Analysis

  • max time kernel
    133s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 00:03

General

  • Target

    e5a5957ddd40e78877357645ebb63e9f4f7827b4e4e91b1fd79b19b073547742.xlsm

  • Size

    30KB

  • MD5

    97311b9cc97478e878fb669702eb27e7

  • SHA1

    aa244f5d61de51c575a7324a574a27608342665c

  • SHA256

    e5a5957ddd40e78877357645ebb63e9f4f7827b4e4e91b1fd79b19b073547742

  • SHA512

    b97e63a72f6f53ff78df794d198c26255c764db6d30af84dc07e719c86495b4572e2396ab862f728c53de7f4e520c63775b3af45d25d8a97b2af2f3721899ce6

  • SSDEEP

    384:X842JZPFhNjtOA7icg0SCdiVH2KgUrNU/qWhZOdBNPJM+kqr9eCgh0k5M2E6v:QHFhNZliH2ydFfPdkqstJhE6v

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://henrysfreshroast.com/6cc4ts0bkrOlXq/

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\e5a5957ddd40e78877357645ebb63e9f4f7827b4e4e91b1fd79b19b073547742.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:5004
    • 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:2252

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

    1KB

    MD5

    be76b95eb0502c62e9f53ff3fcc3887f

    SHA1

    eff2c8e5d75eb70486d621118d8667aa0bfbf99a

    SHA256

    8050219528e740b8ea91fd900aabdb98a0a0511e6a3497f4fca01d4c19913131

    SHA512

    da790e9ba246b5a6efdf7977d52f8a823b790c78dfef2b1ac8c209c96c1e53afbf85c79c3989178c45ef17d44c81ac686726bb4bf643e278e832772d032087a8

  • C:\Users\Admin\rfs.dll

    Filesize

    56KB

    MD5

    d5cbf3235a39c09c9d292dafdf0393a5

    SHA1

    ae109e202e6f0965b47f38ee29b3725800939a9f

    SHA256

    208d15c175407bc56c9e1d1a6e31290cf8c04fe1da742e4ad0dbe06960b7f1dd

    SHA512

    202212aeb1cabe772e05ec7649b83be4a04b68b644a1621993e91e370dc0b9de268ea50f0dab3a74178ecb648d06b5173222d3ed1f0e31d04abeded020b079bd

  • memory/5004-12-0x00007FFDECD50000-0x00007FFDECD60000-memory.dmp

    Filesize

    64KB

  • memory/5004-43-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-5-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-6-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-7-0x00007FFDEEDB0000-0x00007FFDEEDC0000-memory.dmp

    Filesize

    64KB

  • memory/5004-4-0x00007FFDEEDB0000-0x00007FFDEEDC0000-memory.dmp

    Filesize

    64KB

  • memory/5004-9-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-8-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-11-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-10-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-1-0x00007FFE2EDCD000-0x00007FFE2EDCE000-memory.dmp

    Filesize

    4KB

  • memory/5004-3-0x00007FFDEEDB0000-0x00007FFDEEDC0000-memory.dmp

    Filesize

    64KB

  • memory/5004-15-0x00007FFDECD50000-0x00007FFDECD60000-memory.dmp

    Filesize

    64KB

  • memory/5004-16-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-14-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-18-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-19-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-17-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-2-0x00007FFDEEDB0000-0x00007FFDEEDC0000-memory.dmp

    Filesize

    64KB

  • memory/5004-41-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-42-0x00007FFE2EDCD000-0x00007FFE2EDCE000-memory.dmp

    Filesize

    4KB

  • memory/5004-13-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-47-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-0-0x00007FFDEEDB0000-0x00007FFDEEDC0000-memory.dmp

    Filesize

    64KB