Resubmissions

04-08-2023 06:22

230804-g48hhahh26 10

04-08-2023 06:18

230804-g2mg9ahg94 10

Analysis

  • max time kernel
    109s
  • max time network
    118s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04-08-2023 06:22

General

  • Target

    11f44531fb088d31307d87b01e8eabff/research-1646684671.xls

  • Size

    648KB

  • MD5

    b775cd8be83696ca37b2fe00bcb40574

  • SHA1

    60c8a9fdf2b24f8fb4913d4745a8557df5ff8e07

  • SHA256

    1df68d55968bb9d2db4d0d18155188a03a442850ff543c8595166ac6987df820

  • SHA512

    5ad4da8582bec3cc545e322cad2e356f59c4bfa5fe4ca90c0e781dd0e63a7aefbcc27b4045583232e4fdccffbc2bceb832b8d8e9ec3c070cf4b6559ca3c99a72

  • SSDEEP

    6144:Hknl9oBdySAx76F6XeyTVtW/9Ny9ABnl5/PBgxOHjuM9Mn:jl5/WxIji

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://nws.visionconsulting.ro/N1G1KCXA/dot.html

xlm40.dropper

https://royalpalm.sparkblue.lk/vCNhYrq3Yg8/dot.html

Signatures

  • Process spawned unexpected child process 2 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 4 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\11f44531fb088d31307d87b01e8eabff\research-1646684671.xls"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:972
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32 -s ..\iroto.dll
      2⤵
      • Process spawned unexpected child process
      PID:2656
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32 -s ..\iroto1.dll
      2⤵
      • Process spawned unexpected child process
      PID:4288

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/972-122-0x00007FFED03A0000-0x00007FFED03B0000-memory.dmp

    Filesize

    64KB

  • memory/972-123-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-125-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-124-0x00007FFED03A0000-0x00007FFED03B0000-memory.dmp

    Filesize

    64KB

  • memory/972-126-0x00007FFED03A0000-0x00007FFED03B0000-memory.dmp

    Filesize

    64KB

  • memory/972-127-0x00007FFED03A0000-0x00007FFED03B0000-memory.dmp

    Filesize

    64KB

  • memory/972-128-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-131-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-132-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-133-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-134-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-135-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-136-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-137-0x00007FFECD7E0000-0x00007FFECD7F0000-memory.dmp

    Filesize

    64KB

  • memory/972-138-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-139-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-140-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-141-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-142-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-143-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-145-0x00007FFF0EE00000-0x00007FFF0EEAE000-memory.dmp

    Filesize

    696KB

  • memory/972-147-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-146-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-148-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-144-0x00007FFECD7E0000-0x00007FFECD7F0000-memory.dmp

    Filesize

    64KB

  • memory/972-149-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-150-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-151-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-152-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-321-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-327-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB

  • memory/972-328-0x00007FFF0EE00000-0x00007FFF0EEAE000-memory.dmp

    Filesize

    696KB

  • memory/972-333-0x00007FFF10310000-0x00007FFF104EB000-memory.dmp

    Filesize

    1.9MB