Analysis

  • max time kernel
    64s
  • max time network
    88s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09/08/2025, 12:35

General

  • Target
    EUROOOOO.exe
  • Size 327KB
  • Sample250809-psrplsxtaz
  • SHA256 8dc5ce1b016bdaebc7d77a20cccf815a49840e239c33132d35504d03c5f6ac99
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.antoniomayol.com:21

  • Port

    21

  • Password

    cMhKDQUk1{;%

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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.

  • Looks up external IP address via web service 1 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EUROOOOO.exe
    "C:\Users\Admin\AppData\Local\Temp\EUROOOOO.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3948
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5304

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/3948-0-0x0000000000AA0000-0x0000000000AF8000-memory.dmp

        memory/3948-1-0x0000000005530000-0x0000000005540000-memory.dmp

        memory/3948-2-0x0000000003040000-0x0000000003094000-memory.dmp

        memory/5304-3-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/5304-5-0x0000000005970000-0x0000000005F16000-memory.dmp

        memory/5304-6-0x0000000005480000-0x0000000005490000-memory.dmp

        memory/5304-7-0x0000000005590000-0x00000000055F6000-memory.dmp

        memory/5304-8-0x0000000006700000-0x0000000006792000-memory.dmp

        memory/5304-9-0x00000000067A0000-0x00000000067F0000-memory.dmp

        memory/5304-10-0x0000000006800000-0x000000000680A000-memory.dmp

        memory/5304-11-0x0000000005480000-0x0000000005490000-memory.dmp