Malware Analysis Report

2025-01-02 09:47

Sample ID 240829-3v9j4axdre
Target 53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd
SHA256 53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd
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

53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd

Threat Level: Known bad

The file 53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Downloads MZ/PE file

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

2024-08-29 23:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-29 23:51

Reported

2024-08-29 23:53

Platform

win10v2004-20240802-en

Max time kernel

137s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd.exe"

Signatures

GCleaner

loader gcleaner

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\53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd.exe

"C:\Users\Admin\AppData\Local\Temp\53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2952 -ip 2952

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 456

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2952 -ip 2952

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 520

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/2952-1-0x0000000000760000-0x0000000000860000-memory.dmp

memory/2952-2-0x00000000005A0000-0x00000000005DC000-memory.dmp

memory/2952-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/2952-4-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2952-5-0x00000000005A0000-0x00000000005DC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-29 23:51

Reported

2024-08-29 23:53

Platform

win11-20240802-en

Max time kernel

91s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd.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\taskkill.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd.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\53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd.exe

"C:\Users\Admin\AppData\Local\Temp\53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 2468 -ip 2468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2468 -ip 2468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 520

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2468 -ip 2468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2468 -ip 2468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 800

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2468 -ip 2468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 840

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2468 -ip 2468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 864

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2468 -ip 2468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 960

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2468 -ip 2468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 964

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2468 -ip 2468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 1624

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "53bebf0d0239250b18235478d3379d926ec1e98ebddcf6158f97888d244d7bdd.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/2468-1-0x0000000000690000-0x0000000000790000-memory.dmp

memory/2468-2-0x0000000000910000-0x000000000094C000-memory.dmp

memory/2468-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/2468-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/2468-13-0x0000000000690000-0x0000000000790000-memory.dmp

memory/2468-15-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2468-16-0x0000000000910000-0x000000000094C000-memory.dmp

memory/2468-17-0x0000000000400000-0x000000000043F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P6H4A3UA\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/2468-29-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2468-35-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2468-36-0x0000000000400000-0x000000000043F000-memory.dmp