Analysis

  • max time kernel
    148s
  • max time network
    147s
  • 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, 10:51

General

  • Target

    36124b7e8b92ecf89c6741dd82350976bebd06c548c43f52040101659ff4adbd.xls

  • Size

    91KB

  • MD5

    f17da7b9a3cf0973b160c7f545c26664

  • SHA1

    5c3f320c1dc8b09c16967a7a161744c9fb93de08

  • SHA256

    36124b7e8b92ecf89c6741dd82350976bebd06c548c43f52040101659ff4adbd

  • SHA512

    ec1ce187845ab293b4c2be13f1c7d21674c4461adf4243e5fae8e18f33a4e1780235dd99ec6848bc074c62676bc1380c86e01a6fe416bb23e896147b08f0ff20

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/is9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgm

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\36124b7e8b92ecf89c6741dd82350976bebd06c548c43f52040101659ff4adbd.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:4828
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4964
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4692
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4908
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4464

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