General

  • Target

    f064387ab391aff2b0d120df58a0a98e269843462aca86076a9cb113885bd2cc.exe

  • Size

    677KB

  • Sample

    240409-dasneafg9s

  • MD5

    16840755455640657de48aa81c0f5247

  • SHA1

    4b64f121ed06741bb1a36f023beb7a10e26d0b27

  • SHA256

    f064387ab391aff2b0d120df58a0a98e269843462aca86076a9cb113885bd2cc

  • SHA512

    ed171d8af700f10e63577297c2626a0de99e0099c2a2c58b45731e0255aa923ac5e0b66dff6df28ffdf05b8b7d4cdc403dc74782f9efa5bda6dfb80b377df38b

  • SSDEEP

    12288:aFIB1oVeon3X8hq7WyqJoZnglXHQAM8vj4sbROgnSu2yqfbXxko7EF:aFqo53Mhq7WyqOnK3QkROGbZqjHi

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      f064387ab391aff2b0d120df58a0a98e269843462aca86076a9cb113885bd2cc.exe

    • Size

      677KB

    • MD5

      16840755455640657de48aa81c0f5247

    • SHA1

      4b64f121ed06741bb1a36f023beb7a10e26d0b27

    • SHA256

      f064387ab391aff2b0d120df58a0a98e269843462aca86076a9cb113885bd2cc

    • SHA512

      ed171d8af700f10e63577297c2626a0de99e0099c2a2c58b45731e0255aa923ac5e0b66dff6df28ffdf05b8b7d4cdc403dc74782f9efa5bda6dfb80b377df38b

    • SSDEEP

      12288:aFIB1oVeon3X8hq7WyqJoZnglXHQAM8vj4sbROgnSu2yqfbXxko7EF:aFqo53Mhq7WyqOnK3QkROGbZqjHi

    • 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 SmartAssembly

    • 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

    • Checks computer location settings

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

    • 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