Analysis

  • max time kernel
    148s
  • max time network
    152s
  • 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, 03:11

General

  • Target

    a49942e518387faceb99632677a143a9f41560e7c7b0d9fa123d50c847f3a4b8.xlsm

  • Size

    21KB

  • MD5

    d907cfbf3b89ac073be4887bac09f8cf

  • SHA1

    07af8e462bf81111ee0a8b3acd09fd35ed19d558

  • SHA256

    a49942e518387faceb99632677a143a9f41560e7c7b0d9fa123d50c847f3a4b8

  • SHA512

    2605b399084dc25c6291140e6d4c3a3f6edba0d488955c1a59165fc83699744f01982dfe39cd5d0de38aa2cf1c462e60413416258403a5f69e06a16b9a68e393

  • SSDEEP

    384:D3uAi/NjIVRS8EibbwBlw75SYrLb5CzgObff9kC+xbX74eII:nsNs/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\a49942e518387faceb99632677a143a9f41560e7c7b0d9fa123d50c847f3a4b8.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:3096
    • 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:1512

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

    2KB

    MD5

    ba413755f921f1a7fddbc95191d9762d

    SHA1

    3e52c50caba7bab1e29027ea49d15be589ea316a

    SHA256

    b54b02e36a686da3a2c845ca1f38c7d603e48b97ab4ba36ff1f2f0295e81e88f

    SHA512

    202eb3698886fd2bc684dcf6e91f7398f7afd57202d7d90268552f28e63b9a80c35e4c70ac3b03905785cdf72df1fe10579a5f55fb6e80e7d266d4e2c7d100e8

  • C:\Users\Admin\rfs.dll

    Filesize

    3KB

    MD5

    8713dd892ec0930f713e13141920c5ad

    SHA1

    a3e081efb5b6c974622ac191f8412f8b4f995b6e

    SHA256

    cfd81c97ae0c2d0a50e698d7dd7b5f7aa323ce219c7c56ab49bbab85bab2d0fb

    SHA512

    1c76c7e9b5d4fd7f354f3c727ccbd5ee93c94cecb0654e7af757d5eb9992fa186cd03c4915cf1f8b5d1b3ab9461ddb01b51da3b0f7bea6411314ecd962306a4f

  • memory/3096-13-0x00007FF89A110000-0x00007FF89A120000-memory.dmp

    Filesize

    64KB

  • memory/3096-14-0x00007FF89A110000-0x00007FF89A120000-memory.dmp

    Filesize

    64KB

  • memory/3096-5-0x00007FF89CA70000-0x00007FF89CA80000-memory.dmp

    Filesize

    64KB

  • memory/3096-6-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-7-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-8-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-10-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-9-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-12-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-1-0x00007FF89CA70000-0x00007FF89CA80000-memory.dmp

    Filesize

    64KB

  • memory/3096-11-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-2-0x00007FF89CA70000-0x00007FF89CA80000-memory.dmp

    Filesize

    64KB

  • memory/3096-16-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-18-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-17-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-15-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-4-0x00007FF89CA70000-0x00007FF89CA80000-memory.dmp

    Filesize

    64KB

  • memory/3096-3-0x00007FF89CA70000-0x00007FF89CA80000-memory.dmp

    Filesize

    64KB

  • memory/3096-48-0x00007FF8DCA8D000-0x00007FF8DCA8E000-memory.dmp

    Filesize

    4KB

  • memory/3096-49-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-50-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-54-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-55-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-0-0x00007FF8DCA8D000-0x00007FF8DCA8E000-memory.dmp

    Filesize

    4KB