Malware Analysis Report

2024-11-13 19:46

Sample ID 220725-r66f2afbgn
Target 55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b
SHA256 55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b
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

55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b

Threat Level: Known bad

The file 55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b 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

2022-07-25 14:49

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-25 14:49

Reported

2022-07-25 16:17

Platform

win7-20220715-en

Max time kernel

36s

Max time network

44s

Command Line

"C:\Users\Admin\AppData\Local\Temp\55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.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
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\55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.exe

"C:\Users\Admin\AppData\Local\Temp\55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.exe" /f

Network

N/A

Files

memory/944-54-0x00000000010F8000-0x0000000001122000-memory.dmp

memory/944-55-0x0000000075241000-0x0000000075243000-memory.dmp

memory/944-56-0x00000000010F8000-0x0000000001122000-memory.dmp

memory/944-57-0x00000000002D0000-0x0000000000319000-memory.dmp

memory/944-58-0x0000000000400000-0x000000000103D000-memory.dmp

memory/1932-59-0x0000000000000000-mapping.dmp

memory/944-60-0x00000000010F8000-0x0000000001122000-memory.dmp

memory/944-61-0x0000000000400000-0x000000000103D000-memory.dmp

memory/1344-62-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-25 14:49

Reported

2022-07-25 15:40

Platform

win10v2004-20220721-en

Max time kernel

89s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.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
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-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.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\55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.exe

"C:\Users\Admin\AppData\Local\Temp\55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4936 -ip 4936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 712

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4936 -ip 4936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4936 -ip 4936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 788

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4936 -ip 4936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 928

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4936 -ip 4936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 920

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4936 -ip 4936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 764

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 4936 -ip 4936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 1032

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "55d7d5a4addb1a4bc1af28941928a8e42070dca6577bf6e13ee6dcf75cb93e6b.exe" /f

Network

Country Destination Domain Proto
FR 2.18.109.224:443 tcp
US 104.208.16.88:443 tcp
BE 8.238.110.126:80 tcp
BE 8.238.110.126:80 tcp
BE 8.238.110.126:80 tcp

Files

memory/4936-130-0x0000000001123000-0x000000000114C000-memory.dmp

memory/4936-131-0x0000000001040000-0x0000000001089000-memory.dmp

memory/4936-132-0x0000000000400000-0x000000000103D000-memory.dmp

memory/4984-133-0x0000000000000000-mapping.dmp

memory/1908-134-0x0000000000000000-mapping.dmp

memory/4936-135-0x0000000001123000-0x000000000114C000-memory.dmp

memory/4936-136-0x0000000001040000-0x0000000001089000-memory.dmp

memory/4936-137-0x0000000000400000-0x000000000103D000-memory.dmp