Overview

overview

10

Static

static

10

blodsa.exe

windows10-2004-x64

10

blodsa.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    blodsa.exe
  • Size 48KB
  • Sample260809-ldvaeavcra
  • SHA256 d92dbd750d8616cb72801b5ca49d5da4325a8421e4707b831346a98c66a7efb6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 789win01.cyou:6606

  • 789win01.cyou:80

  • 789win01.cyou:8080

  • 789win01.cyou:443

  • 789win01.cyou:8443

  • 789win01.cyou:22

  • 789win01.cyou:23

  • nk88.royalgroupofcompanies.in/vn/:6606

  • nk88.royalgroupofcompanies.in/vn/:80

  • nk88.royalgroupofcompanies.in/vn/:8080

  • nk88.royalgroupofcompanies.in/vn/:443

  • nk88.royalgroupofcompanies.in/vn/:8443

  • nk88.royalgroupofcompanies.in/vn/:22

  • nk88.royalgroupofcompanies.in/vn/:23

  • royalgroupofcompanies.in/vn/:6606

  • royalgroupofcompanies.in/vn/:80

  • royalgroupofcompanies.in/vn/:8080

  • royalgroupofcompanies.in/vn/:443

  • royalgroupofcompanies.in/vn/:8443

  • royalgroupofcompanies.in/vn/:22

Mutex

  • QY1NvNVuFCbG

Attributes
  • delay

    3

  • install

    true

  • install_file

    GoogleUpdate.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      blodsa.exe
    • Size 48KB
    • SHA256 d92dbd750d8616cb72801b5ca49d5da4325a8421e4707b831346a98c66a7efb6
    • 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