Analysis

  • max time kernel
    133s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 00:20

General

  • Target

    bd5a9253a60ebad745aae1e8435f003fc257cb6e0b480fe58d3a29dfb3864731.xlsm

  • Size

    38KB

  • MD5

    6f2ecd6088024b3240b3d0e2635d7f7a

  • SHA1

    88025bb96e4a4120f06d6413b11473e566553dbd

  • SHA256

    bd5a9253a60ebad745aae1e8435f003fc257cb6e0b480fe58d3a29dfb3864731

  • SHA512

    833a953285fc287d2a3b224edbf33707866f3985f207f2436ecf6363076bfd6d6a11fe690f3f81b498def309820f0b836e383e331f8d3095a137c04cb886037f

  • SSDEEP

    768:mdUCR8xZ5jOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIy5:u5wXOZZ1ZYpoQ/pMAeVIyMId

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://ausnz.net/2010wc/RhAYVPNypjphNNk6J/

xlm40.dropper

https://belisip.net/libs/Swift-5.1.0/F5XU7EuPePQ/

xlm40.dropper

https://blog.centerking.top/wp-includes/WEIuPafz0bS/

xlm40.dropper

https://edu-media.cn/wp-admin/TOu/

xlm40.dropper

https://ppiabanyuwangi.or.id/lulu-1937/daURDNUyso/

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 3 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\bd5a9253a60ebad745aae1e8435f003fc257cb6e0b480fe58d3a29dfb3864731.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:4524
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:4000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\4C2ECAC2A38B0FA642F6D8FBD8353762

    Filesize

    5B

    MD5

    5bfa51f3a417b98e7443eca90fc94703

    SHA1

    8c015d80b8a23f780bdd215dc842b0f5551f63bd

    SHA256

    bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

    SHA512

    4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

    Filesize

    2KB

    MD5

    a6f65199e8747057d92f2fef8377a8d6

    SHA1

    4653aa7fcc9e1f0c7132f7b57b1a1d81cde1c487

    SHA256

    f19de4bc146cc067e7327ab056856b40edb0912204721fdd6dfc7578edc8e4b6

    SHA512

    3c55200c2b52c738b7703576c022b3c418652a8967f55389ae94edd65f2e4088fbfb3ba2254da0a465b9f5034699ec39dac901e228c677234ca0f3ea8e9cb199

  • C:\Users\Admin\wnru.ocx

    Filesize

    1KB

    MD5

    1326c16a18441423830933fbb3a6a290

    SHA1

    d62b5f0ec9ae7a82209938c347311519b9fc1084

    SHA256

    3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

    SHA512

    2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

  • memory/4524-9-0x00007FFF64150000-0x00007FFF64345000-memory.dmp

    Filesize

    2.0MB

  • memory/4524-8-0x00007FFF64150000-0x00007FFF64345000-memory.dmp

    Filesize

    2.0MB

  • memory/4524-1-0x00007FFF241D0000-0x00007FFF241E0000-memory.dmp

    Filesize

    64KB

  • memory/4524-11-0x00007FFF64150000-0x00007FFF64345000-memory.dmp

    Filesize

    2.0MB

  • memory/4524-10-0x00007FFF64150000-0x00007FFF64345000-memory.dmp

    Filesize

    2.0MB

  • memory/4524-0-0x00007FFF241D0000-0x00007FFF241E0000-memory.dmp

    Filesize

    64KB

  • memory/4524-12-0x00007FFF64150000-0x00007FFF64345000-memory.dmp

    Filesize

    2.0MB

  • memory/4524-4-0x00007FFF241D0000-0x00007FFF241E0000-memory.dmp

    Filesize

    64KB

  • memory/4524-13-0x00007FFF21870000-0x00007FFF21880000-memory.dmp

    Filesize

    64KB

  • memory/4524-7-0x00007FFF64150000-0x00007FFF64345000-memory.dmp

    Filesize

    2.0MB

  • memory/4524-6-0x00007FFF64150000-0x00007FFF64345000-memory.dmp

    Filesize

    2.0MB

  • memory/4524-15-0x00007FFF21870000-0x00007FFF21880000-memory.dmp

    Filesize

    64KB

  • memory/4524-5-0x00007FFF241D0000-0x00007FFF241E0000-memory.dmp

    Filesize

    64KB

  • memory/4524-38-0x00007FFF64150000-0x00007FFF64345000-memory.dmp

    Filesize

    2.0MB

  • memory/4524-3-0x00007FFF641ED000-0x00007FFF641EE000-memory.dmp

    Filesize

    4KB

  • memory/4524-2-0x00007FFF241D0000-0x00007FFF241E0000-memory.dmp

    Filesize

    64KB