Malware Analysis Report

2025-03-15 05:41

Sample ID 240510-p2cbaaaf28
Target FbinstTool.exe
SHA256 33f21b2d0169d06647fec7ca493b5659b29533ae03cb15f1d692196214981d49
Tags
aspackv2
score
7/10

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
7/10

SHA256

33f21b2d0169d06647fec7ca493b5659b29533ae03cb15f1d692196214981d49

Threat Level: Shows suspicious behavior

The file FbinstTool.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2

ASPack v2.12-2.42

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-10 12:49

Signatures

ASPack v2.12-2.42

aspackv2
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

2024-05-10 12:49

Reported

2024-05-10 12:52

Platform

win7-20240221-en

Max time kernel

140s

Max time network

119s

Command Line

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

Signatures

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\FbinstTool.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\FbinstTool.exe N/A

Processes

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

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

Network

N/A

Files

memory/2192-0-0x0000000000400000-0x00000000008D2000-memory.dmp

memory/2192-1-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2192-2-0x0000000000400000-0x00000000008D2000-memory.dmp

memory/2192-4-0x0000000000230000-0x0000000000231000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 12:49

Reported

2024-05-10 12:52

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

128s

Command Line

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

Signatures

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\FbinstTool.exe N/A

Processes

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

"C:\Users\Admin\AppData\Local\Temp\FbinstTool.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 --field-trial-handle=3888,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4176 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 91.65.42.20.in-addr.arpa udp

Files

memory/2752-0-0x0000000000400000-0x00000000008D2000-memory.dmp

memory/2752-1-0x00000000027D0000-0x00000000027D1000-memory.dmp

memory/2752-2-0x0000000000400000-0x00000000008D2000-memory.dmp

memory/2752-4-0x00000000027D0000-0x00000000027D1000-memory.dmp