Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2025 08:13

General

  • Target

    Presupuesto.scr.exe

  • Size

    1.8MB

  • MD5

    3dce8f5b853374d0f7e8a97306727c07

  • SHA1

    a852b55173976419ddddec6ef11ad79882140832

  • SHA256

    e99a8a8773f059814fdcd835c6c7a8ae5284c4943987a374a96e14a8b799335d

  • SHA512

    d45777e8f8b50356d0a96f64c1045bfda5e85f6928db3515af485add2ff178b694dacf5dd54d68a086667bc39a109d4765da985e3958cd5b24dee14cd732e7c0

  • SSDEEP

    24576:tSstsds6ypgH+NKeeHsatx2B2ZGe3Mqqu5HtC/EuuE7niOIsUuX0CDn:l67p9HTHqkHMzTiEhD

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evicb
  • Password:
    Doll280@@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evicb
  • Password:
    Doll280@@

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • 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 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3448
      • C:\Users\Admin\AppData\Local\Temp\Presupuesto.scr.exe
        "C:\Users\Admin\AppData\Local\Temp\Presupuesto.scr.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2604
      • C:\Users\Admin\AppData\Local\Temp\Presupuesto.scr.exe
        "C:\Users\Admin\AppData\Local\Temp\Presupuesto.scr.exe"
        2⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:668

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/668-1343-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/668-1344-0x0000000000600000-0x0000000000642000-memory.dmp

      Filesize

      264KB

    • memory/668-1345-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/668-1346-0x0000000004DB0000-0x0000000004E16000-memory.dmp

      Filesize

      408KB

    • memory/668-1349-0x00000000062E0000-0x0000000006330000-memory.dmp

      Filesize

      320KB

    • memory/668-1352-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/668-1351-0x00000000064B0000-0x00000000064BA000-memory.dmp

      Filesize

      40KB

    • memory/668-1350-0x00000000063D0000-0x000000000646C000-memory.dmp

      Filesize

      624KB

    • memory/2604-34-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-24-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-5-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-10-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-68-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-67-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-62-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-60-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-57-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-64-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-52-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-58-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-55-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-50-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-48-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-46-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-44-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-40-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-38-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-36-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-3-0x0000000006230000-0x00000000067D4000-memory.dmp

      Filesize

      5.6MB

    • memory/2604-32-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-30-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-28-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-26-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-4-0x0000000005D60000-0x0000000005DF2000-memory.dmp

      Filesize

      584KB

    • memory/2604-20-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-18-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-16-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-14-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-8-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-6-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-42-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-22-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-12-0x0000000005B10000-0x0000000005C1C000-memory.dmp

      Filesize

      1.0MB

    • memory/2604-1327-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2604-1328-0x0000000005E50000-0x0000000005EBC000-memory.dmp

      Filesize

      432KB

    • memory/2604-1329-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2604-1330-0x0000000005F10000-0x0000000005F7A000-memory.dmp

      Filesize

      424KB

    • memory/2604-1331-0x0000000005F80000-0x0000000005FCC000-memory.dmp

      Filesize

      304KB

    • memory/2604-1332-0x000000007511E000-0x000000007511F000-memory.dmp

      Filesize

      4KB

    • memory/2604-1333-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2604-2-0x0000000005B10000-0x0000000005C22000-memory.dmp

      Filesize

      1.1MB

    • memory/2604-1-0x0000000000FE0000-0x00000000011B0000-memory.dmp

      Filesize

      1.8MB

    • memory/2604-0-0x000000007511E000-0x000000007511F000-memory.dmp

      Filesize

      4KB

    • memory/2604-1334-0x0000000006010000-0x0000000006064000-memory.dmp

      Filesize

      336KB

    • memory/2604-1338-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2604-1341-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2604-1342-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB