Analysis

  • max time kernel
    162s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 16:54

General

  • Target

    f97a55d7b930da66d8a2ff8aff1aabc0.xlsm

  • Size

    6KB

  • MD5

    f97a55d7b930da66d8a2ff8aff1aabc0

  • SHA1

    f906448331b2a3e95c61c115b5eb03c374b2b9f6

  • SHA256

    d5b1d2c227b68c58b8277c4f9045f67dc9241b7a6e28adf2103e3ee96666ae70

  • SHA512

    a351e0924c71bf917ed9ba18a3bb24b259f207a847bf16b2dcadd31da090eb1e8326aceb7018492c9eae8a8ff8438e37d0f59832d034396fc6abec6682495571

  • SSDEEP

    192:NDSauSgbrA2OmmfRb8UhHFBFYudb98yg6+A:NduVM2wp1FYgb98ygg

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://46.17.98.187/index.php

Signatures

  • Process spawned suspicious child process 1 IoCs

    This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 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\f97a55d7b930da66d8a2ff8aff1aabc0.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4100
    • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
      "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4228
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:4852
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4228
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4100-16-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-6-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/4100-3-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-0-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/4100-4-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/4100-5-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-7-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-17-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-8-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-10-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-9-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-11-0x00007FF7F04E0000-0x00007FF7F04F0000-memory.dmp

    Filesize

    64KB

  • memory/4100-13-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-18-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-14-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-15-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-2-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/4100-1-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/4100-12-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4100-22-0x00007FF7F04E0000-0x00007FF7F04F0000-memory.dmp

    Filesize

    64KB

  • memory/4100-39-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4852-32-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4852-33-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4852-34-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4852-29-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4852-42-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/4852-43-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/4852-45-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4852-44-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/4852-46-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

    Filesize

    64KB

  • memory/4852-47-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4852-48-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB

  • memory/4852-49-0x00007FF832C10000-0x00007FF832E05000-memory.dmp

    Filesize

    2.0MB