Malware Analysis Report

2025-08-05 16:01

Sample ID 240526-mrvnrsgb79
Target 2024-05-26_95d652928456e58132780f7c47af13ec_ryuk
SHA256 4fbe3a55938083acbde98ac277fa3bb7870be4bc0dc97219b674ed7a7b41b115
Tags
score
3/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
3/10

SHA256

4fbe3a55938083acbde98ac277fa3bb7870be4bc0dc97219b674ed7a7b41b115

Threat Level: Likely benign

The file 2024-05-26_95d652928456e58132780f7c47af13ec_ryuk was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-26 10:42

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-26 10:42

Reported

2024-05-26 10:44

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-26_95d652928456e58132780f7c47af13ec_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-26_95d652928456e58132780f7c47af13ec_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-26_95d652928456e58132780f7c47af13ec_ryuk.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 90.65.42.20.in-addr.arpa udp

Files

memory/3612-0-0x0000000002010000-0x0000000002070000-memory.dmp

memory/3612-8-0x0000000140000000-0x0000000140247000-memory.dmp

memory/3612-9-0x0000000002010000-0x0000000002070000-memory.dmp

memory/3612-12-0x0000000140000000-0x0000000140247000-memory.dmp

memory/3612-6-0x0000000002010000-0x0000000002070000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-26 10:42

Reported

2024-05-26 10:44

Platform

win7-20240508-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-26_95d652928456e58132780f7c47af13ec_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-26_95d652928456e58132780f7c47af13ec_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-26_95d652928456e58132780f7c47af13ec_ryuk.exe"

Network

N/A

Files

memory/2032-0-0x0000000140000000-0x0000000140247000-memory.dmp