Malware Analysis Report

2025-01-02 06:52

Sample ID 220418-n7cnkaeeek
Target 54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6
SHA256 54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6
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

54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6

Threat Level: Known bad

The file 54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6 was found to be: Known bad.

Malicious Activity Summary

onlylogger loader

OnlyLogger

OnlyLogger Payload

Deletes itself

Checks computer location settings

Program crash

Enumerates physical storage devices

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

43s

Max time network

48s

Command Line

"C:\Users\Admin\AppData\Local\Temp\54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.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\54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.exe

"C:\Users\Admin\AppData\Local\Temp\54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.exe" /f

Network

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

Files

memory/1800-55-0x0000000074E91000-0x0000000074E93000-memory.dmp

memory/1800-56-0x0000000000230000-0x0000000000330000-memory.dmp

memory/1800-57-0x0000000001C50000-0x0000000001C96000-memory.dmp

memory/1800-58-0x0000000000400000-0x0000000000503000-memory.dmp

memory/1508-59-0x0000000000000000-mapping.dmp

memory/1428-60-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-18 12:01

Reported

2022-04-18 18:09

Platform

win10v2004-20220414-en

Max time kernel

136s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.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\54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.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\54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.exe

"C:\Users\Admin\AppData\Local\Temp\54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1604 -ip 1604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 612

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1604 -ip 1604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 632

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1604 -ip 1604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 640

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1604 -ip 1604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 640

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1604 -ip 1604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 640

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1604 -ip 1604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 1200

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 1604 -ip 1604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 1236

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1604 -ip 1604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 1284

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "54b2f3e0e38d8a80023968c1fd48cab4907bb786ec91508df9872ef09813a3f6.exe" /f

Network

Country Destination Domain Proto
FR 2.18.109.224:443 tcp
IE 13.69.239.74:443 tcp
US 8.8.8.8:53 gc-partners.in udp
US 13.107.4.50:80 tcp
US 13.107.4.50:80 tcp
US 8.8.8.8:53 151.122.125.40.in-addr.arpa udp
US 8.8.8.8:53 licensing.mp.microsoft.com udp
US 20.96.63.25:443 licensing.mp.microsoft.com tcp
US 8.8.8.8:53 storesdk.dsx.mp.microsoft.com udp
FR 2.18.109.224:443 storesdk.dsx.mp.microsoft.com tcp
US 20.96.63.25:443 licensing.mp.microsoft.com tcp
US 20.96.63.25:443 licensing.mp.microsoft.com tcp
US 8.8.8.8:53 licensing.mp.microsoft.com udp
US 20.96.63.25:443 licensing.mp.microsoft.com tcp

Files

memory/1604-130-0x00000000008AD000-0x00000000008D5000-memory.dmp

memory/1604-131-0x00000000008AD000-0x00000000008D5000-memory.dmp

memory/1604-132-0x0000000002240000-0x0000000002286000-memory.dmp

memory/1604-133-0x0000000000400000-0x0000000000503000-memory.dmp

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

memory/1104-135-0x0000000000000000-mapping.dmp