Malware Analysis Report

2025-04-14 03:37

Sample ID 240612-s7bhqathrm
Target 2024-06-12_0cc0471da3c39bb3ce9b22adee7f7c81_ryuk
SHA256 f6249ffd9551658595b1fc180e471f903d4a208bd145f63b6d005cdb75b9b3df
Tags
score
5/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
5/10

SHA256

f6249ffd9551658595b1fc180e471f903d4a208bd145f63b6d005cdb75b9b3df

Threat Level: Likely benign

The file 2024-06-12_0cc0471da3c39bb3ce9b22adee7f7c81_ryuk was found to be: Likely benign.

Malicious Activity Summary


Drops file in System32 directory

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-12 15:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 15:45

Reported

2024-06-12 15:48

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

52s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-12_0cc0471da3c39bb3ce9b22adee7f7c81_ryuk.exe"

Signatures

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\System32\alg.exe C:\Users\Admin\AppData\Local\Temp\2024-06-12_0cc0471da3c39bb3ce9b22adee7f7c81_ryuk.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-12_0cc0471da3c39bb3ce9b22adee7f7c81_ryuk.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-12_0cc0471da3c39bb3ce9b22adee7f7c81_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-12_0cc0471da3c39bb3ce9b22adee7f7c81_ryuk.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/4872-0-0x00000000007D0000-0x0000000000830000-memory.dmp

memory/4872-11-0x00000000007D0000-0x0000000000830000-memory.dmp

memory/4872-9-0x00000000007D0000-0x0000000000830000-memory.dmp

memory/4872-8-0x0000000140000000-0x0000000140234000-memory.dmp

memory/4872-13-0x0000000140000000-0x0000000140234000-memory.dmp