General

  • Target

    206b4b5ab8a00697a7161de7822d5235e4f9d913e57e503673cc0437c2ddceb0.exe

  • Size

    643KB

  • Sample

    240329-cj55eseh5z

  • MD5

    c45c19b5790cf57045ce3f8222c412f2

  • SHA1

    818996bc52b3ff2d17620bb8d4902d80e7643ab6

  • SHA256

    206b4b5ab8a00697a7161de7822d5235e4f9d913e57e503673cc0437c2ddceb0

  • SHA512

    b87a5db0dbc25ff7b9331598607f6bca602e8167cb002adfd123d541665ff7c8fd0b88a68a990f33e3f28926b7bb2918e4054d6c1924a2eb0b42788d4e588107

  • SSDEEP

    12288:wY5qjl5sV3opXxW603Hioen6ZH6i4bgc6ZLXgf4Kx6IF0TGLqk98h:wY5mvXUH30n656iXD6GIFlrO

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      206b4b5ab8a00697a7161de7822d5235e4f9d913e57e503673cc0437c2ddceb0.exe

    • Size

      643KB

    • MD5

      c45c19b5790cf57045ce3f8222c412f2

    • SHA1

      818996bc52b3ff2d17620bb8d4902d80e7643ab6

    • SHA256

      206b4b5ab8a00697a7161de7822d5235e4f9d913e57e503673cc0437c2ddceb0

    • SHA512

      b87a5db0dbc25ff7b9331598607f6bca602e8167cb002adfd123d541665ff7c8fd0b88a68a990f33e3f28926b7bb2918e4054d6c1924a2eb0b42788d4e588107

    • SSDEEP

      12288:wY5qjl5sV3opXxW603Hioen6ZH6i4bgc6ZLXgf4Kx6IF0TGLqk98h:wY5mvXUH30n656iXD6GIFlrO

    • 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

    • 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