Analysis

  • max time kernel
    129s
  • max time network
    147s
  • 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, 10:21

General

  • Target

    3bbc1d4f80cb62fe5c33fe71f323d8cc50920ae75cbc05e18c3ce4d210c28f12.xls

  • Size

    91KB

  • MD5

    d7dc46b49b17c4e85bc566020abb8eb1

  • SHA1

    e9b98670ac9869042464227d08bc0226c521a5b2

  • SHA256

    3bbc1d4f80cb62fe5c33fe71f323d8cc50920ae75cbc05e18c3ce4d210c28f12

  • SHA512

    6041dda6302160f98651cbaecdcdaa665c1008098491a8c7108913faafc7757f9d46828933389e23507ef9d11d40876884f33abb51b303afbcb07bc6f9c9dd73

  • 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 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\3bbc1d4f80cb62fe5c33fe71f323d8cc50920ae75cbc05e18c3ce4d210c28f12.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3964
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4636
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4480
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3796
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3380

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3964-119-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

          Filesize

          64KB

        • memory/3964-116-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

          Filesize

          64KB

        • memory/3964-128-0x00007FFEE7DF0000-0x00007FFEE7E00000-memory.dmp

          Filesize

          64KB

        • memory/3964-129-0x00007FFEE7DF0000-0x00007FFEE7E00000-memory.dmp

          Filesize

          64KB

        • memory/3964-118-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

          Filesize

          64KB

        • memory/3964-117-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

          Filesize

          64KB

        • memory/3964-296-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

          Filesize

          64KB

        • memory/3964-297-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

          Filesize

          64KB

        • memory/3964-298-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

          Filesize

          64KB

        • memory/3964-299-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

          Filesize

          64KB