Malware Analysis Report

2025-08-05 11:00

Sample ID 241031-fvfkpa1dnp
Target AsyncClient.exe
SHA256 649bf5471c340ffec7574c47217a3a5556ab2a1fac102014cc359b0109c2fd03
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

649bf5471c340ffec7574c47217a3a5556ab2a1fac102014cc359b0109c2fd03

Threat Level: Known bad

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

Malicious Activity Summary

asyncrat default discovery rat

AsyncRat

Asyncrat family

Async RAT payload

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 05:11

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 05:11

Reported

2024-10-31 05:29

Platform

win7-20241010-en

Max time kernel

1047s

Max time network

846s

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe N/A
Token: SeDebugPrivilege N/A 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 127.0.0.1:8808 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 127.0.0.1:8808 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 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 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 127.0.0.1:6606 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 127.0.0.1:6606 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 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 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
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 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 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 127.0.0.1:8808 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 127.0.0.1:8808 tcp
N/A 127.0.0.1:6606 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 127.0.0.1:7707 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 127.0.0.1:8808 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 127.0.0.1:8808 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:7707 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 127.0.0.1:8808 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 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 127.0.0.1:7707 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 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 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
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 127.0.0.1:6606 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 127.0.0.1:6606 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 127.0.0.1:6606 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 127.0.0.1:6606 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 127.0.0.1:7707 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 127.0.0.1:6606 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 127.0.0.1:7707 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 127.0.0.1:6606 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 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 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 127.0.0.1:8808 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 127.0.0.1:6606 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 127.0.0.1:7707 tcp
N/A 127.0.0.1:7707 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 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:8808 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 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:8808 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 127.0.0.1:7707 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 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 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
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 127.0.0.1:7707 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

Files

memory/1940-1-0x0000000000AF0000-0x0000000000B02000-memory.dmp

memory/1940-0-0x000000007445E000-0x000000007445F000-memory.dmp

memory/1940-2-0x0000000074450000-0x0000000074B3E000-memory.dmp

memory/1940-3-0x000000007445E000-0x000000007445F000-memory.dmp

memory/1940-4-0x0000000074450000-0x0000000074B3E000-memory.dmp