Analysis

  • max time kernel
    97s
  • max time network
    69s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    07/01/2021, 13:04

General

  • Target
    8cdb536378c7a12bb65333b52664cb99cd74a8b14afbc1b74ae73111b8edfc57.exe
  • Size 312KB
  • Sample210107-lr52ex7snx
  • SHA256 8cdb536378c7a12bb65333b52664cb99cd74a8b14afbc1b74ae73111b8edfc57
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8cdb536378c7a12bb65333b52664cb99cd74a8b14afbc1b74ae73111b8edfc57.exe
    "C:\Users\Admin\AppData\Local\Temp\8cdb536378c7a12bb65333b52664cb99cd74a8b14afbc1b74ae73111b8edfc57.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\0d84bd361d5940fe8c71d926b6ad2d4b.xml"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3492
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\0d84bd361d5940fe8c71d926b6ad2d4b.xml"
        3⤵
        • Creates scheduled task(s)
        PID:1192
    • C:\Users\Admin\AppData\Local\Temp\8cdb536378c7a12bb65333b52664cb99cd74a8b14afbc1b74ae73111b8edfc57.exe
      "C:\Users\Admin\AppData\Local\Temp\8cdb536378c7a12bb65333b52664cb99cd74a8b14afbc1b74ae73111b8edfc57.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2040

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/884-5-0x0000000002B00000-0x0000000002B4B000-memory.dmp

        memory/2040-3-0x0000000000400000-0x000000000044B000-memory.dmp