General

  • Target

    787129f9a7835aceb064e6ffbc514d5aedfe27cd6e224c035ff7349d79492e75.exe

  • Size

    712KB

  • Sample

    240612-b2sflsxhpf

  • MD5

    fe61ecb89e60d378e970c3cfbe047eb5

  • SHA1

    964bec19eb3d74b11e0ab7f8ca87a8c8d9c99036

  • SHA256

    787129f9a7835aceb064e6ffbc514d5aedfe27cd6e224c035ff7349d79492e75

  • SHA512

    2c8cb4df54ddb7fc274f4efb458d5ecaa7f0235805ed218ecbc1b8ef8ecbb474af632270e97aa9177b36a100471b15f16d21a989105c514707081ea2593d8e56

  • SSDEEP

    12288:hX0pxeV36Di8BtLJVCzaXxloI6lpb6IjqbeSLcvsg2Yhjsc14ZAe2YC0hPZEGvhd:vBFK/1ql8zbap2YJn1JxsxXvhotQ

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      787129f9a7835aceb064e6ffbc514d5aedfe27cd6e224c035ff7349d79492e75.exe

    • Size

      712KB

    • MD5

      fe61ecb89e60d378e970c3cfbe047eb5

    • SHA1

      964bec19eb3d74b11e0ab7f8ca87a8c8d9c99036

    • SHA256

      787129f9a7835aceb064e6ffbc514d5aedfe27cd6e224c035ff7349d79492e75

    • SHA512

      2c8cb4df54ddb7fc274f4efb458d5ecaa7f0235805ed218ecbc1b8ef8ecbb474af632270e97aa9177b36a100471b15f16d21a989105c514707081ea2593d8e56

    • SSDEEP

      12288:hX0pxeV36Di8BtLJVCzaXxloI6lpb6IjqbeSLcvsg2Yhjsc14ZAe2YC0hPZEGvhd:vBFK/1ql8zbap2YJn1JxsxXvhotQ

    • 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