Malware Analysis Report

2024-11-13 15:23

Sample ID 240607-hg7s5abd61
Target 2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk
SHA256 c61121cfe5e88ef89a0bc62cb9c0e02157c3d9bfc40826a3372015625a898582
Tags
pyinstaller
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

c61121cfe5e88ef89a0bc62cb9c0e02157c3d9bfc40826a3372015625a898582

Threat Level: Likely benign

The file 2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk was found to be: Likely benign.

Malicious Activity Summary

pyinstaller

Detects Pyinstaller

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-07 06:43

Signatures

Detects Pyinstaller

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 06:43

Reported

2024-06-07 06:46

Platform

win7-20240508-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1832 -s 48

Network

N/A

Files

memory/1832-0-0x000000013F590000-0x000000013F5E1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 06:43

Reported

2024-06-07 06:46

Platform

win10v2004-20240426-en

Max time kernel

91s

Max time network

93s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp

Files

memory/2656-0-0x00007FF68A2A0000-0x00007FF68A2F1000-memory.dmp