Malware Analysis Report

2024-10-24 17:01

Sample ID 240903-d9fg5axekb
Target fcd26c347d44865d2d8cb328b5257f8873e0802ffc6f92d95f18a31c8a09add8
SHA256 fcd26c347d44865d2d8cb328b5257f8873e0802ffc6f92d95f18a31c8a09add8
Tags
discovery hzrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fcd26c347d44865d2d8cb328b5257f8873e0802ffc6f92d95f18a31c8a09add8

Threat Level: Known bad

The file fcd26c347d44865d2d8cb328b5257f8873e0802ffc6f92d95f18a31c8a09add8 was found to be: Known bad.

Malicious Activity Summary

discovery hzrat

Detects HZRAT backdoor

Hzrat family

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-03 03:42

Signatures

Detects HZRAT backdoor

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

Hzrat family

hzrat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-03 03:42

Reported

2024-09-03 03:44

Platform

win10v2004-20240802-en

Max time kernel

125s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcd26c347d44865d2d8cb328b5257f8873e0802ffc6f92d95f18a31c8a09add8.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fcd26c347d44865d2d8cb328b5257f8873e0802ffc6f92d95f18a31c8a09add8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fcd26c347d44865d2d8cb328b5257f8873e0802ffc6f92d95f18a31c8a09add8.exe

"C:\Users\Admin\AppData\Local\Temp\fcd26c347d44865d2d8cb328b5257f8873e0802ffc6f92d95f18a31c8a09add8.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4692 -ip 4692

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 232

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 --field-trial-handle=4448,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8

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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.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 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 7.173.189.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-03 03:42

Reported

2024-09-03 03:44

Platform

win7-20240704-en

Max time kernel

15s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcd26c347d44865d2d8cb328b5257f8873e0802ffc6f92d95f18a31c8a09add8.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\fcd26c347d44865d2d8cb328b5257f8873e0802ffc6f92d95f18a31c8a09add8.exe

"C:\Users\Admin\AppData\Local\Temp\fcd26c347d44865d2d8cb328b5257f8873e0802ffc6f92d95f18a31c8a09add8.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 52

Network

N/A

Files

N/A