Analysis

  • max time kernel
    133s
  • max time network
    151s
  • 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, 04:59

General

  • Target

    86430163339bdbfdff4aaaa9004b56f4e8639874b414e14b87f0abd564991fe6.xlsm

  • Size

    21KB

  • MD5

    230981b6ec48198a46b1c7e4e75713ff

  • SHA1

    ef070c88e8fde1fb57f84b59994248a734c0595b

  • SHA256

    86430163339bdbfdff4aaaa9004b56f4e8639874b414e14b87f0abd564991fe6

  • SHA512

    3c9f88859c4e264cf077129677f405f184c896b914f4292c05a9314db83b1c716a47b4c573a5f6bd5c1ddb333dc685830fc1e14c17ee4b8ed8d656366ab6a789

  • SSDEEP

    384:33uAi/NjIVRS8EibbwBlw75SYrLb5CzgObff9kC+xbX74eII:LsNs/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\86430163339bdbfdff4aaaa9004b56f4e8639874b414e14b87f0abd564991fe6.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:4564
    • 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:5028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    676B

    MD5

    f7c6cb45e703ae3586e5a71a14b41810

    SHA1

    d058a8653b56780dc74bc4e9d56eff790f8303b8

    SHA256

    f21d1ee82b368ef90fcbbc3dbeaa2cddbec001e087594eac8fa4f9afa84bab2b

    SHA512

    0d6da9286e02ca80666ab9bd15dd721495100867eff10681387ed7eb7243f082960856ad2f9310641d49f762252cfe2f25620a4e3f13b48c8776f817c41f8fe8

  • C:\Users\Admin\rfs.dll

    Filesize

    3KB

    MD5

    8713dd892ec0930f713e13141920c5ad

    SHA1

    a3e081efb5b6c974622ac191f8412f8b4f995b6e

    SHA256

    cfd81c97ae0c2d0a50e698d7dd7b5f7aa323ce219c7c56ab49bbab85bab2d0fb

    SHA512

    1c76c7e9b5d4fd7f354f3c727ccbd5ee93c94cecb0654e7af757d5eb9992fa186cd03c4915cf1f8b5d1b3ab9461ddb01b51da3b0f7bea6411314ecd962306a4f

  • memory/4564-14-0x00007FF84FBB0000-0x00007FF84FBC0000-memory.dmp

    Filesize

    64KB

  • memory/4564-8-0x00007FF891F70000-0x00007FF892165000-memory.dmp

    Filesize

    2.0MB

  • memory/4564-7-0x00007FF851FF0000-0x00007FF852000000-memory.dmp

    Filesize

    64KB

  • memory/4564-10-0x00007FF891F70000-0x00007FF892165000-memory.dmp

    Filesize

    2.0MB

  • memory/4564-12-0x00007FF891F70000-0x00007FF892165000-memory.dmp

    Filesize

    2.0MB

  • memory/4564-13-0x00007FF891F70000-0x00007FF892165000-memory.dmp

    Filesize

    2.0MB

  • memory/4564-11-0x00007FF891F70000-0x00007FF892165000-memory.dmp

    Filesize

    2.0MB

  • memory/4564-0-0x00007FF89200D000-0x00007FF89200E000-memory.dmp

    Filesize

    4KB

  • memory/4564-9-0x00007FF891F70000-0x00007FF892165000-memory.dmp

    Filesize

    2.0MB

  • memory/4564-6-0x00007FF891F70000-0x00007FF892165000-memory.dmp

    Filesize

    2.0MB

  • memory/4564-15-0x00007FF84FBB0000-0x00007FF84FBC0000-memory.dmp

    Filesize

    64KB

  • memory/4564-5-0x00007FF891F70000-0x00007FF892165000-memory.dmp

    Filesize

    2.0MB

  • memory/4564-4-0x00007FF851FF0000-0x00007FF852000000-memory.dmp

    Filesize

    64KB

  • memory/4564-28-0x00007FF89200D000-0x00007FF89200E000-memory.dmp

    Filesize

    4KB

  • memory/4564-29-0x00007FF891F70000-0x00007FF892165000-memory.dmp

    Filesize

    2.0MB

  • memory/4564-2-0x00007FF851FF0000-0x00007FF852000000-memory.dmp

    Filesize

    64KB

  • memory/4564-42-0x00007FF891F70000-0x00007FF892165000-memory.dmp

    Filesize

    2.0MB

  • memory/4564-47-0x00007FF891F70000-0x00007FF892165000-memory.dmp

    Filesize

    2.0MB

  • memory/4564-3-0x00007FF851FF0000-0x00007FF852000000-memory.dmp

    Filesize

    64KB

  • memory/4564-1-0x00007FF851FF0000-0x00007FF852000000-memory.dmp

    Filesize

    64KB