Overview

overview

10

Static

static

10

AsyncClient.exe

windows10-2004-x64

10

AsyncClient.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 04:35

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General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260522-e7skcaht2w
  • SHA256 c6176e7b7ac6fe2e332a80eea2e51c353fee524f285d2dd06d3c2a6498175fd7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdiscoveryasyncratrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • bananacrypto.io:6606

  • bananacrypto.io:7707

  • bananacrypto.io:8808

  • bananacrypto.io:443

  • bananacrypto.io:80

  • bananacrypto.io:8844

  • bananacrypto.io:22

  • bananacrypto.io:53

  • sourceshield.io:6606

  • sourceshield.io:7707

  • sourceshield.io:8808

  • sourceshield.io:443

  • sourceshield.io:80

  • sourceshield.io:8844

  • sourceshield.io:22

  • sourceshield.io:53

  • vlux.io:6606

  • vlux.io:7707

  • vlux.io:8808

  • vlux.io:443

Mutex

  • FtTRmAL1FxCo

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

    ratasyncrat
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe
    "C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5112

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/5112-0-0x00000000001E0000-0x00000000001F2000-memory.dmp
        Download

        memory/5112-1-0x0000000004D70000-0x0000000004D80000-memory.dmp
        Download

        memory/5112-2-0x0000000004D70000-0x0000000004D80000-memory.dmp
        Download