Analysis

  • max time kernel
    128s
  • max time network
    146s
  • 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, 10:47

General

  • Target

    aa9aa73e198c2f810177889edc8a0527882f2ffeead30db11658886da511c5ad.xls

  • Size

    91KB

  • MD5

    38fc75ad76fc7ebacc28051dc777c5b4

  • SHA1

    31636625861429a7b519a0eaa33f0889fb6ce4d0

  • SHA256

    aa9aa73e198c2f810177889edc8a0527882f2ffeead30db11658886da511c5ad

  • SHA512

    324b2f7e0ccbb82f8840df2e772834570c41b85c26f7a30207b9af6be0867bd325c39d4c9ab6fde5a90812db2ca105b9f2a161f59515a085a15d006d10e755e7

  • 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\aa9aa73e198c2f810177889edc8a0527882f2ffeead30db11658886da511c5ad.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:4716
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4600
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:2164
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:5008
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:5036

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4716-119-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

          Filesize

          64KB

        • memory/4716-116-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

          Filesize

          64KB

        • memory/4716-128-0x00007FFA5A110000-0x00007FFA5A120000-memory.dmp

          Filesize

          64KB

        • memory/4716-129-0x00007FFA5A110000-0x00007FFA5A120000-memory.dmp

          Filesize

          64KB

        • memory/4716-118-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

          Filesize

          64KB

        • memory/4716-117-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

          Filesize

          64KB

        • memory/4716-294-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

          Filesize

          64KB

        • memory/4716-295-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

          Filesize

          64KB

        • memory/4716-296-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

          Filesize

          64KB

        • memory/4716-297-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

          Filesize

          64KB