Analysis

  • max time kernel
    133s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2024 17:42

General

  • Target

    52ac038b3db944e054bc36569fedad842272dd1d65f179b2132fd25cbc94b882.xls

  • Size

    101KB

  • MD5

    0a4659e6520f9b5c15553aa638148c43

  • SHA1

    693c22884d89ab12902fc1fda0960aee918746ce

  • SHA256

    52ac038b3db944e054bc36569fedad842272dd1d65f179b2132fd25cbc94b882

  • SHA512

    ea1b173be16d8fff83a6550e0fd2858430b4a6b8526021fab0e855993b54e4d57afd4668740743db9d95f847d1b498bb4d0335fdf14b1147aa4c4306b1462677

  • SSDEEP

    3072:+Kpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+MbOBzbq0f6RlD9fxW8s8OQ:+Kpb8rGYrMPe3q7Q0XV5xtuE8vG8UM+k

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\52ac038b3db944e054bc36569fedad842272dd1d65f179b2132fd25cbc94b882.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:964
    • 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:3408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\txdn.dll

    Filesize

    36KB

    MD5

    3b79e62476916ff33ddc0668a0898e6d

    SHA1

    fe4f73a8019a0407cec5e2eb0c344adc4ab73bae

    SHA256

    418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81

    SHA512

    3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

  • memory/964-13-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

    Filesize

    2.0MB

  • memory/964-16-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

    Filesize

    2.0MB

  • memory/964-1-0x00007FFB3AA30000-0x00007FFB3AA40000-memory.dmp

    Filesize

    64KB

  • memory/964-0-0x00007FFB3AA30000-0x00007FFB3AA40000-memory.dmp

    Filesize

    64KB

  • memory/964-6-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

    Filesize

    2.0MB

  • memory/964-5-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

    Filesize

    2.0MB

  • memory/964-7-0x00007FFB3AA30000-0x00007FFB3AA40000-memory.dmp

    Filesize

    64KB

  • memory/964-12-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

    Filesize

    2.0MB

  • memory/964-42-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

    Filesize

    2.0MB

  • memory/964-4-0x00007FFB3AA30000-0x00007FFB3AA40000-memory.dmp

    Filesize

    64KB

  • memory/964-9-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

    Filesize

    2.0MB

  • memory/964-14-0x00007FFB38950000-0x00007FFB38960000-memory.dmp

    Filesize

    64KB

  • memory/964-10-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

    Filesize

    2.0MB

  • memory/964-8-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

    Filesize

    2.0MB

  • memory/964-15-0x00007FFB38950000-0x00007FFB38960000-memory.dmp

    Filesize

    64KB

  • memory/964-17-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

    Filesize

    2.0MB

  • memory/964-18-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

    Filesize

    2.0MB

  • memory/964-2-0x00007FFB3AA30000-0x00007FFB3AA40000-memory.dmp

    Filesize

    64KB

  • memory/964-3-0x00007FFB7AA4D000-0x00007FFB7AA4E000-memory.dmp

    Filesize

    4KB

  • memory/964-11-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

    Filesize

    2.0MB