Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/11/2022, 10:37

General

  • Target

    8adada5aa4d30926b43d052e6cb4168f6ba5f91b0670a922c0f5b5be17696eb5.xls

  • Size

    91KB

  • MD5

    6b2bb20f488ce6783b4565e9f363396b

  • SHA1

    d4aac041e2061ac46edefae615a1d5e82e4a3420

  • SHA256

    8adada5aa4d30926b43d052e6cb4168f6ba5f91b0670a922c0f5b5be17696eb5

  • SHA512

    44cd159419d085d307ee3d226a26bb9de1c81c1124f31df7b9063844191672aa5a0054a46c0c374ade9f4fbc1303fd0d925926fa8cd57a354cd06c3d5d2dccf6

  • SSDEEP

    1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4ZXz3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO

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\8adada5aa4d30926b43d052e6cb4168f6ba5f91b0670a922c0f5b5be17696eb5.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:372
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4296
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3472
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4716
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1972

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/372-120-0x00007FF9D0A10000-0x00007FF9D0A20000-memory.dmp

          Filesize

          64KB

        • memory/372-121-0x00007FF9D0A10000-0x00007FF9D0A20000-memory.dmp

          Filesize

          64KB

        • memory/372-122-0x00007FF9D0A10000-0x00007FF9D0A20000-memory.dmp

          Filesize

          64KB

        • memory/372-123-0x00007FF9D0A10000-0x00007FF9D0A20000-memory.dmp

          Filesize

          64KB

        • memory/372-132-0x00007FF9CDEC0000-0x00007FF9CDED0000-memory.dmp

          Filesize

          64KB

        • memory/372-133-0x00007FF9CDEC0000-0x00007FF9CDED0000-memory.dmp

          Filesize

          64KB