Malware Analysis Report

2025-01-02 06:54

Sample ID 220508-h91waabaf2
Target 94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0
SHA256 94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0
Tags
onlylogger loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0

Threat Level: Known bad

The file 94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0 was found to be: Known bad.

Malicious Activity Summary

onlylogger loader

OnlyLogger

OnlyLogger Payload

Deletes itself

Checks computer location settings

Enumerates physical storage devices

Program crash

Suspicious use of AdjustPrivilegeToken

Kills process with taskkill

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-08 07:26

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-08 07:26

Reported

2022-05-08 10:24

Platform

win10v2004-20220414-en

Max time kernel

150s

Max time network

165s

Command Line

"C:\Users\Admin\AppData\Local\Temp\94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.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\94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe

"C:\Users\Admin\AppData\Local\Temp\94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2604 -ip 2604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2604 -ip 2604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 616

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 624

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 2604 -ip 2604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 624

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2604 -ip 2604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 792

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2604 -ip 2604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 848

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2604 -ip 2604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 1080

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 2604 -ip 2604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 808

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 2604 -ip 2604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 1416

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe" /f

Network

Country Destination Domain Proto
US 20.42.72.131:443 tcp
US 8.8.8.8:53 gc-partners.in udp
US 93.184.221.240:80 tcp
US 204.79.197.203:80 tcp
US 8.8.8.8:53 226.101.242.52.in-addr.arpa udp

Files

memory/2604-130-0x0000000000CDD000-0x0000000000D05000-memory.dmp

memory/2604-131-0x0000000002980000-0x00000000029C6000-memory.dmp

memory/2604-132-0x0000000000400000-0x0000000000C4B000-memory.dmp

memory/3852-133-0x0000000000000000-mapping.dmp

memory/4988-134-0x0000000000000000-mapping.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-08 07:26

Reported

2022-05-08 10:24

Platform

win7-20220414-en

Max time kernel

40s

Max time network

54s

Command Line

"C:\Users\Admin\AppData\Local\Temp\94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.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\94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe

"C:\Users\Admin\AppData\Local\Temp\94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe" /f

Network

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

Files

memory/1612-54-0x00000000763E1000-0x00000000763E3000-memory.dmp

memory/1612-56-0x00000000023B0000-0x00000000023F6000-memory.dmp

memory/1612-55-0x000000000028B000-0x00000000002B3000-memory.dmp

memory/1612-57-0x0000000000400000-0x0000000000C4B000-memory.dmp

memory/2032-58-0x0000000000000000-mapping.dmp

memory/1988-59-0x0000000000000000-mapping.dmp