Analysis

  • max time kernel
    133s
  • max time network
    144s
  • 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, 10:06

General

  • Target

    9e7eaf569c8f3dbe07baae8cb1e136e70adf653f70c4dd07f21de95be8ec33bc.xls

  • Size

    91KB

  • MD5

    d405a8cacb7f8fd3f84b710ce2c786ec

  • SHA1

    87bbae07712e78232843875fab976e8dfa2c3e57

  • SHA256

    9e7eaf569c8f3dbe07baae8cb1e136e70adf653f70c4dd07f21de95be8ec33bc

  • SHA512

    8d1b33f7d2f291a96623579f76fa9f21086338bdb48e9a02146192e03cbadc2683943a46626b315373e683edf2729f7109a2293f2536bd685985c1168420fa83

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgEbCXuZH4gb4CEn9J4Z8EM:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgV

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.muyehuayi.com/cmp/8asA99KPsyA/v6lUsWbLen/

xlm40.dropper

http://concivilpa.com.py/wp-admin/i3CQu9dzDrMW/

xlm40.dropper

https://wijsneusmedia.nl/cgi-bin/kFB/

xlm40.dropper

http://www.angloextrema.com.br/assets/oEt1yYckHKlnNIq/

Signatures

  • Process spawned unexpected child process 4 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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 8 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\9e7eaf569c8f3dbe07baae8cb1e136e70adf653f70c4dd07f21de95be8ec33bc.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:2304
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1312
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3288
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:376
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:2412

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

    2KB

    MD5

    72a58fecb4e3255220e3b1aa6832513d

    SHA1

    4fe8854ccdc2264a3ea3e09d16a9db71006b4d11

    SHA256

    7f4b0928833ee75d0717233db6af490127fec0b037e956214ce70bb3d72ea344

    SHA512

    3bbc44dad8ac6d4be4ae65481d5293f1f2c3bf83dd472d3b01c6f6a5a711648a43c7af14228584486e7fe80c38f1e3c9427fd7529c261a869ab89a7f6d33e891

  • memory/2304-5-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-37-0x00007FFAA83AD000-0x00007FFAA83AE000-memory.dmp

    Filesize

    4KB

  • memory/2304-4-0x00007FFA68390000-0x00007FFA683A0000-memory.dmp

    Filesize

    64KB

  • memory/2304-7-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-9-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-11-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-12-0x00007FFA65D50000-0x00007FFA65D60000-memory.dmp

    Filesize

    64KB

  • memory/2304-10-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-8-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-13-0x00007FFA65D50000-0x00007FFA65D60000-memory.dmp

    Filesize

    64KB

  • memory/2304-6-0x00007FFA68390000-0x00007FFA683A0000-memory.dmp

    Filesize

    64KB

  • memory/2304-0-0x00007FFAA83AD000-0x00007FFAA83AE000-memory.dmp

    Filesize

    4KB

  • memory/2304-3-0x00007FFA68390000-0x00007FFA683A0000-memory.dmp

    Filesize

    64KB

  • memory/2304-17-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-2-0x00007FFA68390000-0x00007FFA683A0000-memory.dmp

    Filesize

    64KB

  • memory/2304-19-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-21-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-20-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-18-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-16-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-14-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-15-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-38-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-39-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

    Filesize

    2.0MB

  • memory/2304-1-0x00007FFA68390000-0x00007FFA683A0000-memory.dmp

    Filesize

    64KB