Malware Analysis Report

2025-01-02 06:53

Sample ID 220503-za5tmaefdj
Target 63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144
SHA256 63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144
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

63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144

Threat Level: Known bad

The file 63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144 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 WriteProcessMemory

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-03 20:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-03 20:31

Reported

2022-05-03 20:34

Platform

win7-20220414-en

Max time kernel

46s

Max time network

50s

Command Line

"C:\Users\Admin\AppData\Local\Temp\63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.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\63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.exe

"C:\Users\Admin\AppData\Local\Temp\63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.exe" /f

Network

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

Files

memory/1660-54-0x0000000076781000-0x0000000076783000-memory.dmp

memory/1660-56-0x0000000000310000-0x0000000000356000-memory.dmp

memory/1660-55-0x00000000005AB000-0x00000000005D3000-memory.dmp

memory/1660-57-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/840-58-0x0000000000000000-mapping.dmp

memory/960-59-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-03 20:31

Reported

2022-05-03 20:34

Platform

win10v2004-20220414-en

Max time kernel

107s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.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\63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.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\63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.exe

"C:\Users\Admin\AppData\Local\Temp\63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1632 -ip 1632

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "63c9e167a5c92871f3840ae9c97762214df2c297594f30345a4e8faf9106b144.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 1100

Network

Country Destination Domain Proto
NL 104.110.191.140:80 tcp
GB 51.104.15.253:443 tcp
US 8.8.8.8:53 gc-partners.in udp
NL 104.110.191.140:80 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.140:80 tcp

Files

memory/1632-130-0x0000000000698000-0x00000000006C0000-memory.dmp

memory/1632-131-0x0000000002230000-0x0000000002276000-memory.dmp

memory/1632-132-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/4828-133-0x0000000000000000-mapping.dmp

memory/2568-134-0x0000000000000000-mapping.dmp