Analysis

  • max time kernel
    128s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/05/2024, 01:25

General

  • Target
    fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe
  • Size 2.7MB
  • Sample240510-bs8q8saf7x
  • SHA256 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.apexrnun.com

  • Port

    587

  • Password

    CCu5Z?WuH+bS4hsz

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 34 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe
    "C:\Users\Admin\AppData\Local\Temp\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Users\Admin\AppData\Local\Temp\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe
      "C:\Users\Admin\AppData\Local\Temp\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3224

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe.log
        • Size 805B
        • SHA256 fd99bed17853f5ad196ca6d4a62f5e2405fbdf5b98cbf45af8b7cef83e4bcec3
        • MD5 SHA1 SHA512

        memory/3224-4894-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3224-4896-0x0000000074490000-0x0000000074C40000-memory.dmp

        memory/3224-4897-0x0000000005350000-0x00000000053B6000-memory.dmp

        memory/3224-4898-0x0000000074490000-0x0000000074C40000-memory.dmp

        memory/3224-4902-0x0000000074490000-0x0000000074C40000-memory.dmp

        memory/3224-4901-0x0000000006CA0000-0x0000000006CAA000-memory.dmp

        memory/3224-4900-0x0000000006AA0000-0x0000000006B3C000-memory.dmp

        memory/3224-4899-0x00000000069B0000-0x0000000006A00000-memory.dmp

        memory/3988-54-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-38-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-6-0x00000000072A0000-0x0000000007332000-memory.dmp

        memory/3988-7-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-8-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-26-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-28-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-46-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-50-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-64-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-70-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-68-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-66-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-62-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-60-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-58-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-56-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-4-0x0000000006FD0000-0x0000000007200000-memory.dmp

        memory/3988-52-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-48-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-44-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-42-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-40-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-5-0x00000000077B0000-0x0000000007D54000-memory.dmp

        memory/3988-36-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-34-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-32-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-30-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-24-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-22-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-20-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-19-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-16-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-14-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-12-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-10-0x0000000006FD0000-0x00000000071FA000-memory.dmp

        memory/3988-4887-0x0000000074490000-0x0000000074C40000-memory.dmp

        memory/3988-4889-0x00000000056D0000-0x000000000571C000-memory.dmp

        memory/3988-3-0x0000000005930000-0x0000000005D88000-memory.dmp

        memory/3988-2-0x0000000074490000-0x0000000074C40000-memory.dmp

        memory/3988-1-0x0000000000450000-0x0000000000706000-memory.dmp

        memory/3988-0-0x000000007449E000-0x000000007449F000-memory.dmp

        memory/3988-4888-0x00000000057F0000-0x000000000585C000-memory.dmp

        memory/3988-4890-0x0000000005890000-0x00000000058E4000-memory.dmp

        memory/3988-4895-0x0000000074490000-0x0000000074C40000-memory.dmp