Analysis

  • max time kernel
    100s
  • max time network
    170s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 20:57

General

  • Target

    b4466b32eaccffeb486bf92dc0bcf26a9f29c6b8c148cc004ed9bb0eabc5ae91.exe

  • Size

    1.1MB

  • MD5

    f318e540a01cf649bbb1640c81c55c94

  • SHA1

    7afdb12755c99467b79dcc7ca92b07cac8b38a93

  • SHA256

    b4466b32eaccffeb486bf92dc0bcf26a9f29c6b8c148cc004ed9bb0eabc5ae91

  • SHA512

    a5438f40ed13d0e262ac548d8dcc7a559763a4eda3c6d3df77629baa578898eaa94f4b449db21027a3c28e98072bc7a774b7f949b5c5d7b4e6a7b7ec76e4bb87

  • SSDEEP

    24576:X6blI9AqgZh+D3vspAANvVp2OrHtKuzNwiTIV3teph6ar+:X6bK91eh+D0pFBKOn8lwph6ay

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    drlwjrdttnageixp

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 24 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Looks up external IP address via web service 3 IoCs

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

  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4466b32eaccffeb486bf92dc0bcf26a9f29c6b8c148cc004ed9bb0eabc5ae91.exe
    "C:\Users\Admin\AppData\Local\Temp\b4466b32eaccffeb486bf92dc0bcf26a9f29c6b8c148cc004ed9bb0eabc5ae91.exe"
    1⤵
    • Loads dropped DLL
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\WindowsNT\CurrentVersion\Windows" /f /v "Load" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\nvtray.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1108
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\WindowsNT\CurrentVersion\Windows" /f /v "Load" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\nvtray.exe"
        3⤵
          PID:1156
      • C:\Users\Admin\AppData\Roaming\nvtray.exe
        "C:\Users\Admin\AppData\Roaming\nvtray.exe"
        2⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1700
        • C:\Users\Admin\AppData\Roaming\nvtray.exe
          "C:\Users\Admin\AppData\Roaming\nvtray.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1580
          • 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:920
            • 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"
              4⤵
                PID:1604
              • 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\holderprodkey.txt"
                4⤵
                  PID:2032
                • 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\holderskypeview.txt"
                  4⤵
                    PID:844

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\holderprodkey.txt
              Filesize

              1KB

              MD5

              c1da33bc664c10aa86e6e450136bb4b3

              SHA1

              4001924b38dc3e41a5d9573e2880919e204ede94

              SHA256

              02c8c655b70f06dcde29a6bbaf35f76a70210954b5d934ca65f83e4f91e24391

              SHA512

              5ce23126fdee1d418606f33217638818fcf0c44fcc19bbb1ab259ce0468db6878469a6f6c7f38d094d03a02104ddeb900364d367ad91753d2169e2b92660d8c1

            • C:\Users\Admin\AppData\Local\Temp\holderskypeview.txt
              Filesize

              2B

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

              2B

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

            • C:\Users\Admin\AppData\Roaming\nvtray.exe
              Filesize

              1.1MB

              MD5

              f318e540a01cf649bbb1640c81c55c94

              SHA1

              7afdb12755c99467b79dcc7ca92b07cac8b38a93

              SHA256

              b4466b32eaccffeb486bf92dc0bcf26a9f29c6b8c148cc004ed9bb0eabc5ae91

              SHA512

              a5438f40ed13d0e262ac548d8dcc7a559763a4eda3c6d3df77629baa578898eaa94f4b449db21027a3c28e98072bc7a774b7f949b5c5d7b4e6a7b7ec76e4bb87

            • C:\Users\Admin\AppData\Roaming\nvtray.exe
              Filesize

              1.1MB

              MD5

              f318e540a01cf649bbb1640c81c55c94

              SHA1

              7afdb12755c99467b79dcc7ca92b07cac8b38a93

              SHA256

              b4466b32eaccffeb486bf92dc0bcf26a9f29c6b8c148cc004ed9bb0eabc5ae91

              SHA512

              a5438f40ed13d0e262ac548d8dcc7a559763a4eda3c6d3df77629baa578898eaa94f4b449db21027a3c28e98072bc7a774b7f949b5c5d7b4e6a7b7ec76e4bb87

            • C:\Users\Admin\AppData\Roaming\nvtray.exe
              Filesize

              1.1MB

              MD5

              f318e540a01cf649bbb1640c81c55c94

              SHA1

              7afdb12755c99467b79dcc7ca92b07cac8b38a93

              SHA256

              b4466b32eaccffeb486bf92dc0bcf26a9f29c6b8c148cc004ed9bb0eabc5ae91

              SHA512

              a5438f40ed13d0e262ac548d8dcc7a559763a4eda3c6d3df77629baa578898eaa94f4b449db21027a3c28e98072bc7a774b7f949b5c5d7b4e6a7b7ec76e4bb87

