Malware Analysis Report

2025-06-16 07:09

Sample ID 240602-bfazfadd6t
Target 2024-06-02_4e1394c88e192dcf910947630a76f05d_cobalt-strike_ryuk
SHA256 38992532c65e09977713439485595024b0c7f3f78ae343b21c0b8a24676abaac
Tags
score
3/10

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
3/10

SHA256

38992532c65e09977713439485595024b0c7f3f78ae343b21c0b8a24676abaac

Threat Level: Likely benign

The file 2024-06-02_4e1394c88e192dcf910947630a76f05d_cobalt-strike_ryuk was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-02 01:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 01:04

Reported

2024-06-02 01:07

Platform

win7-20240215-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_4e1394c88e192dcf910947630a76f05d_cobalt-strike_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-02_4e1394c88e192dcf910947630a76f05d_cobalt-strike_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_4e1394c88e192dcf910947630a76f05d_cobalt-strike_ryuk.exe"

Network

N/A

Files

memory/2328-0-0x0000000002340000-0x00000000023A0000-memory.dmp

memory/2328-8-0x0000000140000000-0x00000001400CF000-memory.dmp

memory/2328-9-0x0000000002340000-0x00000000023A0000-memory.dmp

memory/2328-13-0x0000000140000000-0x00000001400CF000-memory.dmp

memory/2328-12-0x0000000002340000-0x00000000023A0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 01:04

Reported

2024-06-02 01:07

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_4e1394c88e192dcf910947630a76f05d_cobalt-strike_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-02_4e1394c88e192dcf910947630a76f05d_cobalt-strike_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_4e1394c88e192dcf910947630a76f05d_cobalt-strike_ryuk.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 107.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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 8.8.8.8:53 88.156.103.20.in-addr.arpa udp

Files

memory/4044-0-0x0000000140000000-0x00000001400CF000-memory.dmp

memory/4044-9-0x00000000035F0000-0x0000000003650000-memory.dmp

memory/4044-7-0x00000000035F0000-0x0000000003650000-memory.dmp

memory/4044-2-0x00000000035F0000-0x0000000003650000-memory.dmp

memory/4044-11-0x0000000140000000-0x00000001400CF000-memory.dmp