Analysis

  • max time kernel
    149s
  • max time network
    147s
  • 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, 10:24

General

  • Target

    eb528449a2251cc848ff621d6763e342c5a74a96ad170ae7d4aa542975c6e4c1.xls

  • Size

    91KB

  • MD5

    7e8c62797d23dc4758eec46220d2d046

  • SHA1

    66dc6635f68a4e69a45490c86e0a7bcd50b5478e

  • SHA256

    eb528449a2251cc848ff621d6763e342c5a74a96ad170ae7d4aa542975c6e4c1

  • SHA512

    2650c72876e71dfa9fd711bba3a83c2606f42cde295c779063143f9c98a3b38e0612cf3d56234af0a00801da41f42c5beca6b9ccb6360eda9e17e142f88af3e6

  • 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\eb528449a2251cc848ff621d6763e342c5a74a96ad170ae7d4aa542975c6e4c1.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:5088
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4268
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4072
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4000
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3184

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/5088-120-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

          Filesize

          64KB

        • memory/5088-121-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

          Filesize

          64KB

        • memory/5088-122-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

          Filesize

          64KB

        • memory/5088-123-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

          Filesize

          64KB

        • memory/5088-132-0x00007FFF49220000-0x00007FFF49230000-memory.dmp

          Filesize

          64KB

        • memory/5088-133-0x00007FFF49220000-0x00007FFF49230000-memory.dmp

          Filesize

          64KB