General

  • Target

    f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe

  • Size

    1.2MB

  • Sample

    240522-c51f3ahg24

  • MD5

    0121ac85dac0e08a52e66625dd8f7b76

  • SHA1

    c584b4edae0914020a6b46690bfc2f2ca0e3f2e0

  • SHA256

    f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33

  • SHA512

    1ebe1cc2f221b0148197d770b50aebc19af17244f859540963c99bc3e2e3dfa1db0b042d0f9c36d4d6754eb597f60d2ed5757e30fb7c7eb88767895d407c8f11

  • SSDEEP

    24576:6XMUEIvSt6qJ3zH6s5K4Z3LNeBXr3v6QXBUdAiZO8IZO:y0mM3LclTdviUvZO

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.brusln.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Countrycode@2024

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe

    • Size

      1.2MB

    • MD5

      0121ac85dac0e08a52e66625dd8f7b76

    • SHA1

      c584b4edae0914020a6b46690bfc2f2ca0e3f2e0

    • SHA256

      f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33

    • SHA512

      1ebe1cc2f221b0148197d770b50aebc19af17244f859540963c99bc3e2e3dfa1db0b042d0f9c36d4d6754eb597f60d2ed5757e30fb7c7eb88767895d407c8f11

    • SSDEEP

      24576:6XMUEIvSt6qJ3zH6s5K4Z3LNeBXr3v6QXBUdAiZO8IZO:y0mM3LclTdviUvZO

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables packed with or use KoiVM

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks