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Resubmissions

12/03/2025, 21:39

250312-1h3vnstydt 10

12/03/2025, 21:38

250312-1hdksavry9 3

General

  • Target

    lossless scaling.zip

  • Size

    5.5MB

  • Sample

    250312-1h3vnstydt

  • MD5

    d2e4fa32c67e93a31f6b70959148d4bb

  • SHA1

    fe3ba3583e8fcd9aac038f7499f1afc92d7a42c1

  • SHA256

    2ccadf97d8ed69f4aeadda65e580d68467e3b181ab3ba85915e32ed426b2dc6d

  • SHA512

    8e49cca80e0dcd1564cd4fd721dd5c6ab9c86bc5ada0e808bf6dbe4ffbcf4164d599a92187e7164c3f4760aa5498666de3759b0d50e4abbb7c3c5885ea770a6b

  • SSDEEP

    98304:8B8hAA4A/lCXaiy+qHvDAjNXbV4lhCNQGZlJ6Be+4YQDJ3WG347BnRX9F7h/MhJG:8qyFpXaiy+qP0XJ4DIQI8BePYQV3TgZd

Malware Config

Extracted

Family

asyncrat

Version

A 14

Botnet

Default

C2

nams.ddnsfree.com:409

aliomar.ooguy.com:409

Mutex

MaterxMutex_Egypt409

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      lossless scaling.zip

    • Size

      5.5MB

    • MD5

      d2e4fa32c67e93a31f6b70959148d4bb

    • SHA1

      fe3ba3583e8fcd9aac038f7499f1afc92d7a42c1

    • SHA256

      2ccadf97d8ed69f4aeadda65e580d68467e3b181ab3ba85915e32ed426b2dc6d

    • SHA512

      8e49cca80e0dcd1564cd4fd721dd5c6ab9c86bc5ada0e808bf6dbe4ffbcf4164d599a92187e7164c3f4760aa5498666de3759b0d50e4abbb7c3c5885ea770a6b

    • SSDEEP

      98304:8B8hAA4A/lCXaiy+qHvDAjNXbV4lhCNQGZlJ6Be+4YQDJ3WG347BnRX9F7h/MhJG:8qyFpXaiy+qP0XJ4DIQI8BePYQV3TgZd

    • AsyncRat

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

    • Asyncrat family

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks