Malware Analysis Report

2024-11-13 15:24

Sample ID 240619-abma8szclh
Target 2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk
SHA256 063c940fae5d316c85cbf0290dc911b8fa5ebe474c755a66db8ff84657ec1bec
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

063c940fae5d316c85cbf0290dc911b8fa5ebe474c755a66db8ff84657ec1bec

Threat Level: Likely benign

The file 2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_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

2024-06-19 00:02

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

2024-06-19 00:02

Reported

2024-06-19 00:05

Platform

win7-20240611-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2248 -s 64

Network

N/A

Files

memory/2248-0-0x000000013FD90000-0x000000013FDEE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 00:02

Reported

2024-06-19 00:05

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_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=4136 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.178.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 10.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/3364-0-0x00007FF60F9B0000-0x00007FF60FA0E000-memory.dmp