Malware Analysis Report

2025-08-05 11:00

Sample ID 241031-fw6s9s1cme
Target AsyncClient.exe
SHA256 98d6bff2f50003cb2fec1b64ac7d3b8125f493e727192fda52c839d315ae47a6
Tags
asyncrat default discovery rat
score
10/10

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 Overview

score
10/10

SHA256

98d6bff2f50003cb2fec1b64ac7d3b8125f493e727192fda52c839d315ae47a6

Threat Level: Known bad

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

Malicious Activity Summary

asyncrat default discovery rat

Async RAT payload

AsyncRat

Asyncrat family

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 05:14

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

2024-10-31 05:14

Reported

2024-10-31 05:17

Platform

win7-20240903-en

Max time kernel

149s

Max time network

118s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

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\AsyncClient.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:8808 tcp

Files

memory/1732-0-0x00000000740FE000-0x00000000740FF000-memory.dmp

memory/1732-1-0x0000000000220000-0x0000000000232000-memory.dmp

memory/1732-2-0x00000000740F0000-0x00000000747DE000-memory.dmp

memory/1732-3-0x00000000740FE000-0x00000000740FF000-memory.dmp

memory/1732-4-0x00000000740F0000-0x00000000747DE000-memory.dmp