Analysis

  • max time kernel
    110s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    31/07/2020, 12:09

General

  • Target
    Scan copy.exe
  • Size 713KB
  • Sample200731-plr8973vna
  • SHA256 367d1fd29045416d80d3b22efd7b0684601c184ea06cbeffad5b4562fcee0533
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    Simple262627

Signatures

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Drops file in Drivers directory 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • AgentTesla Payload 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • AgentTesla

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Scan copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Scan copy.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    PID:3692
    • C:\Users\Admin\AppData\Local\Temp\Scan copy.exe
      "C:\Users\Admin\AppData\Local\Temp\Scan copy.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Drops file in Drivers directory
      PID:4040

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4040-0-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/4040-2-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/4040-3-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/4040-4-0x00000000006B0000-0x00000000006FC000-memory.dmp

        memory/4040-5-0x0000000002382000-0x0000000002383000-memory.dmp