General

  • Target

    a9f1215f28adae7f7ef4c93b78054a5a8c439e65221b419d2fc5141f4a432cc5.exe

  • Size

    623KB

  • Sample

    240521-byzeraec8s

  • MD5

    455f3d5e90aeebdfaf179deb9bdcdb81

  • SHA1

    5d17dbcd69123a74d3d8642c04e168461db8aac7

  • SHA256

    a9f1215f28adae7f7ef4c93b78054a5a8c439e65221b419d2fc5141f4a432cc5

  • SHA512

    24c0b7db8f8edcaf40b43e56611b3a90137816751f4feae008c34ed24e3bb491f4786d2b580d1cbe1d2dcf135efe14f9adfd659c9f5286f0e44cd2e40c7e9e10

  • SSDEEP

    12288:iAdhKunW8iHWy5li/jaRAQJarXzHl2bu/je:iFvMaWrDHlxC

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    terminal4.veeblehosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ifeanyi1987@

Targets

    • Target

      a9f1215f28adae7f7ef4c93b78054a5a8c439e65221b419d2fc5141f4a432cc5.exe

    • Size

      623KB

    • MD5

      455f3d5e90aeebdfaf179deb9bdcdb81

    • SHA1

      5d17dbcd69123a74d3d8642c04e168461db8aac7

    • SHA256

      a9f1215f28adae7f7ef4c93b78054a5a8c439e65221b419d2fc5141f4a432cc5

    • SHA512

      24c0b7db8f8edcaf40b43e56611b3a90137816751f4feae008c34ed24e3bb491f4786d2b580d1cbe1d2dcf135efe14f9adfd659c9f5286f0e44cd2e40c7e9e10

    • SSDEEP

      12288:iAdhKunW8iHWy5li/jaRAQJarXzHl2bu/je:iFvMaWrDHlxC

    • 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 binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • 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

    • 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 Matrix

Tasks