Malware Analysis Report

2024-12-08 02:21

Sample ID 241122-s9kjeatnbt
Target 9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe
SHA256 9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9
Tags
gcleaner onlylogger discovery 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

9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9

Threat Level: Known bad

The file 9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe was found to be: Known bad.

Malicious Activity Summary

gcleaner onlylogger discovery loader

Onlylogger family

Gcleaner family

GCleaner

OnlyLogger

OnlyLogger payload

Deletes itself

Checks computer location settings

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-22 15:49

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-22 15:49

Reported

2024-11-22 15:52

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe"

Signatures

GCleaner

loader gcleaner

Gcleaner family

gcleaner

OnlyLogger

loader onlylogger

Onlylogger family

onlylogger

OnlyLogger payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.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\9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.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\9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe

"C:\Users\Admin\AppData\Local\Temp\9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1716 -ip 1716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1716 -ip 1716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1716 -ip 1716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 920

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1716 -ip 1716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 952

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1716 -ip 1716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1716 -ip 1716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 964

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1716 -ip 1716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1004

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 34.133.123.92.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/1716-1-0x0000000002EC0000-0x0000000002FC0000-memory.dmp

memory/1716-2-0x0000000002FC0000-0x0000000003009000-memory.dmp

memory/1716-3-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1716-6-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1716-5-0x0000000002FC0000-0x0000000003009000-memory.dmp

memory/1716-4-0x0000000000400000-0x0000000002DC3000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-22 15:49

Reported

2024-11-22 15:52

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe"

Signatures

GCleaner

loader gcleaner

Gcleaner family

gcleaner

OnlyLogger

loader onlylogger

Onlylogger family

onlylogger

OnlyLogger payload

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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

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\9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.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\9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe

"C:\Users\Admin\AppData\Local\Temp\9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9.exe" /f

Network

N/A

Files

memory/2176-3-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2176-2-0x0000000000270000-0x00000000002B9000-memory.dmp

memory/2176-1-0x0000000002FA0000-0x00000000030A0000-memory.dmp

memory/2176-5-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2176-4-0x0000000000400000-0x0000000002DC3000-memory.dmp