General

  • Target

    7cbf4e7fdbd429d28e0eb54ca72a92f1af2cc6de478ef4a8f34643f1a3d8f71b.exe

  • Size

    760KB

  • Sample

    240612-b3r68syajd

  • MD5

    8c63669cafe7157313a4f29899db4e47

  • SHA1

    c1392caea7dd55e08183f70e770ce2ef2beb6355

  • SHA256

    7cbf4e7fdbd429d28e0eb54ca72a92f1af2cc6de478ef4a8f34643f1a3d8f71b

  • SHA512

    e769d0d6a73f6fcc587f6a932aef84996e6681dbace8611c9d5e31f897cbd7a2b9f92f5932e47868d19bba340bb1c788a81efac880701b2cdd36e8284040b85c

  • SSDEEP

    12288:n3MD3HH3DI+KVQbSyaXPkTywNyDpufXfccaXe2z67lXheeAEyPh6j2Q:3MjH3DIRVQfekTy42Aiz6N2zQ

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

Targets

    • Target

      7cbf4e7fdbd429d28e0eb54ca72a92f1af2cc6de478ef4a8f34643f1a3d8f71b.exe

    • Size

      760KB

    • MD5

      8c63669cafe7157313a4f29899db4e47

    • SHA1

      c1392caea7dd55e08183f70e770ce2ef2beb6355

    • SHA256

      7cbf4e7fdbd429d28e0eb54ca72a92f1af2cc6de478ef4a8f34643f1a3d8f71b

    • SHA512

      e769d0d6a73f6fcc587f6a932aef84996e6681dbace8611c9d5e31f897cbd7a2b9f92f5932e47868d19bba340bb1c788a81efac880701b2cdd36e8284040b85c

    • SSDEEP

      12288:n3MD3HH3DI+KVQbSyaXPkTywNyDpufXfccaXe2z67lXheeAEyPh6j2Q:3MjH3DIRVQfekTy42Aiz6N2zQ

    • 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 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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks