Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    07/07/2020, 09:21

General

  • Target

    Zahlungsbestätigung.exe

  • Size

    583KB

  • MD5

    3c330f32f0b8812e072568e98adf1f1c

  • SHA1

    cd1a65820235eeb9e6655e8290326f422270115c

  • SHA256

    be4e6e428abbddc9ae13c274c65f86d9633a274ee45aaff9c32311b1a0e2b471

  • SHA512

    db394c95c979fa5637e142210cb7119f9f72af11f6daf9dacae6862452ebf479f9622baed66067345e6f3519890820b70cafcd51f2487ce6d9b831b7823a0447

Malware Config

Signatures

  • Uses the VBS compiler for execution 1 TTPs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of WriteProcessMemory 22 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1057 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Zahlungsbestätigung.exe
    "C:\Users\Admin\AppData\Local\Temp\Zahlungsbestätigung.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    PID:2460
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3916
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
          PID:1660
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
          3⤵
            PID:2508

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • memory/1660-2-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/1660-4-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2508-5-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/2508-7-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3916-0-0x0000000000400000-0x0000000000488000-memory.dmp

              Filesize

              544KB