Malware Analysis Report

2024-08-06 10:58

Sample ID 240610-gzjctadg26
Target 2024-06-10_18b94c614c8f8fde8a65ea3af6c6f2a7_ryuk
SHA256 6630887a84856400b21355b6d889250e10d3e0b611f0cfbc4d9ed2274b3bc3a4
Tags
cobaltstrike 0 100000 backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

6630887a84856400b21355b6d889250e10d3e0b611f0cfbc4d9ed2274b3bc3a4

Threat Level: Known bad

The file 2024-06-10_18b94c614c8f8fde8a65ea3af6c6f2a7_ryuk was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 0 100000 backdoor trojan

Cobaltstrike

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-10 06:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 06:14

Reported

2024-06-10 06:17

Platform

win7-20240419-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-10_18b94c614c8f8fde8a65ea3af6c6f2a7_ryuk.exe"

Signatures

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-10_18b94c614c8f8fde8a65ea3af6c6f2a7_ryuk.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-10_18b94c614c8f8fde8a65ea3af6c6f2a7_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-10_18b94c614c8f8fde8a65ea3af6c6f2a7_ryuk.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 06:14

Reported

2024-06-10 06:17

Platform

win10v2004-20240426-en

Max time kernel

123s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-10_18b94c614c8f8fde8a65ea3af6c6f2a7_ryuk.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-10_18b94c614c8f8fde8a65ea3af6c6f2a7_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-10_18b94c614c8f8fde8a65ea3af6c6f2a7_ryuk.exe"

Network

Country Destination Domain Proto
LT 195.181.245.38:3421 195.181.245.38 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 38.245.181.195.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
LT 195.181.245.38:3421 195.181.245.38 tcp
US 8.8.8.8:53 76.32.126.40.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
LT 195.181.245.38:3421 195.181.245.38 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
LT 195.181.245.38:3421 195.181.245.38 tcp

Files

memory/2212-0-0x000001B9ED7F0000-0x000001B9ED7F1000-memory.dmp

memory/2212-3-0x000001B9EF9B0000-0x000001B9EFDB0000-memory.dmp

memory/2212-4-0x000001B9EFDB0000-0x000001B9EFDFF000-memory.dmp

memory/2212-5-0x000001B9EFDB0000-0x000001B9EFDFF000-memory.dmp