Analysis

  • max time kernel
    124s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 13:30

General

  • Target

    c01eeff0cdfe8e1fcc2475f0296a3bd5ac314aaa7004a6fba95fd5ab37817d08.exe

  • Size

    684KB

  • MD5

    3a500a18474fc05e3f3d7123fb54400e

  • SHA1

    9f17a0fd847d49abea516952bd6a27b94993e9a1

  • SHA256

    c01eeff0cdfe8e1fcc2475f0296a3bd5ac314aaa7004a6fba95fd5ab37817d08

  • SHA512

    02050a9d79f1e23d2dbc8c9b4a1f087548ad79fcf62045bf23b251b6151c84cfa23ac670857d9bf55ab7a8c2846c6dc09fa9be6b7cfc3fb82bb8ab0d08a9f6d3

  • SSDEEP

    12288:btE3CmI1SzdCJ3wZvYYnIjzfUHcuiBozJIl95cTWYNGzYZkL3s/S7nwx0:bSylSzdlv2jzfUFiLLQNGzYo4S7nwx

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 4 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 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 49 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c01eeff0cdfe8e1fcc2475f0296a3bd5ac314aaa7004a6fba95fd5ab37817d08.exe
    "C:\Users\Admin\AppData\Local\Temp\c01eeff0cdfe8e1fcc2475f0296a3bd5ac314aaa7004a6fba95fd5ab37817d08.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Users\Admin\AppData\Local\Temp\c01eeff0cdfe8e1fcc2475f0296a3bd5ac314aaa7004a6fba95fd5ab37817d08.exe
      "C:\Users\Admin\AppData\Local\Temp\c01eeff0cdfe8e1fcc2475f0296a3bd5ac314aaa7004a6fba95fd5ab37817d08.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3984
      • C:\Users\Admin\AppData\Local\Temp\c01eeff0cdfe8e1fcc2475f0296a3bd5ac314aaa7004a6fba95fd5ab37817d08.exe
        "C:\Users\Admin\AppData\Local\Temp\c01eeff0cdfe8e1fcc2475f0296a3bd5ac314aaa7004a6fba95fd5ab37817d08.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:832
        • 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"
          4⤵
            PID:2988
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 188
              5⤵
              • Program crash
              PID:688
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 232
              5⤵
              • Program crash
              PID:4868
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
            dw20.exe -x -s 2632
            4⤵
            • Drops file in Windows directory
            • Checks processor information in registry
            • Enumerates system info in registry
            • Suspicious use of AdjustPrivilegeToken
            PID:1888
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2988 -ip 2988
      1⤵
        PID:4564
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2988 -ip 2988
        1⤵
          PID:4280

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\c01eeff0cdfe8e1fcc2475f0296a3bd5ac314aaa7004a6fba95fd5ab37817d08.exe.log

          Filesize

          408B

          MD5

          2d362531e18207d8e72a10ba27f12ca2

          SHA1

          42a3de9849915d1d25da086026dff1952d39ae3b

          SHA256

          cf39cec2d65bcda74a7d8a7cb889455d9a7348f6a25180afb6f5121bafb8c56a

          SHA512

          a36f09f1e957fcf4c8804c7a9328176ff19badd935c8bf1313e5d59e71e503a160b93052b23e19733b791b5e9f5282d6b498f8e2973ef8f7a303e38b22a64355

        • memory/832-147-0x0000000075140000-0x00000000756F1000-memory.dmp

          Filesize

          5.7MB

        • memory/832-154-0x0000000075140000-0x00000000756F1000-memory.dmp

          Filesize

          5.7MB

        • memory/832-148-0x0000000075140000-0x00000000756F1000-memory.dmp

          Filesize

          5.7MB

        • memory/832-139-0x0000000000000000-mapping.dmp

        • memory/832-140-0x0000000000400000-0x000000000048C000-memory.dmp

          Filesize

          560KB

        • memory/832-142-0x0000000000400000-0x000000000048C000-memory.dmp

          Filesize

          560KB

        • memory/832-141-0x0000000000400000-0x000000000048C000-memory.dmp

          Filesize

          560KB

        • memory/1888-153-0x0000000000000000-mapping.dmp

        • memory/2988-150-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2988-149-0x0000000000000000-mapping.dmp

        • memory/3984-136-0x0000000000400000-0x000000000049C000-memory.dmp

          Filesize

          624KB

        • memory/3984-146-0x0000000075140000-0x00000000756F1000-memory.dmp

          Filesize

          5.7MB

        • memory/3984-138-0x0000000075140000-0x00000000756F1000-memory.dmp

          Filesize

          5.7MB

        • memory/3984-135-0x0000000000400000-0x000000000049C000-memory.dmp

          Filesize

          624KB

        • memory/3984-134-0x0000000000400000-0x000000000049C000-memory.dmp

          Filesize

          624KB

        • memory/3984-133-0x0000000000000000-mapping.dmp

        • memory/4956-145-0x0000000075140000-0x00000000756F1000-memory.dmp

          Filesize

          5.7MB

        • memory/4956-132-0x0000000075140000-0x00000000756F1000-memory.dmp

          Filesize

          5.7MB