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Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2023, 12:26

General

  • Target

    catalog-2048582418.xlsm

  • Size

    81KB

  • MD5

    b5f20259cc4d16c9608f7cc90e2df35b

  • SHA1

    c770a08241951d06e7c900f557cfaade4268c246

  • SHA256

    f5bfcf48c0cd34368b28b8ed027ef2c09d47133720f767633b2c1f8da3bb4b0e

  • SHA512

    3495abe20f881b5d201e1f3c56f0728d99cf645c7d2f3f799fe0d976caddd6fc38499ef1c9ed31a8fa1dfa2917d2d81ffe83098a375587bb83729d483ff31f98

  • SSDEEP

    1536:bhvD0tUn/dDuL7QQ64eyZJViW++poHndClu286aYbgBF+iyffn5:bVjwXQQteyZJAW++4dF286aYbgEfh

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://halle-auer20h.ru.com/lenta.html

xlm40.dropper

https://acienciaparaficarrico.com.br/drms/lenta.html

xlm40.dropper

https://deccanrestaurant.co.uk/drms/lenta.html

xlm40.dropper

https://steilppm.ac.id/drms/lenta.html

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 14 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\catalog-2048582418.xlsm"
    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:4916
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\xtjxjt.sdfg1,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1240
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\xtjxjt.sdfg2,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:3656
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\xtjxjt.sdfg3,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:5056
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\xtjxjt.sdfg4,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4916-0-0x00007FFF310D0000-0x00007FFF310E0000-memory.dmp

    Filesize

    64KB

  • memory/4916-1-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-2-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-4-0x00007FFF310D0000-0x00007FFF310E0000-memory.dmp

    Filesize

    64KB

  • memory/4916-3-0x00007FFF310D0000-0x00007FFF310E0000-memory.dmp

    Filesize

    64KB

  • memory/4916-5-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-7-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-6-0x00007FFF310D0000-0x00007FFF310E0000-memory.dmp

    Filesize

    64KB

  • memory/4916-8-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-9-0x00007FFF310D0000-0x00007FFF310E0000-memory.dmp

    Filesize

    64KB

  • memory/4916-10-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-11-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-12-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-13-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-14-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-16-0x00007FFF2EF10000-0x00007FFF2EF20000-memory.dmp

    Filesize

    64KB

  • memory/4916-17-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-15-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-18-0x00007FFF2EF10000-0x00007FFF2EF20000-memory.dmp

    Filesize

    64KB

  • memory/4916-29-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-30-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-31-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-44-0x00007FFF310D0000-0x00007FFF310E0000-memory.dmp

    Filesize

    64KB

  • memory/4916-45-0x00007FFF310D0000-0x00007FFF310E0000-memory.dmp

    Filesize

    64KB

  • memory/4916-46-0x00007FFF310D0000-0x00007FFF310E0000-memory.dmp

    Filesize

    64KB

  • memory/4916-47-0x00007FFF310D0000-0x00007FFF310E0000-memory.dmp

    Filesize

    64KB

  • memory/4916-48-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-50-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB

  • memory/4916-49-0x00007FFF71050000-0x00007FFF71245000-memory.dmp

    Filesize

    2.0MB