Analysis

  • max time kernel
    105s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/06/2024, 01:21

General

  • Target
    86ab02d0fc678ff261986a22fde52074e9d9f99cf5e3f28e4b7e6d66c74fa5fa.exe
  • Size 262KB
  • Sample240608-bqq4eafa4y
  • SHA256 86ab02d0fc678ff261986a22fde52074e9d9f99cf5e3f28e4b7e6d66c74fa5fa
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    fiber13.dnsiaas.com

  • Port

    587

  • Password

    M1.N&IG&4uI]

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\86ab02d0fc678ff261986a22fde52074e9d9f99cf5e3f28e4b7e6d66c74fa5fa.exe
    "C:\Users\Admin\AppData\Local\Temp\86ab02d0fc678ff261986a22fde52074e9d9f99cf5e3f28e4b7e6d66c74fa5fa.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4808

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4808-0-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

        memory/4808-1-0x0000000002620000-0x0000000002674000-memory.dmp

        memory/4808-2-0x0000000074E30000-0x00000000755E0000-memory.dmp

        memory/4808-3-0x0000000004CD0000-0x0000000005274000-memory.dmp

        memory/4808-4-0x0000000004B50000-0x0000000004BA2000-memory.dmp

        memory/4808-60-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-68-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-143-0x0000000074E30000-0x00000000755E0000-memory.dmp

        memory/4808-375-0x0000000074E30000-0x00000000755E0000-memory.dmp

        memory/4808-66-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-64-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-62-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-58-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-56-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-54-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-53-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-50-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-46-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-44-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-42-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-40-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-38-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-36-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-34-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-32-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-30-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-28-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-22-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-20-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-18-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-16-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-14-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-12-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-8-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-6-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-5-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-48-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-26-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-24-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-10-0x0000000004B50000-0x0000000004B9D000-memory.dmp

        memory/4808-1037-0x0000000005280000-0x00000000052E6000-memory.dmp

        memory/4808-1038-0x0000000074E30000-0x00000000755E0000-memory.dmp

        memory/4808-1039-0x0000000006380000-0x00000000063D0000-memory.dmp

        memory/4808-1040-0x0000000006430000-0x00000000064CC000-memory.dmp

        memory/4808-1041-0x0000000006550000-0x00000000065E2000-memory.dmp

        memory/4808-1042-0x0000000006730000-0x000000000673A000-memory.dmp

        memory/4808-1043-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

        memory/4808-1044-0x0000000074E30000-0x00000000755E0000-memory.dmp