Analysis

  • max time kernel
    134s
  • max time network
    152s
  • 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, 10:53

General

  • Target

    d516a593ae3def9aa4752da1133b8609b99573a207829611c882944bc895066f.xls

  • Size

    91KB

  • MD5

    bfe7444d98f04bd27e91a89f434f4ef8

  • SHA1

    d47b62e3fcc12c0def120d42ba4ad3334dce9b08

  • SHA256

    d516a593ae3def9aa4752da1133b8609b99573a207829611c882944bc895066f

  • SHA512

    91616f20c9e2b6366a65a21723b695670ac00c7b312986c827ec9db1d8633148e01d928babfe8bc4a072e421b8a3e4c9ed5076d7ca89b6628fb5578ac25aaf17

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO

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\d516a593ae3def9aa4752da1133b8609b99573a207829611c882944bc895066f.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:4324
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4564
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3676
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:2660
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4932

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4324-296-0x00007FFCDF550000-0x00007FFCDF560000-memory.dmp

          Filesize

          64KB

        • memory/4324-117-0x00007FFCDF550000-0x00007FFCDF560000-memory.dmp

          Filesize

          64KB

        • memory/4324-118-0x00007FFCDF550000-0x00007FFCDF560000-memory.dmp

          Filesize

          64KB

        • memory/4324-119-0x00007FFCDF550000-0x00007FFCDF560000-memory.dmp

          Filesize

          64KB

        • memory/4324-128-0x00007FFCDB9E0000-0x00007FFCDB9F0000-memory.dmp

          Filesize

          64KB

        • memory/4324-129-0x00007FFCDB9E0000-0x00007FFCDB9F0000-memory.dmp

          Filesize

          64KB

        • memory/4324-116-0x00007FFCDF550000-0x00007FFCDF560000-memory.dmp

          Filesize

          64KB

        • memory/4324-297-0x00007FFCDF550000-0x00007FFCDF560000-memory.dmp

          Filesize

          64KB

        • memory/4324-294-0x00007FFCDF550000-0x00007FFCDF560000-memory.dmp

          Filesize

          64KB

        • memory/4324-295-0x00007FFCDF550000-0x00007FFCDF560000-memory.dmp

          Filesize

          64KB