Malware Analysis Report

2024-11-13 19:46

Sample ID 220727-a6378sgdek
Target 539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d
SHA256 539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d
Tags
onlylogger loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d

Threat Level: Known bad

The file 539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d was found to be: Known bad.

Malicious Activity Summary

onlylogger loader

OnlyLogger

OnlyLogger payload

Deletes itself

Checks computer location settings

Program crash

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Kills process with taskkill

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-07-27 00:50

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-27 00:50

Reported

2022-07-27 00:56

Platform

win7-20220718-en

Max time kernel

28s

Max time network

47s

Command Line

"C:\Users\Admin\AppData\Local\Temp\539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.exe"

Signatures

OnlyLogger

loader onlylogger

OnlyLogger payload

Description Indicator Process Target
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

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\539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.exe

"C:\Users\Admin\AppData\Local\Temp\539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.exe" /f

Network

N/A

Files

memory/1696-54-0x00000000010F8000-0x0000000001121000-memory.dmp

memory/1696-55-0x0000000075871000-0x0000000075873000-memory.dmp

memory/1680-56-0x0000000000000000-mapping.dmp

memory/1696-57-0x00000000010F8000-0x0000000001121000-memory.dmp

memory/1696-58-0x00000000002D0000-0x0000000000319000-memory.dmp

memory/2008-59-0x0000000000000000-mapping.dmp

memory/1696-60-0x0000000000400000-0x000000000103D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-27 00:50

Reported

2022-07-27 00:56

Platform

win10v2004-20220721-en

Max time kernel

82s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.exe"

Signatures

OnlyLogger

loader 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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.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\539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.exe

"C:\Users\Admin\AppData\Local\Temp\539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2656 -ip 2656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 740

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2656 -ip 2656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 688

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2656 -ip 2656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2656 -ip 2656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 944

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2656 -ip 2656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 944

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2656 -ip 2656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 796

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2656 -ip 2656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 712

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "539efe24846cc5cd476d50b6690d508743e62b0358bf9aa74fa4dda455bf3f4d.exe" /f

Network

Country Destination Domain Proto
NL 8.248.5.254:80 tcp
DE 67.26.139.254:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 20.189.173.9:443 tcp
US 8.8.8.8:53 176.122.125.40.in-addr.arpa udp
US 93.184.221.240:80 tcp
US 8.247.211.254:80 tcp

Files

memory/2656-130-0x00000000010B3000-0x00000000010DC000-memory.dmp

memory/2656-131-0x0000000001040000-0x0000000001089000-memory.dmp

memory/2656-132-0x0000000000400000-0x000000000103D000-memory.dmp

memory/2644-133-0x0000000000000000-mapping.dmp

memory/424-134-0x0000000000000000-mapping.dmp

memory/2656-135-0x0000000000400000-0x000000000103D000-memory.dmp