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
    11-11-2024 17:51

General

  • Target

    1922fad1c4728b9a914955c6a554e2a5321f48cc6f7c431a914488105ea2e357.xls

  • Size

    55KB

  • MD5

    fdd47f400dd3db180febdc7da6df08c9

  • SHA1

    e8929cd44ac98687fa31939d2eb8c50c8502756c

  • SHA256

    1922fad1c4728b9a914955c6a554e2a5321f48cc6f7c431a914488105ea2e357

  • SHA512

    bbd24dd7c73029502456b95132a813880af131b312010a29b1bf1f69f5b7e2567959db9ed6d9c57874de0557aa500aab8fc2814bd32f56e39fc0ef27d296eb07

  • SSDEEP

    1536:ojKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgY5G9XSZAehUXepUNUDpt:+Kpb8rGYrMPe3q7Q0XV5xtezEsi8/dgI

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.clintmorey.com/wp-content/QSzbH8Ikl8E/

xlm40.dropper

https://ciberfallas.com/wp-admin/4sU1dATy/

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\1922fad1c4728b9a914955c6a554e2a5321f48cc6f7c431a914488105ea2e357.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:4740
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\csei.dll
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:3532

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

    1KB

    MD5

    dbb7472adfe7ba1cfcd5eda20bbd8226

    SHA1

    337272431d5a87e0d86d05b97e29ee473b3b307f

    SHA256

    0cc82d2fa72433ef85155be87d4256af1bef0d37a6bcb395d824f3998abc4707

    SHA512

    424d1633524d58f8bbe866ebfe3296ce97e1cecc315386ca1ebd13f79c495865fa20e140dd8ebcd617928dc281c7675df2d01b2ef8a601d5a4377fbb07d7e7da

  • C:\Users\Admin\csei.dll

    Filesize

    2KB

    MD5

    8243a2376f1992b552967bd53634137a

    SHA1

    22710e1072693cb53f636cbfa42080cd328b4c6e

    SHA256

    35d8022e3685540c13d09b6a39cd34d105570a106aee8ad10e67a4d1ffe62571

    SHA512

    e0c41b141d6623f9f2713f6692b807e2a29ff347cf78efac8c5ee4c250747ed7e1af29363485b53713fbeb1315c37d34a5ac0d7bdcab79a952d5fc48cf267e5b

  • memory/4740-15-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-5-0x00007FFC50FD0000-0x00007FFC50FE0000-memory.dmp

    Filesize

    64KB

  • memory/4740-18-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-17-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-9-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-12-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-11-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-10-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-13-0x00007FFC4EF70000-0x00007FFC4EF80000-memory.dmp

    Filesize

    64KB

  • memory/4740-8-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-14-0x00007FFC4EF70000-0x00007FFC4EF80000-memory.dmp

    Filesize

    64KB

  • memory/4740-16-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-2-0x00007FFC50FD0000-0x00007FFC50FE0000-memory.dmp

    Filesize

    64KB

  • memory/4740-4-0x00007FFC50FD0000-0x00007FFC50FE0000-memory.dmp

    Filesize

    64KB

  • memory/4740-3-0x00007FFC50FD0000-0x00007FFC50FE0000-memory.dmp

    Filesize

    64KB

  • memory/4740-7-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-6-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-20-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-21-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-19-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-1-0x00007FFC90FED000-0x00007FFC90FEE000-memory.dmp

    Filesize

    4KB

  • memory/4740-34-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-35-0x00007FFC90FED000-0x00007FFC90FEE000-memory.dmp

    Filesize

    4KB

  • memory/4740-36-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-40-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

    Filesize

    2.0MB

  • memory/4740-0-0x00007FFC50FD0000-0x00007FFC50FE0000-memory.dmp

    Filesize

    64KB