            • \Users\Admin\AppData\Roaming\nvtray.exe
              Filesize

              1.1MB

              MD5

              f318e540a01cf649bbb1640c81c55c94

              SHA1

              7afdb12755c99467b79dcc7ca92b07cac8b38a93

              SHA256

              b4466b32eaccffeb486bf92dc0bcf26a9f29c6b8c148cc004ed9bb0eabc5ae91

              SHA512

              a5438f40ed13d0e262ac548d8dcc7a559763a4eda3c6d3df77629baa578898eaa94f4b449db21027a3c28e98072bc7a774b7f949b5c5d7b4e6a7b7ec76e4bb87

            • memory/844-113-0x0000000000400000-0x000000000044F000-memory.dmp
              Filesize

              316KB

            • memory/844-112-0x0000000000400000-0x000000000044F000-memory.dmp
              Filesize

              316KB

            • memory/844-109-0x000000000043BC50-mapping.dmp
            • memory/844-108-0x0000000000400000-0x000000000044F000-memory.dmp
              Filesize

              316KB

            • memory/920-100-0x0000000000400000-0x000000000041B000-memory.dmp
              Filesize

              108KB

            • memory/920-91-0x0000000000400000-0x000000000041B000-memory.dmp
              Filesize

              108KB

            • memory/920-90-0x0000000000400000-0x000000000041B000-memory.dmp
              Filesize

              108KB

            • memory/920-87-0x0000000000411714-mapping.dmp
            • memory/920-86-0x0000000000400000-0x000000000041B000-memory.dmp
              Filesize

              108KB

            • memory/1108-58-0x0000000000000000-mapping.dmp
            • memory/1156-59-0x0000000000000000-mapping.dmp
            • memory/1580-67-0x0000000000400000-0x00000000004F0000-memory.dmp
              Filesize

              960KB

            • memory/1580-73-0x0000000000400000-0x00000000004F0000-memory.dmp
              Filesize

              960KB

            • memory/1580-75-0x00000000004EB1AE-mapping.dmp
            • memory/1580-78-0x0000000000400000-0x00000000004F0000-memory.dmp
              Filesize

              960KB

            • memory/1580-80-0x0000000000400000-0x00000000004F0000-memory.dmp
              Filesize

              960KB

            • memory/1580-82-0x0000000074DE0000-0x000000007538B000-memory.dmp
              Filesize

              5.7MB

            • memory/1580-68-0x0000000000400000-0x00000000004F0000-memory.dmp
              Filesize

              960KB

            • memory/1580-71-0x0000000000400000-0x00000000004F0000-memory.dmp
              Filesize

              960KB

            • memory/1580-85-0x0000000074DE0000-0x000000007538B000-memory.dmp
              Filesize

              5.7MB

            • memory/1580-74-0x0000000000400000-0x00000000004F0000-memory.dmp
              Filesize

              960KB

            • memory/1604-96-0x0000000000400000-0x0000000000459000-memory.dmp
              Filesize

              356KB

            • memory/1604-92-0x0000000000400000-0x0000000000459000-memory.dmp
              Filesize

              356KB

            • memory/1604-93-0x0000000000442F04-mapping.dmp
            • memory/1604-97-0x0000000000400000-0x0000000000459000-memory.dmp
              Filesize

              356KB

            • memory/1604-98-0x0000000000400000-0x0000000000459000-memory.dmp
              Filesize

              356KB

            • memory/1700-61-0x0000000000000000-mapping.dmp
            • memory/1700-70-0x0000000074DE0000-0x000000007538B000-memory.dmp
              Filesize

              5.7MB

            • memory/1700-84-0x0000000002056000-0x0000000002067000-memory.dmp
              Filesize

              68KB

            • memory/1700-83-0x0000000074DE0000-0x000000007538B000-memory.dmp
              Filesize

              5.7MB

            • memory/1700-72-0x0000000002056000-0x0000000002067000-memory.dmp
              Filesize

              68KB

            • memory/1952-54-0x00000000762F1000-0x00000000762F3000-memory.dmp
              Filesize

              8KB

            • memory/1952-66-0x0000000074DE0000-0x000000007538B000-memory.dmp
              Filesize

              5.7MB

            • memory/1952-62-0x0000000002226000-0x0000000002237000-memory.dmp
              Filesize

              68KB

            • memory/1952-57-0x0000000074DE0000-0x000000007538B000-memory.dmp
              Filesize

              5.7MB

            • memory/1952-56-0x0000000002226000-0x0000000002237000-memory.dmp
              Filesize

              68KB

            • memory/1952-55-0x0000000074DE0000-0x000000007538B000-memory.dmp
              Filesize

              5.7MB

            • memory/2032-102-0x000000000040BEC0-mapping.dmp
            • memory/2032-105-0x0000000000400000-0x0000000000415000-memory.dmp
              Filesize

              84KB

            • memory/2032-107-0x0000000000400000-0x0000000000415000-memory.dmp
              Filesize

              84KB

            • memory/2032-101-0x0000000000400000-0x0000000000415000-memory.dmp
              Filesize

              84KB