General

  • Target

    473a8dd3d40e70215725190cf7769b1a7f724c99010ceacb4a9b74d53bd4737b.exe

  • Size

    890KB

  • Sample

    240612-bq8cpaxena

  • MD5

    f9e866a9d75ffe5d20e596a5df693be9

  • SHA1

    dcacaf1d6ec0a15265558c18b502b35ec310d2bc

  • SHA256

    473a8dd3d40e70215725190cf7769b1a7f724c99010ceacb4a9b74d53bd4737b

  • SHA512

    595191a9b0d536c0931913099ded25ca040231ce699a365e31f48d9cc7b970f2b9c24b52b932b07a3381ee7b7651f9b140b24e024ea500fb0365126228e81c0f

  • SSDEEP

    24576:SXegNlU71DIcWzlqHcEj9CLawSPb0pmR:0egNlEszYHj6OPb0pm

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      473a8dd3d40e70215725190cf7769b1a7f724c99010ceacb4a9b74d53bd4737b.exe

    • Size

      890KB

    • MD5

      f9e866a9d75ffe5d20e596a5df693be9

    • SHA1

      dcacaf1d6ec0a15265558c18b502b35ec310d2bc

    • SHA256

      473a8dd3d40e70215725190cf7769b1a7f724c99010ceacb4a9b74d53bd4737b

    • SHA512

      595191a9b0d536c0931913099ded25ca040231ce699a365e31f48d9cc7b970f2b9c24b52b932b07a3381ee7b7651f9b140b24e024ea500fb0365126228e81c0f

    • SSDEEP

      24576:SXegNlU71DIcWzlqHcEj9CLawSPb0pmR:0egNlEszYHj6OPb0pm

    • 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.

    • 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