Analysis

  • max time kernel
    133s
  • max time network
    149s
  • 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 22:57

General

  • Target

    374f364d444f1be80ef14826d16c8850bb4f4aa87f1a329bed932f4ae5432618.xls

  • Size

    101KB

  • MD5

    4704b2d76974e75799b325aec09ac2c1

  • SHA1

    234d7550b75af09d8481b0cd5453755313f5c7b7

  • SHA256

    374f364d444f1be80ef14826d16c8850bb4f4aa87f1a329bed932f4ae5432618

  • SHA512

    feb072c0e5f21994dd9f9dd5d793793ab39423484b72aa684cc2edae39ef49fcb0adb1d4ea5a3edd0d9166ceddcf8e773907d488e079c94599fe416f0c413480

  • SSDEEP

    3072:+Kpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+MbOBzbq0f6RlD9fxW8s8OA:+Kpb8rGYrMPe3q7Q0XV5xtuE8vG8UM+U

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://dlfreight.com/wp-includes/zLuZdtVkoriGTaRE/

xlm40.dropper

http://hadramout21.com/jetpack-temp/KjOqTnCwBbVrz8w/

xlm40.dropper

http://groupesther.com/wp-admin/2hhcMwfOG0aRi1t/

xlm40.dropper

http://datainline.com/aspnet_client/56LwAJvy/

xlm40.dropper

http://greycoconut.com/edm/0ywf2bF/

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\374f364d444f1be80ef14826d16c8850bb4f4aa87f1a329bed932f4ae5432618.xls"
    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:5072
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\txdn.dll
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:2428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    3KB

    MD5

    d1614b90ebd1ce47897b348677c2641d

    SHA1

    8b01576224053d3de8035a6c605c0457b109b487

    SHA256

    d2ce62855c4606683e121430323511837ee8422272249b89b0ba73e7278924f1

    SHA512

    9033da807ed1d13e53d4a5fe5364ab657ee8a20d814aa5ad3ff567acfcf0f72e4df5e3126adc49ccca38150e728c0b5e9df31f846b0d41c550d6e15a71a4af38

  • C:\Users\Admin\txdn.dll

    Filesize

    36KB

    MD5

    3b79e62476916ff33ddc0668a0898e6d

    SHA1

    fe4f73a8019a0407cec5e2eb0c344adc4ab73bae

    SHA256

    418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81

    SHA512

    3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

  • memory/5072-14-0x00007FFE8F440000-0x00007FFE8F450000-memory.dmp

    Filesize

    64KB

  • memory/5072-4-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-16-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-15-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-7-0x00007FFE91D70000-0x00007FFE91D80000-memory.dmp

    Filesize

    64KB

  • memory/5072-6-0x00007FFE91D70000-0x00007FFE91D80000-memory.dmp

    Filesize

    64KB

  • memory/5072-9-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-8-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-12-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-13-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-11-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-10-0x00007FFE8F440000-0x00007FFE8F450000-memory.dmp

    Filesize

    64KB

  • memory/5072-3-0x00007FFE91D70000-0x00007FFE91D80000-memory.dmp

    Filesize

    64KB

  • memory/5072-1-0x00007FFE91D70000-0x00007FFE91D80000-memory.dmp

    Filesize

    64KB

  • memory/5072-5-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-18-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-21-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-20-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-19-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-17-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-38-0x00007FFED1D8D000-0x00007FFED1D8E000-memory.dmp

    Filesize

    4KB

  • memory/5072-39-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-40-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-41-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-0-0x00007FFED1D8D000-0x00007FFED1D8E000-memory.dmp

    Filesize

    4KB

  • memory/5072-2-0x00007FFE91D70000-0x00007FFE91D80000-memory.dmp

    Filesize

    64KB