Analysis

  • max time kernel
    135s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/07/2024, 01:41

General

  • Target
    LisectAVT_2403002C_10.exe
  • Size 831KB
  • Sample240725-b36pmazhrm
  • SHA256 eff2809f58b9a3ec94b4c4914d3d4b4afac3f64afbeb1d89c7db2d9cdf227d2a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_10.exe
    "C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_10.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_10.exe
      "C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_10.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3528

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        LisectAVT_2403002C_10.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\LisectAVT_2403002C_10.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/3528-10-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3528-19-0x0000000074C80000-0x0000000075430000-memory.dmp

        memory/3528-18-0x0000000007060000-0x00000000070B0000-memory.dmp

        memory/3528-16-0x0000000074C80000-0x0000000075430000-memory.dmp

        memory/3528-15-0x0000000005A00000-0x0000000005A66000-memory.dmp

        memory/3528-13-0x0000000074C80000-0x0000000075430000-memory.dmp

        memory/4932-4-0x0000000074C80000-0x0000000075430000-memory.dmp

        memory/4932-8-0x0000000007AA0000-0x0000000007AAC000-memory.dmp

        memory/4932-9-0x0000000008F10000-0x0000000008F92000-memory.dmp

        memory/4932-7-0x0000000007A80000-0x0000000007A92000-memory.dmp

        memory/4932-6-0x0000000009120000-0x00000000091BC000-memory.dmp

        memory/4932-5-0x0000000004F00000-0x0000000004F0A000-memory.dmp

        memory/4932-14-0x0000000074C80000-0x0000000075430000-memory.dmp

        memory/4932-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

        memory/4932-3-0x0000000007990000-0x0000000007A22000-memory.dmp

        memory/4932-2-0x0000000007E40000-0x00000000083E4000-memory.dmp

        memory/4932-1-0x0000000000A40000-0x0000000000B16000-memory.dmp