Analysis

  • max time kernel
    128s
  • max time network
    131s
  • 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, 10:31

General

  • Target

    d951384b5cb5b0c23bd773ed96c6f23367e803a60ff20b7def0dc2403c227caa.xls

  • Size

    91KB

  • MD5

    531bd23c4054218923521b54d992a082

  • SHA1

    9b80be53ff9a1fea58a70ea5f2311a60f45af382

  • SHA256

    d951384b5cb5b0c23bd773ed96c6f23367e803a60ff20b7def0dc2403c227caa

  • SHA512

    ceacaf27a48a6d6d6badfc1716176f442cf85a7f77652ccf95131d18fa8fb4dfc9409e293d861018c06cbd229ecdc51e1406c819a45324c42b9390d82756e5ca

  • 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 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\d951384b5cb5b0c23bd773ed96c6f23367e803a60ff20b7def0dc2403c227caa.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1828
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4048
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4156
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4172

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2648-118-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-117-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-115-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-127-0x00007FFC2E8D0000-0x00007FFC2E8E0000-memory.dmp

          Filesize

          64KB

        • memory/2648-128-0x00007FFC2E8D0000-0x00007FFC2E8E0000-memory.dmp

          Filesize

          64KB

        • memory/2648-116-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-297-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-298-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-299-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-300-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB