Malware Analysis Report

2025-01-02 06:52

Sample ID 220420-ez2haabbb6
Target 814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b
SHA256 814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b
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

814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b

Threat Level: Known bad

The file 814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b was found to be: Known bad.

Malicious Activity Summary

onlylogger loader

OnlyLogger

OnlyLogger Payload

Checks computer location settings

Deletes itself

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

2022-04-20 04:23

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-20 04:23

Reported

2022-04-20 04:34

Platform

win7-20220414-en

Max time kernel

37s

Max time network

41s

Command Line

"C:\Users\Admin\AppData\Local\Temp\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.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\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe

"C:\Users\Admin\AppData\Local\Temp\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe" /f

Network

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

Files

memory/1280-54-0x00000000756E1000-0x00000000756E3000-memory.dmp

memory/1280-55-0x000000000066B000-0x0000000000693000-memory.dmp

memory/1280-56-0x0000000000220000-0x0000000000266000-memory.dmp

memory/1280-57-0x0000000000400000-0x0000000000519000-memory.dmp

memory/668-58-0x0000000000000000-mapping.dmp

memory/1468-59-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-20 04:23

Reported

2022-04-20 04:34

Platform

win10v2004-20220414-en

Max time kernel

91s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.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-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.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\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe

"C:\Users\Admin\AppData\Local\Temp\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4156 -ip 4156

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 1268

Network

Country Destination Domain Proto
NL 52.109.88.34:443 tcp
US 8.8.8.8:53 gc-partners.in udp
US 20.42.65.85:443 tcp
FR 2.18.109.224:443 tcp
NL 104.110.191.140:80 tcp
NL 104.110.191.140:80 tcp
NL 87.248.202.1:80 tcp
US 104.18.24.243:80 tcp

Files

memory/4156-130-0x000000000087D000-0x00000000008A5000-memory.dmp

memory/4156-131-0x00000000007B0000-0x00000000007F6000-memory.dmp

memory/4156-132-0x0000000000400000-0x0000000000519000-memory.dmp

memory/4164-133-0x0000000000000000-mapping.dmp

memory/1988-134-0x0000000000000000-mapping.dmp