Malware Analysis Report

2025-01-02 06:50

Sample ID 241122-s5we4szkhl
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: 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

9e03c3d15e441a6973948ecc552f7e38a013827782458f10b7bc78c11532a6d9

Threat Level: Known bad

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

Malicious Activity Summary

gcleaner onlylogger discovery loader

OnlyLogger

Onlylogger family

GCleaner

Gcleaner family

OnlyLogger payload

Checks computer location settings

Deletes itself

Program crash

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Kills process with taskkill

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-22 15:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-22 15:43

Reported

2024-11-22 15:45

Platform

win7-20240903-en

Max time kernel

15s

Max time network

16s

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:\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\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/2236-1-0x0000000003210000-0x0000000003310000-memory.dmp

memory/2236-2-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2236-4-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2236-5-0x0000000000400000-0x0000000002DC3000-memory.dmp

memory/2236-3-0x0000000000400000-0x0000000002DC3000-memory.dmp

memory/2236-6-0x0000000000400000-0x0000000002DC3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-22 15:43

Reported

2024-11-22 15:45

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

96s

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-1-5-21-3227495264-2217614367-4027411560-1000\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 412 -p 2180 -ip 2180

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 684

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2180 -ip 2180

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2180 -ip 2180

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 928

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2180 -ip 2180

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2180 -ip 2180

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2180 -ip 2180

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 948

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 520 -p 2180 -ip 2180

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 976

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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 82.111.221.88.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/2180-1-0x00000000030E0000-0x00000000031E0000-memory.dmp

memory/2180-2-0x0000000002EA0000-0x0000000002EE9000-memory.dmp

memory/2180-3-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2180-6-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2180-5-0x0000000002EA0000-0x0000000002EE9000-memory.dmp

memory/2180-4-0x0000000000400000-0x0000000002DC3000-memory.dmp