General

  • Target

    985f3a90e2586583a9913bc78484f4b3fb824bb08d9ccac14f229df08928477a.exe

  • Size

    2.3MB

  • Sample

    240612-b89cpsybmd

  • MD5

    285fee9261cc0f1ff6b69c10b6a2cbc9

  • SHA1

    058613d120360a7cc86901a316fb9704c0596c16

  • SHA256

    985f3a90e2586583a9913bc78484f4b3fb824bb08d9ccac14f229df08928477a

  • SHA512

    710ea284e0ac25491a5129c1c968c418673a0d191bfe25baae8d77cd0701fda357adbf68adf06e6b0d08221dbfe5b66d9a5ffb2244297b907fa7d799f63a2278

  • SSDEEP

    3072:k9LlfupJWPlE3ziE1wKtV5iEn+hFWd/7Udrfm2ukEg0Xvgb4TlvAYVQWfLoU8mow:kJ

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      985f3a90e2586583a9913bc78484f4b3fb824bb08d9ccac14f229df08928477a.exe

    • Size

      2.3MB

    • MD5

      285fee9261cc0f1ff6b69c10b6a2cbc9

    • SHA1

      058613d120360a7cc86901a316fb9704c0596c16

    • SHA256

      985f3a90e2586583a9913bc78484f4b3fb824bb08d9ccac14f229df08928477a

    • SHA512

      710ea284e0ac25491a5129c1c968c418673a0d191bfe25baae8d77cd0701fda357adbf68adf06e6b0d08221dbfe5b66d9a5ffb2244297b907fa7d799f63a2278

    • SSDEEP

      3072:k9LlfupJWPlE3ziE1wKtV5iEn+hFWd/7Udrfm2ukEg0Xvgb4TlvAYVQWfLoU8mow:kJ

    • 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

    • 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