Analysis

  • max time kernel
    127s
  • max time network
    130s
  • 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, 10:28

General

  • Target

    cc78c46b81437376f3e14dba3992aebdf5c58d389a65b4a0749fdce3f4226369.xls

  • Size

    91KB

  • MD5

    2338eb170be0818bbf66b9e15ebb2890

  • SHA1

    8192c4167fc421300310d19a670c47ad0fa10097

  • SHA256

    cc78c46b81437376f3e14dba3992aebdf5c58d389a65b4a0749fdce3f4226369

  • SHA512

    352a6ae972667919cc46e3ef759076e56b2038bfa9a374cbdc95c0e87dd6cb02c31a96a374dc7e4812b31246b4fb2786d38669c90872fcfde97ada8d400dde56

  • 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\cc78c46b81437376f3e14dba3992aebdf5c58d389a65b4a0749fdce3f4226369.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:4912
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3464
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:5028
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4292
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3144

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4912-118-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

          Filesize

          64KB

        • memory/4912-119-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

          Filesize

          64KB

        • memory/4912-128-0x00007FF83D6F0000-0x00007FF83D700000-memory.dmp

          Filesize

          64KB

        • memory/4912-129-0x00007FF83D6F0000-0x00007FF83D700000-memory.dmp

          Filesize

          64KB

        • memory/4912-116-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

          Filesize

          64KB

        • memory/4912-117-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

          Filesize

          64KB

        • memory/4912-294-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

          Filesize

          64KB

        • memory/4912-295-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

          Filesize

          64KB

        • memory/4912-296-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

          Filesize

          64KB

        • memory/4912-297-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

          Filesize

          64KB