Analysis

  • max time kernel
    0s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 04:51

General

  • Target

    28e751fdd703634231c0a25d7081ffe2.exe

  • Size

    145KB

  • MD5

    28e751fdd703634231c0a25d7081ffe2

  • SHA1

    cd660ea569bf6b2f55bbbe1352969e51878491a5

  • SHA256

    8b54df8133dbef3dbaf42fb3ee9267fd521228776f16d9500eb12b9cadf678fd

  • SHA512

    68271210a22a525a66de759d6ab0de345b5f84fe82fcc862b57661282ace81fc22623340b7b3fd9db4d2d005e2e2370d0d4fa9acb3867ef4d53f2d7c73904ccd

  • SSDEEP

    3072:7mXTLdvPFfj1Ky33bbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFyVU7/0yoC4h:7qJnwvP6bQ7yMP+DE827/xovh

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\28e751fdd703634231c0a25d7081ffe2.exe
    "C:\Users\Admin\AppData\Local\Temp\28e751fdd703634231c0a25d7081ffe2.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\28E751~1.EXE >> NUL
      2⤵
        PID:320

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1496-0-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB

          • memory/1496-28-0x00000000024D0000-0x00000000024D1000-memory.dmp

            Filesize

            4KB

          • memory/1496-41-0x0000000002540000-0x0000000002541000-memory.dmp

            Filesize

            4KB

          • memory/1496-40-0x0000000002500000-0x0000000002501000-memory.dmp

            Filesize

            4KB

          • memory/1496-39-0x00000000024A0000-0x00000000024A1000-memory.dmp

            Filesize

            4KB

          • memory/1496-43-0x0000000000720000-0x0000000000750000-memory.dmp

            Filesize

            192KB

          • memory/1496-42-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB

          • memory/1496-38-0x0000000002590000-0x0000000002591000-memory.dmp

            Filesize

            4KB

          • memory/1496-37-0x00000000025A0000-0x00000000025A1000-memory.dmp

            Filesize

            4KB

          • memory/1496-36-0x0000000002570000-0x0000000002571000-memory.dmp

            Filesize

            4KB

          • memory/1496-35-0x0000000002580000-0x0000000002581000-memory.dmp

            Filesize

            4KB

          • memory/1496-34-0x0000000002550000-0x0000000002551000-memory.dmp

            Filesize

            4KB

          • memory/1496-33-0x0000000002560000-0x0000000002561000-memory.dmp

            Filesize

            4KB

          • memory/1496-32-0x0000000002530000-0x0000000002531000-memory.dmp

            Filesize

            4KB

          • memory/1496-31-0x0000000002510000-0x0000000002511000-memory.dmp

            Filesize

            4KB

          • memory/1496-30-0x0000000002520000-0x0000000002521000-memory.dmp

            Filesize

            4KB

          • memory/1496-29-0x00000000024F0000-0x00000000024F1000-memory.dmp

            Filesize

            4KB

          • memory/1496-27-0x00000000024E0000-0x00000000024E1000-memory.dmp

            Filesize

            4KB

          • memory/1496-25-0x00000000024C0000-0x00000000024C1000-memory.dmp

            Filesize

            4KB

          • memory/1496-26-0x00000000024B0000-0x00000000024B1000-memory.dmp

            Filesize

            4KB

          • memory/1496-23-0x0000000002470000-0x0000000002471000-memory.dmp

            Filesize

            4KB

          • memory/1496-24-0x0000000002490000-0x0000000002491000-memory.dmp

            Filesize

            4KB

          • memory/1496-22-0x0000000002480000-0x0000000002481000-memory.dmp

            Filesize

            4KB

          • memory/1496-21-0x0000000002450000-0x0000000002451000-memory.dmp

            Filesize

            4KB

          • memory/1496-20-0x0000000002460000-0x0000000002461000-memory.dmp

            Filesize

            4KB

          • memory/1496-19-0x0000000002420000-0x0000000002421000-memory.dmp

            Filesize

            4KB

          • memory/1496-18-0x0000000002430000-0x0000000002431000-memory.dmp

            Filesize

            4KB

          • memory/1496-17-0x0000000002400000-0x0000000002401000-memory.dmp

            Filesize

            4KB

          • memory/1496-16-0x0000000002410000-0x0000000002411000-memory.dmp

            Filesize

            4KB

          • memory/1496-15-0x00000000023E0000-0x00000000023E1000-memory.dmp

            Filesize

            4KB

          • memory/1496-14-0x00000000023F0000-0x00000000023F1000-memory.dmp

            Filesize

            4KB

          • memory/1496-13-0x00000000023C0000-0x00000000023C1000-memory.dmp

            Filesize

            4KB

          • memory/1496-12-0x00000000023D0000-0x00000000023D1000-memory.dmp

            Filesize

            4KB

          • memory/1496-11-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

          • memory/1496-10-0x00000000023B0000-0x00000000023B1000-memory.dmp

            Filesize

            4KB

          • memory/1496-9-0x0000000002380000-0x0000000002381000-memory.dmp

            Filesize

            4KB

          • memory/1496-8-0x0000000002390000-0x0000000002391000-memory.dmp

            Filesize

            4KB

          • memory/1496-7-0x0000000002350000-0x0000000002351000-memory.dmp

            Filesize

            4KB

          • memory/1496-6-0x00000000006F0000-0x00000000006F1000-memory.dmp

            Filesize

            4KB

          • memory/1496-5-0x00000000006E0000-0x00000000006E1000-memory.dmp

            Filesize

            4KB

          • memory/1496-4-0x0000000002340000-0x0000000002341000-memory.dmp

            Filesize

            4KB

          • memory/1496-3-0x0000000000700000-0x0000000000701000-memory.dmp

            Filesize

            4KB

          • memory/1496-2-0x0000000002330000-0x0000000002332000-memory.dmp

            Filesize

            8KB

          • memory/1496-1-0x0000000000720000-0x0000000000750000-memory.dmp

            Filesize

            192KB