Analysis

  • max time kernel
    149s
  • max time network
    145s
  • 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, 10:46

General

  • Target

    6ae8e8d67a02561ab597f5effdd94fe220ffe15dff0976105076461dfb56a53c.xls

  • Size

    91KB

  • MD5

    63ad90df92c58c82655a55aba3430a9c

  • SHA1

    8de32004508534957d6347394a92a75e4ef92b12

  • SHA256

    6ae8e8d67a02561ab597f5effdd94fe220ffe15dff0976105076461dfb56a53c

  • SHA512

    6c9450fd216e87008a2c1af03dc630e221beeb9677df15d636d56456d0904a4b038446a329254e25c8ab898bc695386ab54e797f7412c209ea799be5fefd9435

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgu

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://bosny.com/aspnet_client/R50QIOGjmvVlr/

xlm40.dropper

http://navylin.com/autopoisonous/4fZQW/

xlm40.dropper

http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/

xlm40.dropper

http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/

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\6ae8e8d67a02561ab597f5effdd94fe220ffe15dff0976105076461dfb56a53c.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:3848
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4488
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4416
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4412
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3680

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3848-120-0x00007FFA36200000-0x00007FFA36210000-memory.dmp

          Filesize

          64KB

        • memory/3848-121-0x00007FFA36200000-0x00007FFA36210000-memory.dmp

          Filesize

          64KB

        • memory/3848-122-0x00007FFA36200000-0x00007FFA36210000-memory.dmp

          Filesize

          64KB

        • memory/3848-123-0x00007FFA36200000-0x00007FFA36210000-memory.dmp

          Filesize

          64KB

        • memory/3848-132-0x00007FFA33610000-0x00007FFA33620000-memory.dmp

          Filesize

          64KB

        • memory/3848-133-0x00007FFA33610000-0x00007FFA33620000-memory.dmp

          Filesize

          64KB