Malware Analysis Report

2025-08-05 15:45

Sample ID 240527-xs2htaff64
Target 2024-05-27_2a4b5e8a21d2e5289a8a8496c91c7195_cobalt-strike_ryuk
SHA256 242c9912e7a8cd65adbcfabb56a77d5f578a930ae47a96b4a1ee53718712d523
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

242c9912e7a8cd65adbcfabb56a77d5f578a930ae47a96b4a1ee53718712d523

Threat Level: Likely benign

The file 2024-05-27_2a4b5e8a21d2e5289a8a8496c91c7195_cobalt-strike_ryuk was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-27 19:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-27 19:07

Reported

2024-05-27 19:10

Platform

win7-20231129-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-27_2a4b5e8a21d2e5289a8a8496c91c7195_cobalt-strike_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-27_2a4b5e8a21d2e5289a8a8496c91c7195_cobalt-strike_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-27_2a4b5e8a21d2e5289a8a8496c91c7195_cobalt-strike_ryuk.exe"

Network

N/A

Files

memory/2188-1-0x00000000022F0000-0x0000000002350000-memory.dmp

memory/2188-6-0x00000000022F0000-0x0000000002350000-memory.dmp

memory/2188-8-0x0000000140000000-0x00000001400F6000-memory.dmp

memory/2188-9-0x00000000022F0000-0x0000000002350000-memory.dmp

memory/2188-12-0x0000000140000000-0x00000001400F6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-27 19:07

Reported

2024-05-27 19:10

Platform

win10v2004-20240426-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-27_2a4b5e8a21d2e5289a8a8496c91c7195_cobalt-strike_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-27_2a4b5e8a21d2e5289a8a8496c91c7195_cobalt-strike_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-27_2a4b5e8a21d2e5289a8a8496c91c7195_cobalt-strike_ryuk.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/1496-8-0x0000000140000000-0x00000001400F6000-memory.dmp

memory/1496-9-0x0000000000C00000-0x0000000000C60000-memory.dmp

memory/1496-6-0x0000000000C00000-0x0000000000C60000-memory.dmp

memory/1496-0-0x0000000000C00000-0x0000000000C60000-memory.dmp

memory/1496-12-0x0000000140000000-0x00000001400F6000-memory.dmp