Overview

overview

10

Static

static

10

AsyncClient.exe

windows10-2004-x64

10

AsyncClient.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260529-v2df8sa18w
  • SHA256 c59f9da72a678a7a5ec8ded96f868f1773567cdf0d2cf4b64c1f354d4cc66af4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • xn--efax-3k9f8980a.jp.net:6606

  • xn--efax-3k9f8980a.jp.net:7707

  • xn--efax-3k9f8980a.jp.net:8808

  • xn--efax-3k9f8980a.jp.net:443

  • xn--efax-3k9f8980a.jp.net:80

  • xn--efax-3k9f8980a.jp.net:8844

  • xn--efax-3k9f8980a.jp.net:22

  • xn--efax-3k9f8980a.jp.net:53

Mutex

  • FtTRmAL1FxCo

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      AsyncClient.exe
    • Size 45KB
    • SHA256 c59f9da72a678a7a5ec8ded96f868f1773567cdf0d2cf4b64c1f354d4cc66af4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultdiscoveryasyncratrat

    • Family: AsyncRat

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

      ratasyncrat

    • Unexpected DNS network traffic destination

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks