General

  • Target

    257e99de5649380c28fdc949731a22dc8b7d832382addb0adad3338072bf6bfc.exe

  • Size

    668KB

  • Sample

    240903-vvs84sshlf

  • MD5

    a3ef821627916a0e159c90de54b792c8

  • SHA1

    8465ecd7f2020c1fc24b576c938cf349f157d0e7

  • SHA256

    257e99de5649380c28fdc949731a22dc8b7d832382addb0adad3338072bf6bfc

  • SHA512

    0e143bd00739f9ab9152469afdf1bff5276362945426413c2aa5f8fe02ba89a1304298fd52499112c3e4f936301ece530ada0f859d2fd5435c057a75623147f0

  • SSDEEP

    12288:y4ndmopBj/UqGCrsg5Nx9GmTvC/MTYaF4U34/ccHS:fngOMuVrTvC/9aC641y

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mGr{)g5TVG3j

Targets

    • Target

      257e99de5649380c28fdc949731a22dc8b7d832382addb0adad3338072bf6bfc.exe

    • Size

      668KB

    • MD5

      a3ef821627916a0e159c90de54b792c8

    • SHA1

      8465ecd7f2020c1fc24b576c938cf349f157d0e7

    • SHA256

      257e99de5649380c28fdc949731a22dc8b7d832382addb0adad3338072bf6bfc

    • SHA512

      0e143bd00739f9ab9152469afdf1bff5276362945426413c2aa5f8fe02ba89a1304298fd52499112c3e4f936301ece530ada0f859d2fd5435c057a75623147f0

    • SSDEEP

      12288:y4ndmopBj/UqGCrsg5Nx9GmTvC/MTYaF4U34/ccHS:fngOMuVrTvC/9aC641y

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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