Analysis

  • max time kernel
    109s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 11:18

General

  • Target

    ef7df38dfb4985c8dd02b32df3715db795d8674ef13b18daff6e165086a7fcbe.exe

  • Size

    527KB

  • MD5

    3f8412ac8ba6a375e0d0ace70f79287f

  • SHA1

    dd9f90165ebcc7064b54471f99b28f54ef2bf63f

  • SHA256

    ef7df38dfb4985c8dd02b32df3715db795d8674ef13b18daff6e165086a7fcbe

  • SHA512

    837979a39ff40986ad62df7576280287fb893b4d7b2fa973ca7ac9a1bb977b051415545bcaffd4b04adad7d685760ca64c933b29e0cbd06f3aa38c580a10343c

  • SSDEEP

    12288:ln0aYpcqcJGXaGwCBMU2RpOVF9i4g9FkeM/4Ajv+cO:2ftcJQapKMUOCTiRbM/BO

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 11 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 16 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef7df38dfb4985c8dd02b32df3715db795d8674ef13b18daff6e165086a7fcbe.exe
    "C:\Users\Admin\AppData\Local\Temp\ef7df38dfb4985c8dd02b32df3715db795d8674ef13b18daff6e165086a7fcbe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\ef7df38dfb4985c8dd02b32df3715db795d8674ef13b18daff6e165086a7fcbe.exe
      "C:\Users\Admin\AppData\Local\Temp\ef7df38dfb4985c8dd02b32df3715db795d8674ef13b18daff6e165086a7fcbe.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1472
      • 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:1496
      • 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:1868

    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/1472-64-0x0000000000480C5E-mapping.dmp

    • memory/1472-66-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1472-57-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1472-58-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1472-60-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1472-62-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1472-72-0x0000000074FC0000-0x000000007556B000-memory.dmp

      Filesize

      5.7MB

    • memory/1472-70-0x0000000074FC0000-0x000000007556B000-memory.dmp

      Filesize

      5.7MB

    • memory/1472-63-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1472-68-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1496-77-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1496-78-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1496-87-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1496-73-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1496-74-0x0000000000411654-mapping.dmp

    • memory/1868-79-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1868-80-0x0000000000442628-mapping.dmp

    • memory/1868-83-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1868-84-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1868-86-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1956-71-0x0000000074FC0000-0x000000007556B000-memory.dmp

      Filesize

      5.7MB

    • memory/1956-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

      Filesize

      8KB

    • memory/1956-56-0x0000000074FC0000-0x000000007556B000-memory.dmp

      Filesize

      5.7MB

    • memory/1956-55-0x0000000074FC0000-0x000000007556B000-memory.dmp

      Filesize

      5.7MB