Analysis

  • max time kernel
    136s
  • max time network
    78s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    10-07-2020 05:12

General

  • Target

    swift copy.exe

  • Size

    899KB

  • MD5

    615fdf5bd5f20b021c457478f80b2938

  • SHA1

    73616a95f5ef3fa2f9dc4a258f9ac4ca3b1f80ba

  • SHA256

    4a754cc65487647ffb0067986dd92f27676a61de5f26e9f08130ac8197e44205

  • SHA512

    6d7ade1546ca05a5d319c3cf7332b5a537be4012fc2ffd7862ef6492fa48b1ffa0b91b8e9ba0a2fcc916a663c084aed67b637601e72fbc964c81037ed8456f4a

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    1xH}wgu7}f%E

Signatures

  • Suspicious use of WriteProcessMemory 14 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.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • AgentTesla

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

  • Reads user/profile data of web browsers 2 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\swift copy.exe
    "C:\Users\Admin\AppData\Local\Temp\swift copy.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    PID:3944
    • C:\Users\Admin\AppData\Local\Temp\swift copy.exe
      "{path}"
      2⤵
        PID:1716
      • C:\Users\Admin\AppData\Local\Temp\swift copy.exe
        "{path}"
        2⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        PID:2068
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:3040

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\swift copy.exe.log

      • memory/2068-0-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2068-1-0x000000000044A81E-mapping.dmp

      • memory/3040-3-0x0000000000000000-mapping.dmp