Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 22:58

General

  • Target

    b50eaa50357d4bda749c1b5e44d10346fc0db2732963379065cd6e0fbc71cb9b.xlsm

  • Size

    21KB

  • MD5

    a30b1573c6fd63a4c165a51f5666f4e4

  • SHA1

    999eaf748ee0f7cbcd79630358d71f2acaad07ed

  • SHA256

    b50eaa50357d4bda749c1b5e44d10346fc0db2732963379065cd6e0fbc71cb9b

  • SHA512

    849d51540ae2a32935af0261efcde3d0978e1558f8e7f6628f1b7f62b05d6927bf3fe432d4e70ab4fd8789aecc27799c428728e8eaeb506f11739e0aeb306f8a

  • SSDEEP

    384:z3uAi/NjIVRS8EibbwBlw75SYrLb5CzgObff9kC+xbX74eII:XsNs/zXtFCBn9kC+xbL42

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.almoeqatar.com/cgi-bin/3g/

xlm40.dropper

http://www.ayelet.info/wp-admin/oHRoG0X9ubuNtQ/

xlm40.dropper

http://www.lavameapp.com.ar/slide-images/7bzQevDGMld/

xlm40.dropper

http://lista33rivera.uy/wp-content/jiBtjSaJMcM/

xlm40.dropper

http://cenaf.com.co/error/TpewL/

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\b50eaa50357d4bda749c1b5e44d10346fc0db2732963379065cd6e0fbc71cb9b.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:4724
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D31DBED074BAD4577FBF87271B9770A5

    Filesize

    5B

    MD5

    5bfa51f3a417b98e7443eca90fc94703

    SHA1

    8c015d80b8a23f780bdd215dc842b0f5551f63bd

    SHA256

    bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

    SHA512

    4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

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

    Filesize

    1KB

    MD5

    4da509f18fbdfdd2440ae50837c9a5eb

    SHA1

    346045e427ad0db0de4cd504f0d7f5f0c90e10cb

    SHA256

    874b0cd1298cb65bb403e3157f4b276ff0a970cbaf3a7c3963800f968f2da775

    SHA512

    4e8f8b7452ba1dceddb07ac0a26e3b791a1f2714272f3b619a0398b15e4f765e5c200c15e0707fd0ffb2a55ecce500a1825fb6a04b588e49ee1f1215160208cf

  • C:\Users\Admin\rfs.dll

    Filesize

    3KB

    MD5

    8713dd892ec0930f713e13141920c5ad

    SHA1

    a3e081efb5b6c974622ac191f8412f8b4f995b6e

    SHA256

    cfd81c97ae0c2d0a50e698d7dd7b5f7aa323ce219c7c56ab49bbab85bab2d0fb

    SHA512

    1c76c7e9b5d4fd7f354f3c727ccbd5ee93c94cecb0654e7af757d5eb9992fa186cd03c4915cf1f8b5d1b3ab9461ddb01b51da3b0f7bea6411314ecd962306a4f

  • memory/4724-12-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-15-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-6-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-7-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-8-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/4724-10-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-9-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-11-0x00007FFA5D5A0000-0x00007FFA5D5B0000-memory.dmp

    Filesize

    64KB

  • memory/4724-4-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/4724-0-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/4724-13-0x00007FFA5D5A0000-0x00007FFA5D5B0000-memory.dmp

    Filesize

    64KB

  • memory/4724-5-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-16-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-18-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-17-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-14-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-3-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/4724-2-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/4724-50-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-51-0x00007FFA9FC8D000-0x00007FFA9FC8E000-memory.dmp

    Filesize

    4KB

  • memory/4724-52-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4724-1-0x00007FFA9FC8D000-0x00007FFA9FC8E000-memory.dmp

    Filesize

    4KB