Malware Analysis Report

2024-10-16 03:26

Sample ID 240325-ta8mmacc58
Target de6152b2b3a181509c5d71a332a75043
SHA256 01792043e07a0db52664c5878b253531b293754dc6fd6a8426899c1a66ddd61f
Tags
avoslocker ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

01792043e07a0db52664c5878b253531b293754dc6fd6a8426899c1a66ddd61f

Threat Level: Known bad

The file de6152b2b3a181509c5d71a332a75043 was found to be: Known bad.

Malicious Activity Summary

avoslocker ransomware

Avoslocker Ransomware

Renames multiple (70) files with added filename extension

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-25 15:52

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-25 15:52

Reported

2024-03-25 15:54

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe"

Signatures

Avoslocker Ransomware

ransomware avoslocker

Renames multiple (70) files with added filename extension

ransomware

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe

"C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe"

Network

N/A

Files

C:\MSOCache\GET_YOUR_FILES_BACK.txt

MD5 0237b63f764204e00d7242cc4d908271
SHA1 9d88e59463e2a963bea95d6a2cc5383e922f2f27
SHA256 7bee0aff7241590f5bd35727a1a544a492b7533f1acba685611dd269078d1857
SHA512 0daec31046c2704b30760f7aecc944f9591cdf22511e5e9276f3dbc376cc60b04853c3e25abca2e754aeaaaac49c264c7d89d418c832c8275fb5484d51a99b3e

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-25 15:52

Reported

2024-03-25 15:54

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe"

Signatures

Avoslocker Ransomware

ransomware avoslocker

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe

"C:\Users\Admin\AppData\Local\Temp\de6152b2b3a181509c5d71a332a75043.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 206.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 147.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 211.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 udp

Files

C:\PerfLogs\GET_YOUR_FILES_BACK.txt

MD5 0237b63f764204e00d7242cc4d908271
SHA1 9d88e59463e2a963bea95d6a2cc5383e922f2f27
SHA256 7bee0aff7241590f5bd35727a1a544a492b7533f1acba685611dd269078d1857
SHA512 0daec31046c2704b30760f7aecc944f9591cdf22511e5e9276f3dbc376cc60b04853c3e25abca2e754aeaaaac49c264c7d89d418c832c8275fb5484d51a99b3e