General

  • Target

    e62255f98543e0bb1abf017af13fd483e1382158021b7edde65fa55c1ad290cf.exe

  • Size

    822KB

  • Sample

    240427-b3ewxagd58

  • MD5

    df0a67f2a0c162c5a5dee0a8fcd8ab22

  • SHA1

    07981693f5b38fa99a88aca0e13ba5b6022b1465

  • SHA256

    e62255f98543e0bb1abf017af13fd483e1382158021b7edde65fa55c1ad290cf

  • SHA512

    b62ea9a4710dfc855cfd47f2c0cb8787c9ea6b1159387431d1cc70b5989dd59086aaadd62e42fea9b21d28834b6ece20dc1715245762d026e48e315544529f75

  • SSDEEP

    12288:zPqnHvjNIrpf9rN/mc/CQw5PXdFPemY3kI26WE+34DO2IOxzV2SYm9nEix9H82rF:zyPjKr5BNDuXvfY0RfmIkzLNP5rJ

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      e62255f98543e0bb1abf017af13fd483e1382158021b7edde65fa55c1ad290cf.exe

    • Size

      822KB

    • MD5

      df0a67f2a0c162c5a5dee0a8fcd8ab22

    • SHA1

      07981693f5b38fa99a88aca0e13ba5b6022b1465

    • SHA256

      e62255f98543e0bb1abf017af13fd483e1382158021b7edde65fa55c1ad290cf

    • SHA512

      b62ea9a4710dfc855cfd47f2c0cb8787c9ea6b1159387431d1cc70b5989dd59086aaadd62e42fea9b21d28834b6ece20dc1715245762d026e48e315544529f75

    • SSDEEP

      12288:zPqnHvjNIrpf9rN/mc/CQw5PXdFPemY3kI26WE+34DO2IOxzV2SYm9nEix9H82rF:zyPjKr5BNDuXvfY0RfmIkzLNP5rJ

    • 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

    • Checks computer location settings

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

    • 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.

    • 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