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General

  • Target

    a682de1d74f7f924fefe2a35d48962c15a33c30029187c6e080235359d7ff0af.exe

  • Size

    676KB

  • Sample

    240502-cbd1zafh62

  • MD5

    5f83306eee97a41d878ca9372eb8e9c1

  • SHA1

    4d63d299738a9aeaa9163f0088e0eb564ee776c8

  • SHA256

    a682de1d74f7f924fefe2a35d48962c15a33c30029187c6e080235359d7ff0af

  • SHA512

    7e72bf1a8a6f666f6ee6151ed34cf40e743d736f08559afe501249a59b28e4f7e4052a1779b4ecbdff8c1901ac1c7c46946b4a5ad719c1f2c5a89800a87a6dab

  • SSDEEP

    12288:qeB+8ut3o4a8TOgfWUiAcoIXn7xiHoaYyqido0gEXlciWdy/wXCQI:88Ko4bf2AZiEIaYedNgOvQXB

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.kanya-mittaphab.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    E81ZbeDb]r]+

Targets

    • Target

      a682de1d74f7f924fefe2a35d48962c15a33c30029187c6e080235359d7ff0af.exe

    • Size

      676KB

    • MD5

      5f83306eee97a41d878ca9372eb8e9c1

    • SHA1

      4d63d299738a9aeaa9163f0088e0eb564ee776c8

    • SHA256

      a682de1d74f7f924fefe2a35d48962c15a33c30029187c6e080235359d7ff0af

    • SHA512

      7e72bf1a8a6f666f6ee6151ed34cf40e743d736f08559afe501249a59b28e4f7e4052a1779b4ecbdff8c1901ac1c7c46946b4a5ad719c1f2c5a89800a87a6dab

    • SSDEEP

      12288:qeB+8ut3o4a8TOgfWUiAcoIXn7xiHoaYyqido0gEXlciWdy/wXCQI:88Ko4bf2AZiEIaYedNgOvQXB

    • 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 binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • 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.

    • 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