Overview

overview

10

Static

static

10

f04c734891...15.exe

windows10-2004-x64

10

f04c734891...15.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    f04c734891e649617a8bdaf402dac62e44c969a0beb8f03fad7ac85f0081a315
  • Size 45KB
  • Sample260601-nb5dpshx8x
  • SHA256 f04c734891e649617a8bdaf402dac62e44c969a0beb8f03fad7ac85f0081a315
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • fimsex.blog:443

  • fimsex.blog:80

  • fimsex.blog:7797

  • fimsex.blog:8707

  • fimsex.blog:6620

  • www.fimsex.blog:443

  • www.fimsex.blog:80

  • www.fimsex.blog:7797

  • www.fimsex.blog:8707

  • www.fimsex.blog:6620

  • trisis.fimsex.blog:443

  • trisis.fimsex.blog:80

  • trisis.fimsex.blog:7797

  • trisis.fimsex.blog:8707

  • trisis.fimsex.blog:6620

  • nimda.fimsex.blog:443

  • nimda.fimsex.blog:80

  • nimda.fimsex.blog:7797

  • nimda.fimsex.blog:8707

  • nimda.fimsex.blog:6620

Mutex

  • HJ5nDeEOtmxs

Attributes
  • delay

    0

  • install

    true

  • install_file

    fqa7.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      f04c734891e649617a8bdaf402dac62e44c969a0beb8f03fad7ac85f0081a315
    • Size 45KB
    • SHA256 f04c734891e649617a8bdaf402dac62e44c969a0beb8f03fad7ac85f0081a315
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

    • Async RAT payload

      rat

    • Family: AsyncRat

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

      ratasyncrat

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks