General

  • Target

    b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe

  • Size

    936KB

  • Sample

    240910-clqshssbjq

  • MD5

    92e31906e68e746776729036b82e59a1

  • SHA1

    40f9317b50000be6b391d07911e68f2a206a98f8

  • SHA256

    b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41

  • SHA512

    4f2ccbe7df1b29faef95c3199ed9cdc103bd66af4ba7efc8905cad9a33bc8deefd6b31a9f898b2780bfeb3e02b08f962a917edfd9001881afc4eb34db85e9317

  • SSDEEP

    24576:bnUoby03y3pDpO6BAjCC/ntp7ugb8fzW1YYuX0J:bUCcE6+jCCPbugczWZdJ

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe

    • Size

      936KB

    • MD5

      92e31906e68e746776729036b82e59a1

    • SHA1

      40f9317b50000be6b391d07911e68f2a206a98f8

    • SHA256

      b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41

    • SHA512

      4f2ccbe7df1b29faef95c3199ed9cdc103bd66af4ba7efc8905cad9a33bc8deefd6b31a9f898b2780bfeb3e02b08f962a917edfd9001881afc4eb34db85e9317

    • SSDEEP

      24576:bnUoby03y3pDpO6BAjCC/ntp7ugb8fzW1YYuX0J:bUCcE6+jCCPbugczWZdJ

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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.

    • 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