Malware Analysis Report

2025-01-18 00:02

Sample ID 240603-sthd4sbh77
Target 2024-06-03_15fec81fc74b5e1bb27f06fa5b4e37ac_ryuk
SHA256 b871a9f2d66807eea15ded70bf8714a32c413bbed9dae61b18f26d8d70c21cac
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

b871a9f2d66807eea15ded70bf8714a32c413bbed9dae61b18f26d8d70c21cac

Threat Level: Likely benign

The file 2024-06-03_15fec81fc74b5e1bb27f06fa5b4e37ac_ryuk was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-03 15:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 15:24

Reported

2024-06-03 15:27

Platform

win7-20240508-en

Max time kernel

122s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-03_15fec81fc74b5e1bb27f06fa5b4e37ac_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-03_15fec81fc74b5e1bb27f06fa5b4e37ac_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-03_15fec81fc74b5e1bb27f06fa5b4e37ac_ryuk.exe"

Network

N/A

Files

memory/1700-0-0x00000000008E0000-0x0000000000940000-memory.dmp

memory/1700-6-0x0000000140000000-0x00000001401AF000-memory.dmp

memory/1700-9-0x00000000008E0000-0x0000000000940000-memory.dmp

memory/1700-12-0x00000000008E0000-0x0000000000940000-memory.dmp

memory/1700-13-0x0000000140000000-0x00000001401AF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 15:24

Reported

2024-06-03 15:27

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-03_15fec81fc74b5e1bb27f06fa5b4e37ac_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-03_15fec81fc74b5e1bb27f06fa5b4e37ac_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-03_15fec81fc74b5e1bb27f06fa5b4e37ac_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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 152.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2680-8-0x0000000140000000-0x00000001401AF000-memory.dmp

memory/2680-9-0x0000000000C60000-0x0000000000CC0000-memory.dmp

memory/2680-12-0x0000000140000000-0x00000001401AF000-memory.dmp

memory/2680-6-0x0000000000C60000-0x0000000000CC0000-memory.dmp

memory/2680-0-0x0000000000C60000-0x0000000000CC0000-memory.dmp