Malware Analysis Report

2025-01-02 09:46

Sample ID 240830-xefn7azfjq
Target 072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23
SHA256 072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23
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

072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23

Threat Level: Known bad

The file 072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23 was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Downloads MZ/PE file

Checks computer location settings

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Kills process with taskkill

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 18:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-30 18:45

Reported

2024-08-30 18:48

Platform

win10v2004-20240802-en

Max time kernel

137s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.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\taskkill.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.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\072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.exe

"C:\Users\Admin\AppData\Local\Temp\072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4972 -ip 4972

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 444

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4972 -ip 4972

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4972 -ip 4972

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4972 -ip 4972

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4972 -ip 4972

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 836

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4972 -ip 4972

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4972 -ip 4972

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4972 -ip 4972

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 1572

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4972 -ip 4972

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 1620

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
RU 80.66.75.114:80 80.66.75.114 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 114.75.66.80.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/4972-1-0x0000000000870000-0x0000000000970000-memory.dmp

memory/4972-2-0x0000000002340000-0x000000000237C000-memory.dmp

memory/4972-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4972-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/4972-13-0x0000000000870000-0x0000000000970000-memory.dmp

memory/4972-16-0x0000000002340000-0x000000000237C000-memory.dmp

memory/4972-15-0x0000000000400000-0x00000000005F7000-memory.dmp

memory/4972-17-0x0000000000400000-0x000000000043F000-memory.dmp

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

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/4972-27-0x0000000000400000-0x00000000005F7000-memory.dmp

memory/4972-30-0x0000000000400000-0x00000000005F7000-memory.dmp

memory/4972-37-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4972-36-0x0000000000400000-0x00000000005F7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 18:45

Reported

2024-08-30 18:48

Platform

win11-20240802-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.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\072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.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\072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.exe

"C:\Users\Admin\AppData\Local\Temp\072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 756 -ip 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 756 -ip 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 756 -ip 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 804

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 756 -ip 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 840

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 756 -ip 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 828

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 756 -ip 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 756 -ip 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1084

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 756 -ip 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1364

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 756 -ip 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1656

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 756 -ip 756

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "072cba04841b20cc9d0fb1a7dffffdfdbac6e948e9f3d3ca3377a304c0bfda23.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1608

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 8.8.8.8:53 107.175.53.84.in-addr.arpa udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/756-1-0x00000000008D0000-0x00000000009D0000-memory.dmp

memory/756-2-0x0000000002470000-0x00000000024AC000-memory.dmp

memory/756-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/756-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/756-13-0x00000000008D0000-0x00000000009D0000-memory.dmp

memory/756-15-0x0000000002470000-0x00000000024AC000-memory.dmp

memory/756-17-0x0000000000400000-0x000000000043F000-memory.dmp

memory/756-16-0x0000000000400000-0x00000000005F7000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6LUG8YDR\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/756-27-0x0000000000400000-0x00000000005F7000-memory.dmp

memory/756-30-0x0000000000400000-0x00000000005F7000-memory.dmp

memory/756-36-0x0000000000400000-0x00000000005F7000-memory.dmp

memory/756-37-0x0000000000400000-0x000000000043F000-memory.dmp