Malware Analysis Report

2024-12-08 02:22

Sample ID 220508-g4b5ashcc8
Target b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03
SHA256 b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03
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

b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03

Threat Level: Known bad

The file b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03 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

2022-05-08 06:21

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-08 06:21

Reported

2022-05-08 08:35

Platform

win7-20220414-en

Max time kernel

93s

Max time network

107s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.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\b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe

"C:\Users\Admin\AppData\Local\Temp\b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe" /f

Network

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

Files

memory/976-54-0x00000000002C8000-0x00000000002F0000-memory.dmp

memory/976-55-0x0000000076451000-0x0000000076453000-memory.dmp

memory/976-56-0x00000000002C8000-0x00000000002F0000-memory.dmp

memory/976-57-0x00000000003B0000-0x00000000003F6000-memory.dmp

memory/976-58-0x0000000000400000-0x0000000000F98000-memory.dmp

memory/1648-59-0x0000000000000000-mapping.dmp

memory/1792-60-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-08 06:21

Reported

2022-05-08 08:35

Platform

win10v2004-20220414-en

Max time kernel

193s

Max time network

226s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.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\b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.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\b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe

"C:\Users\Admin\AppData\Local\Temp\b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4288 -ip 4288

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 1068

Network

Country Destination Domain Proto
BE 67.24.33.254:80 tcp
BE 67.24.33.254:80 tcp
US 20.189.173.14:443 tcp
US 104.20.68.143:80 tcp
US 104.20.68.143:443 tcp
NL 104.110.191.140:80 tcp
US 8.8.8.8:53 gc-partners.in udp
US 188.114.97.3:80 tcp
US 188.114.97.3:443 tcp
FR 2.16.119.157:443 tcp

Files

memory/4288-130-0x00000000012E3000-0x000000000130B000-memory.dmp

memory/4288-131-0x0000000001070000-0x00000000010B6000-memory.dmp

memory/4288-132-0x0000000000400000-0x0000000000F98000-memory.dmp

memory/4444-133-0x0000000000000000-mapping.dmp

memory/5076-134-0x0000000000000000-mapping.dmp