Overview

overview

10

Static

static

1

sostener1.vbs

windows10-2004-x64

10

sostener1.vbs

windows11-21h2-x64

10

Sharing

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General

  • Target
    sostener1.vbs
  • Size 8.9MB
  • Sample251001-nr6lpsel2w
  • SHA256 1ef5779b9c6e0d1336f61ca42ed01e7a191da15a151ed0954bf09f9cf1773963
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
asyncratmedellindiscoveryexecutionrat

Malware Config

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://firebasestorage.googleapis.com/v0/b/loloer3434.firebasestorage.app/o/ab23%2Fdllskyyyyyyyyyyyyyyy.txt?alt=media&token=ba6fc66c-551c-42b7-934c-808e6e48e247
  • exe.dropper

    https://firebasestorage.googleapis.com/v0/b/loloer3434.firebasestorage.app/o/ab23%2Fdllskyyyyyyyyyyyyyyy.txt?alt=media&token=ba6fc66c-551c-42b7-934c-808e6e48e247

Extracted

Family

  • asyncrat

Version

  • 1.0.7

Botnet

  • medellin

C2

  • medellin2027.duckdns.org:1111

Mutex

  • DcRat*66Mutex_qwqdanchundedfCCCC

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      sostener1.vbs
    • Size 8.9MB
    • SHA256 1ef5779b9c6e0d1336f61ca42ed01e7a191da15a151ed0954bf09f9cf1773963
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    medellindiscoveryexecutionasyncratrat

    • AsyncRat

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

      ratasyncrat

    • Asyncrat family

      asyncrat

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Checks computer location settings

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks