Analysis

  • max time kernel
    151s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    29/10/2020, 06:05

General

  • Target
    Shipping Documents_pdf.exe
  • Size 1001KB
  • Sample201029-ebpc576z92
  • SHA256 b8afec5cbc0fba5b1373182c97292c0dd2ae0d7644aa20ffe5ea31999fda5688
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.ilkimegitim.com

  • Port

    587

  • Password

    Savas581

Signatures

  • HawkEye

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

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 718 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Documents_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Documents_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      PID:1504
    • C:\Users\Admin\AppData\Local\Temp\Shipping Documents_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping Documents_pdf.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1224
      • 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:1964
        • 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:1400
        • C:\Users\Admin\AppData\Local\Temp\Shipping Documents_pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\Shipping Documents_pdf.exe" 2 1224 259285205
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:672

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/240-19-0x000007FEF7800000-0x000007FEF7A7A000-memory.dmp

            memory/672-9-0x0000000000400000-0x0000000000500000-memory.dmp

            memory/1080-0-0x0000000000400000-0x0000000000500000-memory.dmp

            memory/1224-10-0x0000000001E02000-0x0000000001E03000-memory.dmp

            memory/1224-5-0x0000000000400000-0x000000000051D000-memory.dmp

            memory/1224-7-0x0000000000400000-0x000000000051D000-memory.dmp

            memory/1224-8-0x0000000001D60000-0x0000000001DE8000-memory.dmp

            memory/1224-3-0x0000000000400000-0x000000000051D000-memory.dmp

            memory/1224-11-0x0000000001C40000-0x0000000001CC3000-memory.dmp

            memory/1400-16-0x0000000000400000-0x0000000000458000-memory.dmp

            memory/1400-18-0x0000000000400000-0x0000000000458000-memory.dmp

            memory/1504-2-0x00000000000D0000-0x00000000000D1000-memory.dmp

            memory/1964-15-0x0000000000400000-0x000000000041B000-memory.dmp

            memory/1964-13-0x0000000000400000-0x000000000041B000-memory.dmp