Analysis

  • max time kernel
    148s
  • 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, 10:55

General

  • Target

    f9aebb47cd76923fcb9a655ce504e8765593acbdbb5ba9ab85258db896c053fa.xls

  • Size

    91KB

  • MD5

    f3c762b18399efd122ed38a31db5c5a6

  • SHA1

    9e97cc9307b72e55c155a3de77ec99e7222e4def

  • SHA256

    f9aebb47cd76923fcb9a655ce504e8765593acbdbb5ba9ab85258db896c053fa

  • SHA512

    e6ab4d798e73d0c75d073acdc5bd2b0ef10521798040e6d44d8eff04a68757c0b647b7dcd1a17550f6cce2570093966190b73680165e6cbaed44966275c98f4b

  • SSDEEP

    1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4ZXz3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgm

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\f9aebb47cd76923fcb9a655ce504e8765593acbdbb5ba9ab85258db896c053fa.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:4824
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4992
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:5108
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4348
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4652

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4824-120-0x00007FF9500F0000-0x00007FF950100000-memory.dmp

          Filesize

          64KB

        • memory/4824-121-0x00007FF9500F0000-0x00007FF950100000-memory.dmp

          Filesize

          64KB

        • memory/4824-122-0x00007FF9500F0000-0x00007FF950100000-memory.dmp

          Filesize

          64KB

        • memory/4824-123-0x00007FF9500F0000-0x00007FF950100000-memory.dmp

          Filesize

          64KB

        • memory/4824-132-0x00007FF94CC80000-0x00007FF94CC90000-memory.dmp

          Filesize

          64KB

        • memory/4824-133-0x00007FF94CC80000-0x00007FF94CC90000-memory.dmp

          Filesize

          64KB