General

  • Target

    MV TBN CALL PORT FOR LOADING COAL_pdf.exe

  • Size

    619KB

  • Sample

    240911-qk384ssdql

  • MD5

    c7ccd6f20a8823292de551558f4c800d

  • SHA1

    21fdbfc05880349c3142cbd81b7e730dbd3b6519

  • SHA256

    db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6

  • SHA512

    d99203b937997242466ee5d9f940455b88c137528996ac24a28c6832b22f9ae2b03ccd12ac3df838243a37e75ecfa8563dddead74af1fbbfed567c982f7ad0dd

  • SSDEEP

    12288:m07kvZsu2BNGp1e5tDbXZz73ftkdjQwIbhlEqbffAxrtOhE4Z:m0oZwCe51XZ/tkdRqbff25

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://cash4cars.nz
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -[([pqM~nGA4

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    cash4cars.nz
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -[([pqM~nGA4

Targets

    • Target

      MV TBN CALL PORT FOR LOADING COAL_pdf.exe

    • Size

      619KB

    • MD5

      c7ccd6f20a8823292de551558f4c800d

    • SHA1

      21fdbfc05880349c3142cbd81b7e730dbd3b6519

    • SHA256

      db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6

    • SHA512

      d99203b937997242466ee5d9f940455b88c137528996ac24a28c6832b22f9ae2b03ccd12ac3df838243a37e75ecfa8563dddead74af1fbbfed567c982f7ad0dd

    • SSDEEP

      12288:m07kvZsu2BNGp1e5tDbXZz73ftkdjQwIbhlEqbffAxrtOhE4Z:m0oZwCe51XZ/tkdRqbff25

    • 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