Malware Analysis Report

2025-01-02 09:44

Sample ID 240905-kpqkxswgmk
Target d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf
SHA256 d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf
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

d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf

Threat Level: Known bad

The file d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf 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

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-05 08:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-05 08:46

Reported

2024-09-05 08:49

Platform

win10v2004-20240802-en

Max time kernel

97s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.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\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.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\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe

"C:\Users\Admin\AppData\Local\Temp\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 440

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 928

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 928

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 1568

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 492

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe" /f

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 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 102.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/1432-1-0x0000000000830000-0x0000000000930000-memory.dmp

memory/1432-2-0x0000000000790000-0x00000000007CB000-memory.dmp

memory/1432-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/1432-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/1432-13-0x0000000000830000-0x0000000000930000-memory.dmp

memory/1432-16-0x0000000000790000-0x00000000007CB000-memory.dmp

memory/1432-15-0x0000000000400000-0x00000000005F8000-memory.dmp

memory/1432-17-0x0000000000400000-0x000000000043F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JACP9GNT\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/1432-29-0x0000000000400000-0x00000000005F8000-memory.dmp

memory/1432-36-0x0000000000400000-0x000000000043F000-memory.dmp

memory/1432-35-0x0000000000400000-0x00000000005F8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-05 08:46

Reported

2024-09-05 08:49

Platform

win11-20240802-en

Max time kernel

91s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.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:\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\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.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\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe

"C:\Users\Admin\AppData\Local\Temp\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 772 -ip 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 772 -ip 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 772 -ip 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 816

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 772 -ip 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 856

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 772 -ip 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 848

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 772 -ip 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 772 -ip 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 1088

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 772 -ip 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 1344

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 772 -ip 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 1684

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 772 -ip 772

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 1596

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/772-1-0x0000000000740000-0x0000000000840000-memory.dmp

memory/772-2-0x0000000002440000-0x000000000247B000-memory.dmp

memory/772-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/772-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/772-13-0x0000000000740000-0x0000000000840000-memory.dmp

memory/772-15-0x0000000002440000-0x000000000247B000-memory.dmp

memory/772-17-0x0000000000400000-0x000000000043F000-memory.dmp

memory/772-16-0x0000000000400000-0x00000000005F8000-memory.dmp

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

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/772-35-0x0000000000400000-0x000000000043F000-memory.dmp

memory/772-34-0x0000000000400000-0x00000000005F8000-memory.dmp