Malware Analysis Report

2024-11-30 22:18

Sample ID 241121-nbtxza1dmc
Target 60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.exe
SHA256 60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2
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

60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2

Threat Level: Known bad

The file 60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Kills process with taskkill

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 11:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 11:13

Reported

2024-11-21 11:18

Platform

win7-20240903-en

Max time kernel

117s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.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:\Windows\SysWOW64\taskkill.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.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\60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.exe

"C:\Users\Admin\AppData\Local\Temp\60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.exe" /f

Network

N/A

Files

memory/2556-1-0x0000000000960000-0x0000000000A60000-memory.dmp

memory/2556-2-0x0000000000220000-0x0000000000269000-memory.dmp

memory/2556-3-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2556-6-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2556-5-0x0000000000220000-0x0000000000269000-memory.dmp

memory/2556-4-0x0000000000400000-0x000000000089C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 11:13

Reported

2024-11-21 11:18

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.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\60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.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\60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.exe

"C:\Users\Admin\AppData\Local\Temp\60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3036 -ip 3036

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 728

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3036 -ip 3036

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 800

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3036 -ip 3036

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3036 -ip 3036

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3036 -ip 3036

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3036 -ip 3036

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 976

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3036 -ip 3036

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 760

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "60b5b44e2f4b3f0ac140cfeb211bfb5db10451ca4e4f22c20b529064753e05c2.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 196.74.101.95.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/3036-2-0x0000000000D20000-0x0000000000D69000-memory.dmp

memory/3036-1-0x0000000000B20000-0x0000000000C20000-memory.dmp

memory/3036-3-0x0000000000400000-0x000000000044C000-memory.dmp

memory/3036-4-0x0000000000400000-0x000000000089C000-memory.dmp

memory/3036-6-0x0000000000400000-0x000000000044C000-memory.dmp

memory/3036-5-0x0000000000D20000-0x0000000000D69000-memory.dmp