Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    08/07/2020, 14:21

General

  • Target

    PO Versand.exe

  • Size

    573KB

  • MD5

    f258c2d0ae8cd38df470bc4e30eaafb1

  • SHA1

    918070da7a05b9da82e185f0dae4e402d3b80c00

  • SHA256

    4c81acbfbba1297e34208f082d48312a3d6742772ed77796801d833b54fd39e9

  • SHA512

    fcdb111238ad9620ee884cdc41eaa7db08c74e5b1836659005e06d2d3397dfecb15dfe54eeed43a32e094339b36b3a841368a092718d78054df7fb4dd9b0a320

Malware Config

Signatures

  • 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 SetThreadContext 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1108 IoCs
  • HawkEye

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO Versand.exe
    "C:\Users\Admin\AppData\Local\Temp\PO Versand.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    PID:3920
    • 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 AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: EnumeratesProcesses
      PID:2168
      • 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:3208
        • 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:3684

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2168-0-0x0000000000400000-0x0000000000488000-memory.dmp

        Filesize

        544KB

      • memory/3208-2-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/3208-4-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/3684-5-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/3684-7-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB