General

  • Target

    Test.exe

  • Size

    4.0MB

  • Sample

    241119-hvkwhswqer

  • MD5

    55603e2a16f0a6d517d63ec1552e45ed

  • SHA1

    2ebc5c1cbff5675f2c13f06e45e5039940107077

  • SHA256

    bbd2b2f19bef121ba2bff9bc1a40227e8114494b55165f3cbd8e53e59fc9daec

  • SHA512

    13475013baee647999c12ef8648492b7a841ed549582782ea45dccb0a5c4a05bcf3374374f1c72c5de8376741eb2ca5215f6d87a2802a4af49b56fd4cc2b7666

  • SSDEEP

    768:WtoQVuOPx178nkC8A+XICpeyr61urX1+T4uoSBGHmDbDzph0oX3ZErGSucdpqKYC:WVxXPn0tYUbph93ZEFucdpqKmY7

Malware Config

Extracted

Family

asyncrat

Botnet

Victim

C2

193.161.193.99:36700

Attributes
  • delay

    1

  • install

    true

  • install_file

    sysvlrhp.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Test.exe

    • Size

      4.0MB

    • MD5

      55603e2a16f0a6d517d63ec1552e45ed

    • SHA1

      2ebc5c1cbff5675f2c13f06e45e5039940107077

    • SHA256

      bbd2b2f19bef121ba2bff9bc1a40227e8114494b55165f3cbd8e53e59fc9daec

    • SHA512

      13475013baee647999c12ef8648492b7a841ed549582782ea45dccb0a5c4a05bcf3374374f1c72c5de8376741eb2ca5215f6d87a2802a4af49b56fd4cc2b7666

    • SSDEEP

      768:WtoQVuOPx178nkC8A+XICpeyr61urX1+T4uoSBGHmDbDzph0oX3ZErGSucdpqKYC:WVxXPn0tYUbph93ZEFucdpqKmY7

    • AsyncRat

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

    • Asyncrat family

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Async RAT payload

    • Renames multiple (3116) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks