Malware Analysis Report

2025-08-10 21:37

Sample ID 240529-jle5cagb93
Target 2024-05-29_81a9c212bb9344641706b96a7751ed3f_ryuk
SHA256 5af2715c6435adbb414608e2c40ce0ce1440c9e5d2b8a877f40eefe8594247b9
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

5af2715c6435adbb414608e2c40ce0ce1440c9e5d2b8a877f40eefe8594247b9

Threat Level: Likely benign

The file 2024-05-29_81a9c212bb9344641706b96a7751ed3f_ryuk was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-29 07:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-29 07:45

Reported

2024-05-29 07:47

Platform

win7-20240215-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-29_81a9c212bb9344641706b96a7751ed3f_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-29_81a9c212bb9344641706b96a7751ed3f_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-29_81a9c212bb9344641706b96a7751ed3f_ryuk.exe"

Network

N/A

Files

memory/1268-0-0x00000000008E0000-0x0000000000940000-memory.dmp

memory/1268-6-0x0000000140000000-0x00000001401BD000-memory.dmp

memory/1268-9-0x00000000008E0000-0x0000000000940000-memory.dmp

memory/1268-13-0x0000000140000000-0x00000001401BD000-memory.dmp

memory/1268-12-0x00000000008E0000-0x0000000000940000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-29 07:45

Reported

2024-05-29 07:47

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-29_81a9c212bb9344641706b96a7751ed3f_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-29_81a9c212bb9344641706b96a7751ed3f_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-29_81a9c212bb9344641706b96a7751ed3f_ryuk.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.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 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
FR 142.250.178.138:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 138.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 10.173.189.20.in-addr.arpa udp

Files

memory/1188-7-0x0000000000CC0000-0x0000000000D20000-memory.dmp

memory/1188-10-0x0000000000CC0000-0x0000000000D20000-memory.dmp

memory/1188-12-0x0000000140000000-0x00000001401BD000-memory.dmp

memory/1188-8-0x0000000000CC0000-0x0000000000D20000-memory.dmp

memory/1188-1-0x0000000000CC0000-0x0000000000D20000-memory.dmp

memory/1188-0-0x0000000140000000-0x00000001401BD000-memory.dmp