Overview

overview

10

Static

static

10

b3f7880914...76.exe

windows10-2004-x64

10

b3f7880914...76.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    b3f7880914a7bebfec892f6c11d14c0f2e99cbcf1900834d8f586379ddd26176
  • Size 45KB
  • Sample260601-nbb26aby3q
  • SHA256 b3f7880914a7bebfec892f6c11d14c0f2e99cbcf1900834d8f586379ddd26176
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sech.top:443

  • sech.top:80

  • sech.top:7797

  • sech.top:8707

  • sech.top:6620

  • www.sech.top:443

  • www.sech.top:80

  • www.sech.top:7797

  • www.sech.top:8707

  • www.sech.top:6620

  • melissa.sech.top:443

  • melissa.sech.top:80

  • melissa.sech.top:7797

  • melissa.sech.top:8707

  • melissa.sech.top:6620

  • wannacry.sech.top:443

  • wannacry.sech.top:80

  • wannacry.sech.top:7797

  • wannacry.sech.top:8707

  • wannacry.sech.top:6620

Mutex

  • 7zjBWlNC8L9q

Attributes
  • delay

    0

  • install

    true

  • install_file

    1e0xc41.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      b3f7880914a7bebfec892f6c11d14c0f2e99cbcf1900834d8f586379ddd26176
    • Size 45KB
    • SHA256 b3f7880914a7bebfec892f6c11d14c0f2e99cbcf1900834d8f586379ddd26176
    • 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