Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2023, 16:52

General

  • Target
    file.exe
  • Size 321KB
  • Sample230531-vdcj2agb78
  • SHA256 bb992023216a9723d9157cacbe3f2dec846902eacce0122734d6111c85ee6309
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.jewelryprototyping.it

  • Port

    587

  • Password

    Geronimol5Frega5

Signatures

  • AgentTesla

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

  • Loads dropped DLL 1 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3336
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3804

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        plbwit.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsd9D31.tmp\plbwit.dll
        • Size 86KB
        • SHA256 b801b45414145ceb0e147dc9546fa2e53f39151cd4859599d01b9f6736ad749f
        • MD5 SHA1 SHA512 SSDEEP

        memory/3336-140-0x0000000003150000-0x0000000003152000-memory.dmp

        memory/3804-142-0x0000000000400000-0x0000000000441000-memory.dmp

        memory/3804-141-0x0000000000400000-0x0000000000441000-memory.dmp

        memory/3804-143-0x0000000000400000-0x0000000000441000-memory.dmp

        memory/3804-144-0x0000000004A20000-0x0000000004FC4000-memory.dmp

        memory/3804-145-0x0000000000400000-0x0000000000441000-memory.dmp

        memory/3804-147-0x0000000004A10000-0x0000000004A20000-memory.dmp

        memory/3804-148-0x0000000004A10000-0x0000000004A20000-memory.dmp

        memory/3804-146-0x0000000004A10000-0x0000000004A20000-memory.dmp

        memory/3804-149-0x0000000004FD0000-0x0000000005036000-memory.dmp

        memory/3804-150-0x0000000004A10000-0x0000000004A20000-memory.dmp

        memory/3804-151-0x00000000055A0000-0x00000000055F0000-memory.dmp

        memory/3804-152-0x00000000055F0000-0x00000000057B2000-memory.dmp

        memory/3804-159-0x00000000058E0000-0x000000000597C000-memory.dmp

        memory/3804-160-0x0000000005DC0000-0x0000000005E52000-memory.dmp

        memory/3804-161-0x0000000005FD0000-0x0000000005FDA000-memory.dmp

        memory/3804-163-0x0000000004A10000-0x0000000004A20000-memory.dmp

        memory/3804-164-0x0000000004A10000-0x0000000004A20000-memory.dmp

        memory/3804-165-0x0000000004A10000-0x0000000004A20000-memory.dmp

        memory/3804-166-0x0000000004A10000-0x0000000004A20000-memory.dmp