Malware Analysis Report

2024-12-08 02:22

Sample ID 220512-n6fc3agddn
Target 3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8
SHA256 3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8
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

3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8

Threat Level: Known bad

The file 3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8 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

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-12 12:00

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-12 12:00

Reported

2022-05-12 12:25

Platform

win7-20220414-en

Max time kernel

40s

Max time network

44s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.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\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe

"C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 gc-partners.in udp

Files

memory/784-54-0x0000000001128000-0x0000000001150000-memory.dmp

memory/784-55-0x0000000076391000-0x0000000076393000-memory.dmp

memory/784-57-0x0000000000220000-0x0000000000266000-memory.dmp

memory/784-56-0x0000000001128000-0x0000000001150000-memory.dmp

memory/784-58-0x0000000000400000-0x0000000000F97000-memory.dmp

memory/340-59-0x0000000000000000-mapping.dmp

memory/1984-60-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-12 12:00

Reported

2022-05-12 12:25

Platform

win10v2004-20220414-en

Max time kernel

79s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.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\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe

"C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 716 -ip 716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 612

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 716 -ip 716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 716 -ip 716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 744

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 716 -ip 716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 716 -ip 716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 1064

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 716 -ip 716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 1112

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 716 -ip 716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 1196

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 716 -ip 716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 1204

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 716 -ip 716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 1116

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 gc-partners.in udp
US 20.189.173.2:443 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp

Files

memory/716-130-0x0000000001093000-0x00000000010BB000-memory.dmp

memory/716-131-0x0000000000FA0000-0x0000000000FE6000-memory.dmp

memory/716-132-0x0000000000400000-0x0000000000F97000-memory.dmp

memory/1464-133-0x0000000000000000-mapping.dmp

memory/4808-134-0x0000000000000000-mapping.dmp