Analysis

  • max time kernel
    148s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/06/2024, 01:38

General

  • Target
    8c56b0f77abb15a25ffdd9e0700475d339c640c4f40094a8bc97223d850c1f4a.exe
  • Size 261KB
  • Sample240609-b2qxsacc76
  • SHA256 8c56b0f77abb15a25ffdd9e0700475d339c640c4f40094a8bc97223d850c1f4a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    fiber13.dnsiaas.com

  • Port

    587

  • Password

    feXwu@m?K@@L

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 35 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 35 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 35 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 35 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 35 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 35 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 2 TTPs

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

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c56b0f77abb15a25ffdd9e0700475d339c640c4f40094a8bc97223d850c1f4a.exe
    "C:\Users\Admin\AppData\Local\Temp\8c56b0f77abb15a25ffdd9e0700475d339c640c4f40094a8bc97223d850c1f4a.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4468

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4468-0-0x000000007504E000-0x000000007504F000-memory.dmp

        memory/4468-1-0x0000000004920000-0x0000000004974000-memory.dmp

        memory/4468-2-0x0000000075040000-0x00000000757F0000-memory.dmp

        memory/4468-4-0x00000000049B0000-0x0000000004F54000-memory.dmp

        memory/4468-5-0x0000000004FA0000-0x0000000004FF2000-memory.dmp

        memory/4468-3-0x0000000075040000-0x00000000757F0000-memory.dmp

        memory/4468-6-0x0000000075040000-0x00000000757F0000-memory.dmp

        memory/4468-32-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-68-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-66-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-62-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-60-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-56-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-52-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-48-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-46-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-44-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-40-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-38-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-36-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-34-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-30-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-28-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-24-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-22-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-20-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-18-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-16-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-14-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-70-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-64-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-10-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-58-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-54-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-8-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-50-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-1038-0x0000000075040000-0x00000000757F0000-memory.dmp

        memory/4468-1037-0x0000000005120000-0x0000000005186000-memory.dmp

        memory/4468-7-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-42-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-26-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-12-0x0000000004FA0000-0x0000000004FED000-memory.dmp

        memory/4468-1039-0x0000000006250000-0x00000000062A0000-memory.dmp

        memory/4468-1040-0x00000000062F0000-0x000000000638C000-memory.dmp

        memory/4468-1041-0x0000000006410000-0x00000000064A2000-memory.dmp

        memory/4468-1042-0x00000000065F0000-0x00000000065FA000-memory.dmp

        memory/4468-1043-0x000000007504E000-0x000000007504F000-memory.dmp

        memory/4468-1044-0x0000000075040000-0x00000000757F0000-memory.dmp