Analysis

  • max time kernel
    122s
  • max time network
    168s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30/01/2022, 15:17

General

  • Target
    DHL DOCUMENTS TRACKING Nº 740977876.exe
  • Size 412KB
  • Sample220130-sn9w6sdga3
  • SHA256 a50379d0e18b56fd13df8ff29681fe54efa1ca4d313930064fb3a30ea6148f84
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.privateemail.com

  • Port

    587

  • Password

    ?Bj*W7zoKuJoS

Signatures

  • 404 Keylogger

    Information stealer and keylogger first seen in 2019.

  • 404 Keylogger Main Executable 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL DOCUMENTS TRACKING Nº 740977876.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL DOCUMENTS TRACKING Nº 740977876.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3468
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\InstallUtil.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3880

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3468-117-0x0000000000E40000-0x0000000000EAE000-memory.dmp

        memory/3468-118-0x00000000057C0000-0x00000000057C1000-memory.dmp

        memory/3468-119-0x0000000005630000-0x0000000005652000-memory.dmp

        memory/3468-120-0x0000000005710000-0x0000000005732000-memory.dmp

        memory/3468-121-0x0000000005750000-0x0000000005774000-memory.dmp

        memory/3468-122-0x0000000007DF0000-0x0000000007E82000-memory.dmp

        memory/3468-123-0x0000000008590000-0x0000000008A8E000-memory.dmp

        memory/3880-124-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/3880-125-0x0000000004D90000-0x0000000004E2C000-memory.dmp

        memory/3880-126-0x0000000004C50000-0x0000000004CEC000-memory.dmp

        memory/3880-127-0x0000000005A40000-0x0000000005AA6000-memory.dmp

        memory/3880-128-0x00000000060C0000-0x0000000006282000-memory.dmp

        memory/3880-129-0x0000000006040000-0x000000000604A000-memory.dmp