Malware Analysis Report

2025-08-05 16:06

Sample ID 240608-k5tbrabe79
Target 2024-06-08_cc268797cf1e9f259b533f65105914dd_cobalt-strike_ryuk
SHA256 9a079b2e9d803881760bd18f020e80ca6e2349ac1d3f739c9aab3d4cf89b50b1
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

9a079b2e9d803881760bd18f020e80ca6e2349ac1d3f739c9aab3d4cf89b50b1

Threat Level: Likely benign

The file 2024-06-08_cc268797cf1e9f259b533f65105914dd_cobalt-strike_ryuk was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-08 09:11

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 09:11

Reported

2024-06-08 09:14

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-08_cc268797cf1e9f259b533f65105914dd_cobalt-strike_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-08_cc268797cf1e9f259b533f65105914dd_cobalt-strike_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-08_cc268797cf1e9f259b533f65105914dd_cobalt-strike_ryuk.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp

Files

memory/1556-0-0x00000000034B0000-0x0000000003510000-memory.dmp

memory/1556-8-0x00000000034B0000-0x0000000003510000-memory.dmp

memory/1556-10-0x0000000140000000-0x00000001400CF000-memory.dmp

memory/1556-6-0x00000000034B0000-0x0000000003510000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 09:11

Reported

2024-06-08 09:13

Platform

win7-20240508-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-08_cc268797cf1e9f259b533f65105914dd_cobalt-strike_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-08_cc268797cf1e9f259b533f65105914dd_cobalt-strike_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-08_cc268797cf1e9f259b533f65105914dd_cobalt-strike_ryuk.exe"

Network

N/A

Files

memory/2244-6-0x0000000140000000-0x00000001400CF000-memory.dmp

memory/2244-0-0x0000000000AE0000-0x0000000000B40000-memory.dmp

memory/2244-7-0x0000000000AE0000-0x0000000000B40000-memory.dmp

memory/2244-10-0x0000000000AE0000-0x0000000000B40000-memory.dmp

memory/2244-12-0x0000000140000000-0x00000001400CF000-memory.dmp