Analysis

  • max time kernel
    128s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/11/2022, 10:18

General

  • Target

    13f68c4c239feea0c573576927896f3d7dc0372b39155681f47bd9a688c21be0.xls

  • Size

    91KB

  • MD5

    fd9c165965099830709c44922e353b59

  • SHA1

    f5020a7afdbaf029d86b34202065de47c802407a

  • SHA256

    13f68c4c239feea0c573576927896f3d7dc0372b39155681f47bd9a688c21be0

  • SHA512

    b130435c8f4e54c83e34a159d0927f533381b228f61bc1aa0332cea70a29c930ae3b5d250534db19115d89e20c4d38ca65918722ba3d2b49b1b98ebbbcc3d57a

  • SSDEEP

    1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4Z3z3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgG

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.conceptagency.net/css/b8eaKN/

xlm40.dropper

https://bencevendeghaz.hu/2zjoi/cwfKJOzA/

xlm40.dropper

http://45.32.114.141/xilte/Uqm6Eysf3Hkjwh/

xlm40.dropper

http://ruitaiwz.com/wp-admin/MXlp5IsUKwT1k0DtzT/

Signatures

  • Process spawned unexpected child process 4 IoCs

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

  • 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 8 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\13f68c4c239feea0c573576927896f3d7dc0372b39155681f47bd9a688c21be0.xls"
    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:3084
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4592
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4916
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3204
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:2924

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3084-121-0x00007FFEC81E0000-0x00007FFEC81F0000-memory.dmp

          Filesize

          64KB

        • memory/3084-120-0x00007FFEC81E0000-0x00007FFEC81F0000-memory.dmp

          Filesize

          64KB

        • memory/3084-118-0x00007FFEC81E0000-0x00007FFEC81F0000-memory.dmp

          Filesize

          64KB

        • memory/3084-130-0x00007FFEC4670000-0x00007FFEC4680000-memory.dmp

          Filesize

          64KB

        • memory/3084-131-0x00007FFEC4670000-0x00007FFEC4680000-memory.dmp

          Filesize

          64KB

        • memory/3084-119-0x00007FFEC81E0000-0x00007FFEC81F0000-memory.dmp

          Filesize

          64KB

        • memory/3084-296-0x00007FFEC81E0000-0x00007FFEC81F0000-memory.dmp

          Filesize

          64KB

        • memory/3084-297-0x00007FFEC81E0000-0x00007FFEC81F0000-memory.dmp

          Filesize

          64KB

        • memory/3084-298-0x00007FFEC81E0000-0x00007FFEC81F0000-memory.dmp

          Filesize

          64KB

        • memory/3084-299-0x00007FFEC81E0000-0x00007FFEC81F0000-memory.dmp

          Filesize

          64KB