Analysis

  • max time kernel
    111s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 12:39

General

  • Target

    6c8b8c667a462285e9c52d0371b087879c3c93b481e6afc0482ed0cd3797f6dc.exe

  • Size

    452KB

  • MD5

    43344c56bd5ddc32f2b23e84ca2fedc3

  • SHA1

    46ba23be893b83479cfa6781adcd2c9080cad34f

  • SHA256

    6c8b8c667a462285e9c52d0371b087879c3c93b481e6afc0482ed0cd3797f6dc

  • SHA512

    ef82d1aa1137bc62163ee92e32aaebe85bd044707568530fa6d1540b3baf26ad825df0a6d28e79313a6f49070be21f9f7a6ea901250bde128e26d47df58ebe12

  • SSDEEP

    6144:DPd9CRAwDgrPqXkRaz61RHqGTcdzg5KBY1DXiXv6PxJ6F7aAcRbdyDBAFlHj6s45:bnRigrPD1RX++KSJ47ZckAX/U

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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c8b8c667a462285e9c52d0371b087879c3c93b481e6afc0482ed0cd3797f6dc.exe
    "C:\Users\Admin\AppData\Local\Temp\6c8b8c667a462285e9c52d0371b087879c3c93b481e6afc0482ed0cd3797f6dc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\Windows" /XML "C:\Users\Admin\AppData\Local\Temp\427150216.xml"
      2⤵
      • Creates scheduled task(s)
      PID:1756
    • C:\Users\Admin\AppData\Local\Temp\6c8b8c667a462285e9c52d0371b087879c3c93b481e6afc0482ed0cd3797f6dc.exe
      "C:\Users\Admin\AppData\Local\Temp\6c8b8c667a462285e9c52d0371b087879c3c93b481e6afc0482ed0cd3797f6dc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:948
      • 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:608
      • 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:1376

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\427150216.xml

            Filesize

            1KB

            MD5

            77691a4b185b94d9165885fe82b25a36

            SHA1

            c05c1918805206c72c100406e1ddf5dd6a98719a

            SHA256

            9adfddd80624f61a7835aa77692130eb7be305037785439d2cbeab7ab4fb3271

            SHA512

            e4e0f9ee7e87dbd40140617d7b61390abf38a9eba08042f509b883073c92434753720d86c181b125260dd5b283875d65612e9eb6271959d44b12f30e2e1f1da4

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

            Filesize

            2B

            MD5

            f3b25701fe362ec84616a93a45ce9998

            SHA1

            d62636d8caec13f04e28442a0a6fa1afeb024bbb

            SHA256

            b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

            SHA512

            98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

          • memory/608-88-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/608-81-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/608-80-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/608-76-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/892-71-0x0000000073FA0000-0x000000007454B000-memory.dmp

            Filesize

            5.7MB

          • memory/892-57-0x0000000073FA0000-0x000000007454B000-memory.dmp

            Filesize

            5.7MB

          • memory/892-54-0x0000000075131000-0x0000000075133000-memory.dmp

            Filesize

            8KB

          • memory/948-75-0x00000000739F0000-0x0000000073F9B000-memory.dmp

            Filesize

            5.7MB

          • memory/948-58-0x0000000000400000-0x0000000000484000-memory.dmp

            Filesize

            528KB

          • memory/948-72-0x0000000000400000-0x0000000000484000-memory.dmp

            Filesize

            528KB

          • memory/948-74-0x00000000739F0000-0x0000000073F9B000-memory.dmp

            Filesize

            5.7MB

          • memory/948-65-0x0000000000400000-0x0000000000484000-memory.dmp

            Filesize

            528KB

          • memory/948-63-0x0000000000400000-0x0000000000484000-memory.dmp

            Filesize

            528KB

          • memory/948-61-0x0000000000400000-0x0000000000484000-memory.dmp

            Filesize

            528KB

          • memory/948-59-0x0000000000400000-0x0000000000484000-memory.dmp

            Filesize

            528KB

          • memory/948-92-0x0000000000C95000-0x0000000000CA6000-memory.dmp

            Filesize

            68KB

          • memory/948-69-0x0000000000400000-0x0000000000484000-memory.dmp

            Filesize

            528KB

          • memory/948-87-0x0000000000C95000-0x0000000000CA6000-memory.dmp

            Filesize

            68KB

          • memory/1376-86-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1376-89-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1376-90-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1376-82-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB