Analysis

  • max time kernel
    137s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    24-06-2020 14:56

General

  • Target

    f2adad4441d13ec7c7bc39f25f5606b1b8a64f08b80d6646c97d36e1932c598d.exe

  • Size

    321KB

  • MD5

    967a32731bbb80347c2f17a1f3d630e3

  • SHA1

    a3260961fb13ca51180cfaca64c3702655b93e89

  • SHA256

    f2adad4441d13ec7c7bc39f25f5606b1b8a64f08b80d6646c97d36e1932c598d

  • SHA512

    85da7652ed22dcaa06d0432f0a0c5e7376b5dce29bd28347e4e7f94343260541698b1ebc4090abaf84e16934a26ae7193db8cd1da2eb3847b67f3801b8b384c2

Malware Config

Signatures

  • 404 Keylogger

    Information stealer and keylogger first seen in 2019.

  • 404 Keylogger Main Executable 7 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.

  • 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
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2adad4441d13ec7c7bc39f25f5606b1b8a64f08b80d6646c97d36e1932c598d.exe
    "C:\Users\Admin\AppData\Local\Temp\f2adad4441d13ec7c7bc39f25f5606b1b8a64f08b80d6646c97d36e1932c598d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:240
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QfsWgvANVJrOqG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D85.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1864
    • C:\Users\Admin\AppData\Local\Temp\f2adad4441d13ec7c7bc39f25f5606b1b8a64f08b80d6646c97d36e1932c598d.exe
      "{path}"
      2⤵
        PID:1764
      • C:\Users\Admin\AppData\Local\Temp\f2adad4441d13ec7c7bc39f25f5606b1b8a64f08b80d6646c97d36e1932c598d.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1752

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp2D85.tmp

    • memory/240-0-0x0000000000000000-0x0000000000000000-disk.dmp

    • memory/1752-5-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/1752-6-0x000000000041CB6E-mapping.dmp

    • memory/1752-7-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/1752-8-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/1864-3-0x0000000000000000-mapping.dmp