Analysis

  • max time kernel
    133s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2024 17:40

General

  • Target

    d3592e74ae6782a68ae77bddb4829989f92508f3c098614c14e2ac5ef0588bec.xlsm

  • Size

    30KB

  • MD5

    ba544c881abc657bdc85994cf6354e53

  • SHA1

    0d58711964549bcb18903a8592ac5ec6aafc8a6a

  • SHA256

    d3592e74ae6782a68ae77bddb4829989f92508f3c098614c14e2ac5ef0588bec

  • SHA512

    4c0c441fd4d87cd2f6efa7144e7c5fb2ae1c8c67c56fa92776805b2adc34ff2a96a8a0db59d60f21e0d2c018792efe4e024a9228f3b0209e638b44bde146d622

  • SSDEEP

    384:bwdAZPFhNjUA7icg0SCdiVAg2GKgUrNU/qWhZOdBNPJM+kqr9eCgh0k5NGE6h:sdwFhNbiH2rndFfPdkqstJNGE6h

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.ajaxmatters.com/c7g8t/hAQX/

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 3 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\d3592e74ae6782a68ae77bddb4829989f92508f3c098614c14e2ac5ef0588bec.xlsm"
    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:1080
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:620

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

    3KB

    MD5

    278d74fd4289d085cfbe359a67ebd845

    SHA1

    3612c2032b54d673fb4e3da53c995877b6dcc001

    SHA256

    cf27b74b6c6f59422bdaf1cdf4cd261aee875188e45b1bd1c8ec46726d944061

    SHA512

    f25522b830ec4681b8fb83d353f7b953cb638c3e022980fcef9f85be1665ffe5594e3c9e98794b9ff9ad4f95c010800bc65949c2ddbdbb82a55a1c0ede75917c

  • C:\Users\Admin\rfs.dll

    Filesize

    23KB

    MD5

    4ed8ca5542b641fddd200acebadf4e3c

    SHA1

    41fd7fb6cb84805fbc229cbf13620f80a5008003

    SHA256

    3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33

    SHA512

    866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

  • memory/1080-13-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

    Filesize

    2.0MB

  • memory/1080-12-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

    Filesize

    2.0MB

  • memory/1080-4-0x00007FF7ED410000-0x00007FF7ED420000-memory.dmp

    Filesize

    64KB

  • memory/1080-7-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

    Filesize

    2.0MB

  • memory/1080-6-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

    Filesize

    2.0MB

  • memory/1080-1-0x00007FF7ED410000-0x00007FF7ED420000-memory.dmp

    Filesize

    64KB

  • memory/1080-11-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

    Filesize

    2.0MB

  • memory/1080-14-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

    Filesize

    2.0MB

  • memory/1080-2-0x00007FF7ED410000-0x00007FF7ED420000-memory.dmp

    Filesize

    64KB

  • memory/1080-5-0x00007FF7ED410000-0x00007FF7ED420000-memory.dmp

    Filesize

    64KB

  • memory/1080-16-0x00007FF7EACA0000-0x00007FF7EACB0000-memory.dmp

    Filesize

    64KB

  • memory/1080-15-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

    Filesize

    2.0MB

  • memory/1080-10-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

    Filesize

    2.0MB

  • memory/1080-17-0x00007FF7EACA0000-0x00007FF7EACB0000-memory.dmp

    Filesize

    64KB

  • memory/1080-18-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

    Filesize

    2.0MB

  • memory/1080-9-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

    Filesize

    2.0MB

  • memory/1080-8-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

    Filesize

    2.0MB

  • memory/1080-0-0x00007FF7ED410000-0x00007FF7ED420000-memory.dmp

    Filesize

    64KB

  • memory/1080-40-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

    Filesize

    2.0MB

  • memory/1080-3-0x00007FF82D42D000-0x00007FF82D42E000-memory.dmp

    Filesize

    4KB