General

  • Target
    08082026_1624_07082026_A005210080011-210510.js.zip
  • Size 43KB
  • Sample260808-twelnsaj2x
  • SHA256 a1f9158f6204e6a2d4f9575afa5c7ae176b03783bf377a9cea8b0dc3cab81bef
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.9 A

Botnet
  • TDB

C2
  • axwtexa.ddns.net:2055

  • back001xtc.ddns.net:2055

Mutex
  • TtqEcUMQu4fw

Attributes
  • delay

    5

  • install

    false

  • install_file

    null

  • install_folder

    null

aes.plain

Targets

    • Target
      A005210080011-210510.js
    • Size 43KB
    • SHA256 f276c0e7432f7aee83e45d60eae2b2d7ba76b8ac8e1be9a69f024719fd31b24f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AsyncRat

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

    • Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound

      Network activity triggered a Suricata alert

    • Badlisted process makes network request

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Adds Run key to start application

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks