Malware Analysis Report

2025-01-02 09:36

Sample ID 240509-afszksfe2s
Target abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe
SHA256 abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe
Tags
gcleaner loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe

Threat Level: Known bad

The file abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe was found to be: Known bad.

Malicious Activity Summary

gcleaner loader

GCleaner

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Program crash

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 00:09

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 00:09

Reported

2024-05-09 00:10

Platform

win11-20240426-en

Max time kernel

4s

Max time network

8s

Command Line

"C:\Users\Admin\AppData\Local\Temp\abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe

"C:\Users\Admin\AppData\Local\Temp\abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1516 -ip 1516

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1516 -ip 1516

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 788

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1516 -ip 1516

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 832

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1516 -ip 1516

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 840

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1516 -ip 1516

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 960

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1516 -ip 1516

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 1060

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1516 -ip 1516

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 1432

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe" /f

Network

Country Destination Domain Proto
DE 185.172.128.90:80 185.172.128.90 tcp
US 8.8.8.8:53 90.128.172.185.in-addr.arpa udp

Files

memory/1516-1-0x0000000002940000-0x0000000002A40000-memory.dmp

memory/1516-2-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1516-3-0x0000000000400000-0x000000000257A000-memory.dmp

memory/1516-5-0x0000000000400000-0x000000000257A000-memory.dmp

memory/1516-6-0x0000000000400000-0x000000000042F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 00:09

Reported

2024-05-09 00:12

Platform

win10v2004-20240226-en

Max time kernel

137s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe"

Signatures

GCleaner

loader gcleaner

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe N/A

Enumerates physical storage devices

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\abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe

"C:\Users\Admin\AppData\Local\Temp\abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 332 -ip 332

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 740

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 332 -ip 332

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 760

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 332 -ip 332

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 792

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 332 -ip 332

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 792

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 332 -ip 332

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 332 -ip 332

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 980

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 332 -ip 332

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 1116

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 332 -ip 332

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 1348

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 332 -ip 332

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 1400

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "abbdfacc8e39a0c6fa211b07a7a0c49bcd7582436fd49f3d19cbf9a614b003fe.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 24.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
DE 185.172.128.90:80 185.172.128.90 tcp
US 8.8.8.8:53 90.128.172.185.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 253.15.104.51.in-addr.arpa udp

Files

memory/332-1-0x0000000002930000-0x0000000002A30000-memory.dmp

memory/332-2-0x00000000042D0000-0x00000000042FD000-memory.dmp

memory/332-3-0x0000000000400000-0x000000000257A000-memory.dmp

memory/332-4-0x0000000000400000-0x000000000042F000-memory.dmp

memory/332-5-0x0000000000400000-0x000000000257A000-memory.dmp

memory/332-6-0x0000000002930000-0x0000000002A30000-memory.dmp

memory/332-8-0x00000000042D0000-0x00000000042FD000-memory.dmp

memory/332-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/332-13-0x0000000000400000-0x000000000257A000-memory.dmp