Malware Analysis Report

2025-01-02 06:52

Sample ID 220503-za3z2acab6
Target 90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f
SHA256 90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f
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

90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f

Threat Level: Known bad

The file 90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f was found to be: Known bad.

Malicious Activity Summary

onlylogger loader

OnlyLogger

OnlyLogger Payload

Checks computer location settings

Deletes itself

Enumerates physical storage devices

Program crash

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

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

30s

Max time network

44s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.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\90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.exe

"C:\Users\Admin\AppData\Local\Temp\90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.exe" /f

Network

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

Files

memory/1668-54-0x00000000764C1000-0x00000000764C3000-memory.dmp

memory/1668-55-0x000000000065B000-0x0000000000683000-memory.dmp

memory/1668-56-0x0000000000220000-0x0000000000266000-memory.dmp

memory/1668-57-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/1236-58-0x0000000000000000-mapping.dmp

memory/2032-59-0x0000000000000000-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

142s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.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-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.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\90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.exe

"C:\Users\Admin\AppData\Local\Temp\90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4916 -ip 4916

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "90df4fa07dc5d121d76b559f8340c62e09d4876331addeca4ad2e1bff1bb579f.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 1092

Network

Country Destination Domain Proto
US 67.26.211.254:80 tcp
US 8.8.8.8:53 gc-partners.in udp
IE 20.190.159.75:443 tcp
US 209.197.3.8:80 tcp
IE 13.69.239.73:443 tcp
US 8.8.8.8:53 226.101.242.52.in-addr.arpa udp
US 67.26.211.254:80 tcp
US 67.26.211.254:80 tcp
US 93.184.220.29:80 tcp
US 204.79.197.203:80 tcp

Files

memory/4916-130-0x0000000000548000-0x0000000000570000-memory.dmp

memory/4916-131-0x0000000002250000-0x0000000002296000-memory.dmp

memory/4916-132-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/4452-133-0x0000000000000000-mapping.dmp

memory/552-134-0x0000000000000000-mapping.dmp