Analysis

  • max time kernel
    145s
  • max time network
    139s
  • 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, 15:27

General

  • Target

    cae176e88f2d6f60a2a2b0c09d8793e95cb6da51f08cd914e7de900b1ca554e4.xls

  • Size

    56KB

  • MD5

    9f51a6bba49344b0516d50ca3c57da11

  • SHA1

    4f92141835a36d94a9f3aa4e0d28b1376e008f5e

  • SHA256

    cae176e88f2d6f60a2a2b0c09d8793e95cb6da51f08cd914e7de900b1ca554e4

  • SHA512

    a37412e0e1ba5d3a3af9f01664b28e1e5216ae11ba76b94784fa4f7dbc67f4ccc3b9b6aaafc2daf1942e23fa1f9656ca7a1ab456bf7fac1b374ce3521824f259

  • SSDEEP

    1536:VsKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg/5G9XSZ4umv/:aKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgs

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://church.ktc-center.net/PbSkdCOW/

xlm40.dropper

https://chobemaster.com/components/gus/

xlm40.dropper

https://christianchapman.com/cgi-bin/gADHL9UXSFUTN/

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\cae176e88f2d6f60a2a2b0c09d8793e95cb6da51f08cd914e7de900b1ca554e4.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:4260
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\adw.dll
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:4556

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

    4c0c6e4021a14c4626069efb90a2d7ac

    SHA1

    3928c73278a504d2df7f4e005612c4a35a7b3683

    SHA256

    2af1e512721c3831c9a5eddebdfc99e6c052f6f0113705fe0e5e21650e9fe1df

    SHA512

    f56eb8f3a3080fcf72840f475971c1203492651784efabc5f8e07b7ea5b4599c3eb52fb1f315f399ebb28699372e5440f212c09566b1024be455292a095ee6b4

  • C:\Users\Admin\adw.dll

    Filesize

    82B

    MD5

    98f4a2fc2ed62a2d58dfd8665525bdf6

    SHA1

    6263986a53868c51cea22db308470af551bb2075

    SHA256

    3c1a63b59c237d3bb143e42eb9d309be15312ff604c51bc8ab1fdd1c4b3e08fe

    SHA512

    1ac507d20459ea5a4fb58c6be36fcc0dfc7c1e117a99bae97c52b5498dfbc7bfdb8cf20840fd202db59dbb711e815c3f3f90efb43fec296f0260ee89bce35455

  • memory/4260-13-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-14-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-0-0x00007FFCA3E90000-0x00007FFCA3EA0000-memory.dmp

    Filesize

    64KB

  • memory/4260-5-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-6-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-7-0x00007FFCA3E90000-0x00007FFCA3EA0000-memory.dmp

    Filesize

    64KB

  • memory/4260-11-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-10-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-9-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-12-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-1-0x00007FFCA3E90000-0x00007FFCA3EA0000-memory.dmp

    Filesize

    64KB

  • memory/4260-2-0x00007FFCA3E90000-0x00007FFCA3EA0000-memory.dmp

    Filesize

    64KB

  • memory/4260-8-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-15-0x00007FFCA1E30000-0x00007FFCA1E40000-memory.dmp

    Filesize

    64KB

  • memory/4260-16-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-17-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-19-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-20-0x00007FFCA1E30000-0x00007FFCA1E40000-memory.dmp

    Filesize

    64KB

  • memory/4260-18-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-32-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

    Filesize

    2.0MB

  • memory/4260-3-0x00007FFCE3EAD000-0x00007FFCE3EAE000-memory.dmp

    Filesize

    4KB

  • memory/4260-4-0x00007FFCA3E90000-0x00007FFCA3EA0000-memory.dmp

    Filesize

    64KB