Malware Analysis Report

2025-08-06 03:39

Sample ID 230701-3nvscsbb5x
Target 8424e9549edd3855143894ccd102fc39.exe
SHA256 6defee545d0b018b42de80992dbb11ea477d3448bb356eff6d2a5189f27c0e0a
Tags
gcleaner loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

6defee545d0b018b42de80992dbb11ea477d3448bb356eff6d2a5189f27c0e0a

Threat Level: Known bad

The file 8424e9549edd3855143894ccd102fc39.exe was found to be: Known bad.

Malicious Activity Summary

gcleaner loader

GCleaner

Downloads MZ/PE file

Program crash

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-07-01 23:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-01 23:40

Reported

2023-07-01 23:42

Platform

win7-20230621-en

Max time kernel

29s

Max time network

32s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe"

Signatures

GCleaner

loader gcleaner

Processes

C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe

"C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 download.microsoft.com udp
NL 173.223.113.107:80 download.microsoft.com tcp
NL 173.223.113.107:443 download.microsoft.com tcp

Files

memory/2040-55-0x0000000000220000-0x0000000000262000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab39D8.tmp

MD5 3ac860860707baaf32469fa7cc7c0192
SHA1 c33c2acdaba0e6fa41fd2f00f186804722477639
SHA256 d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904
SHA512 d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

C:\Users\Admin\AppData\Local\Temp\Tar3A68.tmp

MD5 4ff65ad929cd9a367680e0e5b1c08166
SHA1 c0af0d4396bd1f15c45f39d3b849ba444233b3a2
SHA256 c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
SHA512 f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

memory/2040-108-0x0000000000400000-0x000000000048D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-01 23:40

Reported

2023-07-01 23:42

Platform

win10v2004-20230621-en

Max time kernel

103s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe

"C:\Users\Admin\AppData\Local\Temp\8424e9549edd3855143894ccd102fc39.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 744

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 744

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 980

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 1116

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 1488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 1560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 1776

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 1576

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 1600

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 1804

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 download.microsoft.com udp
NL 173.223.113.107:80 download.microsoft.com tcp
NL 173.223.113.107:443 download.microsoft.com tcp
US 8.8.8.8:53 107.113.223.173.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 161.252.72.23.in-addr.arpa udp
US 13.89.178.26:443 tcp
US 8.8.8.8:53 45.8.109.52.in-addr.arpa udp
DE 23.218.209.198:443 tcp

Files

memory/3540-134-0x00000000021C0000-0x0000000002202000-memory.dmp

memory/3540-140-0x0000000000400000-0x000000000048D000-memory.dmp