General

  • Target

    Payment Slip -21501120100258.bat.exe

  • Size

    689KB

  • Sample

    240905-qlnvtasdmd

  • MD5

    4204cc89996eedd07e48b855fdfdc773

  • SHA1

    30780fa47a2f022102755d4b33cf429d25a893bb

  • SHA256

    4c06d00bd2ccb64a93bb8019bbea91c83e4f6931d7c7fdc2469545a0a93a9c86

  • SHA512

    74eb0c8298d4c03a7958b00335ea9ec597499fa7682f61f659f0c5a0f68f1eb0270a4aa2133ecdcf431be28e42a02e6660053153141c798c942b1751209b9be3

  • SSDEEP

    12288:tRo1nSVygJA6psrecYWyiKRPTCHDP/8dlgTsL0czZgFwQLr0hKH:tRo1SVVAWs4riAPTCHTYggZgCq+K

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Payment Slip -21501120100258.bat.exe

    • Size

      689KB

    • MD5

      4204cc89996eedd07e48b855fdfdc773

    • SHA1

      30780fa47a2f022102755d4b33cf429d25a893bb

    • SHA256

      4c06d00bd2ccb64a93bb8019bbea91c83e4f6931d7c7fdc2469545a0a93a9c86

    • SHA512

      74eb0c8298d4c03a7958b00335ea9ec597499fa7682f61f659f0c5a0f68f1eb0270a4aa2133ecdcf431be28e42a02e6660053153141c798c942b1751209b9be3

    • SSDEEP

      12288:tRo1nSVygJA6psrecYWyiKRPTCHDP/8dlgTsL0czZgFwQLr0hKH:tRo1SVVAWs4riAPTCHTYggZgCq+K

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks