Analysis

  • max time kernel
    128s
  • max time network
    152s
  • 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, 10:57

General

  • Target

    805fd6b7e2544d28b74c00d4233cd26d9b6938f48362e370543579a3786f71ac.xls

  • Size

    91KB

  • MD5

    00da7d03581277562c90db9d67f6972c

  • SHA1

    de5a619b808afd2aa1f5a89403c9830d70f9da25

  • SHA256

    805fd6b7e2544d28b74c00d4233cd26d9b6938f48362e370543579a3786f71ac

  • SHA512

    7a8039007f465ba9b6f83168e88130f9b75f39645f18468a6bca3d834732bca84a439fdd51dc3e8eecdf7f3c313e4e04b1c39691a73ed25dfc902aae7510d607

  • 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\805fd6b7e2544d28b74c00d4233cd26d9b6938f48362e370543579a3786f71ac.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:4420
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:5004
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3388
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:5028
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3572

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4420-118-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/4420-115-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/4420-127-0x00007FFC722E0000-0x00007FFC722F0000-memory.dmp

          Filesize

          64KB

        • memory/4420-128-0x00007FFC722E0000-0x00007FFC722F0000-memory.dmp

          Filesize

          64KB

        • memory/4420-117-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/4420-116-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/4420-309-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/4420-310-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/4420-311-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/4420-312-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB