Malware Analysis Report

2024-09-22 06:59

Sample ID 240621-g5prsazdjb
Target smss.exe
SHA256 c5cbda7d8c16b604f27f1f269625f7ac1a66575877a7043ddd33b23fa706ea35
Tags
rat default asyncrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c5cbda7d8c16b604f27f1f269625f7ac1a66575877a7043ddd33b23fa706ea35

Threat Level: Known bad

The file smss.exe was found to be: Known bad.

Malicious Activity Summary

rat default asyncrat

AsyncRat

Async RAT payload

Asyncrat family

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-21 06:23

Signatures

Async RAT payload

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

Asyncrat family

asyncrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-21 06:23

Reported

2024-06-21 06:26

Platform

win7-20240611-en

Max time kernel

147s

Max time network

149s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 4.tcp.eu.ngrok.io N/A N/A
N/A 4.tcp.eu.ngrok.io N/A N/A
N/A 4.tcp.eu.ngrok.io N/A N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.tcp.eu.ngrok.io udp
DE 3.127.59.75:11252 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:11252 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:11252 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:11252 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:11252 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:11252 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:11252 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:11252 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:11252 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:11252 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 4.tcp.eu.ngrok.io udp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 4.tcp.eu.ngrok.io udp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp
DE 35.158.159.254:11252 4.tcp.eu.ngrok.io tcp

Files

memory/2016-0-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

memory/2016-1-0x0000000000340000-0x0000000000352000-memory.dmp

memory/2016-2-0x0000000073FA0000-0x000000007468E000-memory.dmp

memory/2016-3-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

memory/2016-4-0x0000000073FA0000-0x000000007468E000-memory.dmp