Malware Analysis Report

2025-03-14 22:31

Sample ID 240304-rftdsadb63
Target b252d2cb3ead229aebe59001827661e1
SHA256 dc3dcadf20fc6aae8a5e6d4a9fd6feaf44f12166077f95dfffc4634924ab713d
Tags
persistence
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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
6/10

SHA256

dc3dcadf20fc6aae8a5e6d4a9fd6feaf44f12166077f95dfffc4634924ab713d

Threat Level: Shows suspicious behavior

The file b252d2cb3ead229aebe59001827661e1 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Adds Run key to start application

Drops file in System32 directory

Drops file in Program Files directory

Unsigned PE

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-04 14:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-04 14:08

Reported

2024-03-04 14:11

Platform

win7-20240221-en

Max time kernel

120s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ie.exe = "C:\\Program Files\\Internet Explorer\\ie.exe" C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\taskmgr.exe C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\Internet Explorer\ie.exe C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe N/A
File created C:\Program Files\Internet Explorer\ie.exe C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe

"C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-04 14:08

Reported

2024-03-04 14:11

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ie.exe = "C:\\Program Files\\Internet Explorer\\ie.exe" C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\taskmgr.exe C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\Internet Explorer\ie.exe C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe N/A
File created C:\Program Files\Internet Explorer\ie.exe C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.exe

"C:\Users\Admin\AppData\Local\Temp\b252d2cb3ead229aebe59001827661e1.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=1032 --field-trial-handle=2700,i,14629483171127516024,12350888228055326066,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 200.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 41.110.16.96.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 18.134.221.88.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 172.178.17.96.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 142.250.180.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 10.180.250.142.in-addr.arpa udp

Files

N/A