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Analysis

  • max time kernel
    151s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    13/07/2020, 11:43

General

  • Target

    Zahlung.exe

  • Size

    674KB

  • MD5

    dd7780218fbe47cba351ad4d3093818c

  • SHA1

    391d5b649c1d591a2a0d2b997ee2fc91e66d3fc5

  • SHA256

    816428017475b2cf161c37e042f81c84805f857784b7ece2ba81d23d8d826676

  • SHA512

    5ba457bfd40c39df7d1248472890e02994cc0d8ea70b1b51c37b8e6a0d7ba2950e280f5f6e936e4a91e9bf4db67748a4ad8531904ef45613e10c3f91c42d05d9

Malware Config

Signatures

  • Uses the VBS compiler for execution 1 TTPs
  • HawkEye

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 998 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 use of WriteProcessMemory 28 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Zahlung.exe
    "C:\Users\Admin\AppData\Local\Temp\Zahlung.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    PID:1100
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • Suspicious use of AdjustPrivilegeToken
      PID:1296
      • 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:1488
        • 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:1332

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1296-0-0x0000000000400000-0x0000000000488000-memory.dmp

        Filesize

        544KB

      • memory/1296-2-0x0000000000400000-0x0000000000488000-memory.dmp

        Filesize

        544KB

      • memory/1296-3-0x0000000000400000-0x0000000000488000-memory.dmp

        Filesize

        544KB

      • memory/1332-7-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1332-9-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1488-4-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1488-6-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB