Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2022 03:26

General

  • Target

    599b3363ffefa7e364574f9c8c6d5978999c2066dd905658ad9b88626624ce16.exe

  • Size

    721KB

  • MD5

    a4ea055668d3769fe490554d674db71d

  • SHA1

    714f4799053565be5d5122f5d2291c796a162e5e

  • SHA256

    599b3363ffefa7e364574f9c8c6d5978999c2066dd905658ad9b88626624ce16

  • SHA512

    f0cc698250ce49a076b1786d5913a65796872f2e64251b71e62887758c0987ac376e50ae4b7177dbf4c187e8220d6eb1960e8eebffa8d34f6f8c2a7631c48595

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 7 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\599b3363ffefa7e364574f9c8c6d5978999c2066dd905658ad9b88626624ce16.exe
    "C:\Users\Admin\AppData\Local\Temp\599b3363ffefa7e364574f9c8c6d5978999c2066dd905658ad9b88626624ce16.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Users\Admin\AppData\Local\Temp\599b3363ffefa7e364574f9c8c6d5978999c2066dd905658ad9b88626624ce16.exe
      C:\Users\Admin\AppData\Local\Temp\599b3363ffefa7e364574f9c8c6d5978999c2066dd905658ad9b88626624ce16.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:944
      • 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⤵
        • Accesses Microsoft Outlook accounts
        PID:1804
      • 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:1092

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\holderwb.txt

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/944-72-0x0000000074250000-0x00000000747FB000-memory.dmp

      Filesize

      5.7MB

    • memory/944-71-0x0000000008C80000-0x0000000008E08000-memory.dmp

      Filesize

      1.5MB

    • memory/944-79-0x0000000006965000-0x0000000006976000-memory.dmp

      Filesize

      68KB

    • memory/944-63-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/944-66-0x0000000001F20000-0x0000000001FB6000-memory.dmp

      Filesize

      600KB

    • memory/944-69-0x00000000771F0000-0x0000000077370000-memory.dmp

      Filesize

      1.5MB

    • memory/944-70-0x00000000771F0000-0x0000000077370000-memory.dmp

      Filesize

      1.5MB

    • memory/944-78-0x0000000074250000-0x00000000747FB000-memory.dmp

      Filesize

      5.7MB

    • memory/944-89-0x0000000006965000-0x0000000006976000-memory.dmp

      Filesize

      68KB

    • memory/1092-86-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1092-82-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1092-88-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1804-73-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1804-81-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1804-80-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1804-77-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1920-56-0x00000000002B0000-0x00000000002B6000-memory.dmp

      Filesize

      24KB

    • memory/1920-59-0x00000000771F0000-0x0000000077370000-memory.dmp

      Filesize

      1.5MB

    • memory/1920-57-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

      Filesize

      8KB