Overview

overview

10

Static

static

10

Client.exe

windows10-2004-x64

10

Client.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/05/2026, 16:21

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General

  • Target
    Client.exe
  • Size 48KB
  • Sample260511-tt5ebaev3v
  • SHA256 f5be0cbf870f3d7f9f186052de6d00bf698704902ef262865bd74a20093c49ff
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultasyncratrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 1.0.7

Botnet

  • Default

C2

  • bj88six1.com:80

  • bj88six1.com:53

  • bj88six1.com:443

  • malware.bj88six1.com:80

  • malware.bj88six1.com:53

  • malware.bj88six1.com:443

Mutex

  • DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_file

    Chrome.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
    • Unexpected DNS network traffic destination
    PID:5044

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/5044-0-0x0000000000C30000-0x0000000000C42000-memory.dmp
        Download

        memory/5044-1-0x000000001BA50000-0x000000001BA60000-memory.dmp
        Download

        memory/5044-2-0x0000000001500000-0x000000000150C000-memory.dmp
        Download

        memory/5044-3-0x000000001BA50000-0x000000001BA60000-memory.dmp
        Download