Analysis

  • max time kernel
    148s
  • max time network
    148s
  • 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, 11:01

General

  • Target

    4a09548ed23227d26027e97ed1d9ef6c66f388327072bc9f298853e238d14d25.xls

  • Size

    91KB

  • MD5

    3e9e9a800e32d20dbe5d482173cded1d

  • SHA1

    b6fc99fb192fb0a649bb1f910bca988f2f2e324b

  • SHA256

    4a09548ed23227d26027e97ed1d9ef6c66f388327072bc9f298853e238d14d25

  • SHA512

    8e002becd2f6da727ffb6af791b5281ef1a18ef389054c9b0e5cb79275550217497dd93f11f89de47ef6c896862450999cf590735e2f5b4affb7db7332b57cfc

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgG

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 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\4a09548ed23227d26027e97ed1d9ef6c66f388327072bc9f298853e238d14d25.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4652
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4704
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4496
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4396

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4828-120-0x00007FF9500F0000-0x00007FF950100000-memory.dmp

          Filesize

          64KB

        • memory/4828-121-0x00007FF9500F0000-0x00007FF950100000-memory.dmp

          Filesize

          64KB

        • memory/4828-122-0x00007FF9500F0000-0x00007FF950100000-memory.dmp

          Filesize

          64KB

        • memory/4828-123-0x00007FF9500F0000-0x00007FF950100000-memory.dmp

          Filesize

          64KB

        • memory/4828-132-0x00007FF94CC80000-0x00007FF94CC90000-memory.dmp

          Filesize

          64KB

        • memory/4828-133-0x00007FF94CC80000-0x00007FF94CC90000-memory.dmp

          Filesize

          64KB