000043F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\OD2FK6XO\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/2900-36-0x0000000000400000-0x000000000043F000-memory.dmp

memory/2900-35-0x0000000000400000-0x00000000005F9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-01 21:23

Reported

2024-09-01 21:25

Platform

win11-20240802-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.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\894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.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\894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.exe

"C:\Users\Admin\AppData\Local\Temp\894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4220 -ip 4220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4220 -ip 4220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4220 -ip 4220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 836

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4220 -ip 4220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 856

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4220 -ip 4220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4220 -ip 4220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 960

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4220 -ip 4220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 1084

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4220 -ip 4220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 1240

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4220 -ip 4220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 1764

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4220 -ip 4220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 1828

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "894ba799502ca5eac58d1e82ed1c8fac99a391f1bf676beaacff5e1bbde1417b.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/4220-1-0x0000000000780000-0x0000000000880000-memory.dmp

memory/4220-2-0x0000000002440000-0x000000000247C000-memory.dmp

memory/4220-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4220-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/4220-13-0x0000000000780000-0x0000000000880000-memory.dmp

memory/4220-15-0x0000000002440000-0x000000000247C000-memory.dmp

memory/4220-17-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4220-16-0x0000000000400000-0x00000000005F9000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZQ9FC15F\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/4220-34-0x0000000000400000-0x00000000005F9000-memory.dmp

memory/4220-35-0x0000000000400000-0x00000000005F9000-memory.dmp

memory/4220-36-0x0000000000400000-0x000000000043F000-memory.dmp