Analysis

  • max time kernel
    92s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 00:02

General

  • Target

    FICHA DE DATOS pdf.exe

  • Size

    401KB

  • MD5

    f45c077196f15e15f1ab08be2ab1aae5

  • SHA1

    2094a31d276ca2e80bb24bf9292bdc7204edeec9

  • SHA256

    9926f8cdeb4894246b7db658d899feccfebcd4dce0cf55616712813cee8575b3

  • SHA512

    576ddd23ee528817477a083b7a6acd1147cc6fad452066b92b143d3a9ade9527bb473926f01ebc04c62aaf0447e2823be4105f0d8965665ecd1ac45beedf1145

  • SSDEEP

    12288:HEct8YY7bZ10b/Npc9tzj7wXIPQv6AFk:HEctPsjeNp6tLwgQ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    lFAvm@p#@z92

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    lFAvm@p#@z92

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FICHA DE DATOS pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FICHA DE DATOS pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Local\Temp\FICHA DE DATOS pdf.exe
      "{path}"
      2⤵
        PID:972
      • C:\Users\Admin\AppData\Local\Temp\FICHA DE DATOS pdf.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1080

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1080-10-0x0000000074CC0000-0x0000000075271000-memory.dmp

      Filesize

      5.7MB

    • memory/1080-3-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/1080-4-0x0000000074CC0000-0x0000000075271000-memory.dmp

      Filesize

      5.7MB

    • memory/1080-8-0x0000000074CC0000-0x0000000075271000-memory.dmp

      Filesize

      5.7MB

    • memory/1080-6-0x0000000074CC0000-0x0000000075271000-memory.dmp

      Filesize

      5.7MB

    • memory/1080-9-0x0000000074CC0000-0x0000000075271000-memory.dmp

      Filesize

      5.7MB

    • memory/1080-11-0x0000000074CC0000-0x0000000075271000-memory.dmp

      Filesize

      5.7MB

    • memory/1080-12-0x0000000074CC0000-0x0000000075271000-memory.dmp

      Filesize

      5.7MB

    • memory/1080-13-0x0000000074CC0000-0x0000000075271000-memory.dmp

      Filesize

      5.7MB

    • memory/2096-1-0x0000000074CC0000-0x0000000075271000-memory.dmp

      Filesize

      5.7MB

    • memory/2096-2-0x0000000074CC0000-0x0000000075271000-memory.dmp

      Filesize

      5.7MB

    • memory/2096-7-0x0000000074CC0000-0x0000000075271000-memory.dmp

      Filesize

      5.7MB

    • memory/2096-0-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

      Filesize

      4KB