Malware Analysis Report

2025-01-02 06:52

Sample ID 220418-n7c94aeeel
Target 4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0
SHA256 4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0
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

4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0

Threat Level: Known bad

The file 4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0 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

Suspicious use of WriteProcessMemory

Kills process with taskkill

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-04-18 12:01

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-18 12:01

Reported

2022-04-18 18:08

Platform

win7-20220414-en

Max time kernel

36s

Max time network

44s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.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\4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe

"C:\Users\Admin\AppData\Local\Temp\4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe" /f

Network

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

Files

memory/1532-54-0x0000000076241000-0x0000000076243000-memory.dmp

memory/1532-56-0x00000000002E0000-0x0000000000326000-memory.dmp

memory/1532-55-0x0000000000CFA000-0x0000000000D22000-memory.dmp

memory/1532-57-0x0000000000400000-0x0000000000C2B000-memory.dmp

memory/552-58-0x0000000000000000-mapping.dmp

memory/948-59-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-18 12:01

Reported

2022-04-18 18:08

Platform

win10v2004-20220414-en

Max time kernel

95s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.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\4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.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\4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe

"C:\Users\Admin\AppData\Local\Temp\4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 764 -ip 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 624

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 764 -ip 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 648

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 764 -ip 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 500

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 764 -ip 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 624

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 764 -ip 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 1084

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 764 -ip 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 1084

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 764 -ip 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 1228

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 764 -ip 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 1388

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe" /f

Network

Country Destination Domain Proto
NL 104.97.14.81:80 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 gc-partners.in udp
NL 52.178.17.2:443 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
FR 2.18.109.224:443 tcp
US 104.18.24.243:80 tcp
NL 104.123.41.162:80 tcp

Files

memory/764-130-0x0000000000D3A000-0x0000000000D62000-memory.dmp

memory/764-131-0x00000000011E0000-0x0000000001226000-memory.dmp

memory/764-132-0x0000000000400000-0x0000000000C2B000-memory.dmp

memory/640-133-0x0000000000000000-mapping.dmp

memory/1984-134-0x0000000000000000-mapping.dmp