Malware Analysis Report

2025-08-10 17:39

Sample ID 230625-jez6yadd63
Target 77df8b9472f2196d0ff7694009769325.exe
SHA256 2ac34c2817e2e90ec1c3cf2c09aba73cc7aaba0243c9f01d22bd131539de2d10
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

2ac34c2817e2e90ec1c3cf2c09aba73cc7aaba0243c9f01d22bd131539de2d10

Threat Level: Known bad

The file 77df8b9472f2196d0ff7694009769325.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

2023-06-25 07:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-06-25 07:35

Reported

2023-06-25 07:38

Platform

win7-20230621-en

Max time kernel

31s

Max time network

33s

Command Line

"C:\Users\Admin\AppData\Local\Temp\77df8b9472f2196d0ff7694009769325.exe"

Signatures

GCleaner

loader gcleaner

Processes

C:\Users\Admin\AppData\Local\Temp\77df8b9472f2196d0ff7694009769325.exe

"C:\Users\Admin\AppData\Local\Temp\77df8b9472f2196d0ff7694009769325.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 download.microsoft.com udp
GB 23.44.234.47:80 download.microsoft.com tcp
GB 23.44.234.47:443 download.microsoft.com tcp

Files

memory/828-55-0x00000000006B0000-0x00000000006F2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab320B.tmp

MD5 3ac860860707baaf32469fa7cc7c0192
SHA1 c33c2acdaba0e6fa41fd2f00f186804722477639
SHA256 d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904
SHA512 d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

C:\Users\Admin\AppData\Local\Temp\Tar325C.tmp

MD5 4ff65ad929cd9a367680e0e5b1c08166
SHA1 c0af0d4396bd1f15c45f39d3b849ba444233b3a2
SHA256 c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
SHA512 f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

memory/828-108-0x0000000000400000-0x00000000006A5000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-06-25 07:35

Reported

2023-06-25 07:38

Platform

win10v2004-20230621-en

Max time kernel

110s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\77df8b9472f2196d0ff7694009769325.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\77df8b9472f2196d0ff7694009769325.exe

"C:\Users\Admin\AppData\Local\Temp\77df8b9472f2196d0ff7694009769325.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2664 -ip 2664

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2664 -ip 2664

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2664 -ip 2664

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2664 -ip 2664

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 800

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2664 -ip 2664

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2664 -ip 2664

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 1000

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2664 -ip 2664

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 1000

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2664 -ip 2664

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 1500

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2664 -ip 2664

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 1576

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2664 -ip 2664

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 1648

Network

Country Destination Domain Proto
US 93.184.221.240:80 tcp
US 8.8.8.8:53 134.121.24.20.in-addr.arpa udp
US 8.8.8.8:53 download.microsoft.com udp
GB 23.44.234.47:80 download.microsoft.com tcp
GB 23.44.234.47:443 download.microsoft.com tcp
US 8.8.8.8:53 47.234.44.23.in-addr.arpa udp
GB 51.104.15.252:443 tcp
US 192.229.221.95:80 tcp
US 8.8.8.8:53 44.8.109.52.in-addr.arpa udp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
GB 96.16.110.41:443 tcp

Files

memory/2664-134-0x0000000002400000-0x0000000002442000-memory.dmp

memory/2664-135-0x0000000000400000-0x00000000006A5000-memory.dmp

memory/2664-138-0x0000000000400000-0x00000000006A5000-memory.dmp

memory/2664-139-0x0000000002400000-0x0000000002442000-memory.dmp