Malware Analysis Report

2024-10-23 20:16

Sample ID 241003-l5j9hszfjf
Target 2024-10-03_99fafe564339b5aab690e0dbf1149db8_ryuk
SHA256 8cec1c5a5e6e7e7a7b2d2991e12587228ed2aa9428b1af003ff68dd6bd6994a4
Tags
meshagent
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

8cec1c5a5e6e7e7a7b2d2991e12587228ed2aa9428b1af003ff68dd6bd6994a4

Threat Level: Known bad

The file 2024-10-03_99fafe564339b5aab690e0dbf1149db8_ryuk was found to be: Known bad.

Malicious Activity Summary

meshagent

Detects MeshAgent payload

Meshagent family

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-10-03 10:06

Signatures

Detects MeshAgent payload

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

Meshagent family

meshagent

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-03 10:06

Reported

2024-10-03 10:09

Platform

win7-20240903-en

Max time kernel

84s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-03_99fafe564339b5aab690e0dbf1149db8_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-03_99fafe564339b5aab690e0dbf1149db8_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-03_99fafe564339b5aab690e0dbf1149db8_ryuk.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-03 10:06

Reported

2024-10-03 10:09

Platform

win10v2004-20240802-en

Max time kernel

134s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-03_99fafe564339b5aab690e0dbf1149db8_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-03_99fafe564339b5aab690e0dbf1149db8_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-03_99fafe564339b5aab690e0dbf1149db8_ryuk.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4356,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=1040 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

N/A