Analysis

  • max time kernel
    158s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/10/2023, 19:43

General

  • Target
    NEAS.582caefe13bda3894d0ebbf6fa396ca0_JC.exe
  • Size 72KB
  • Sample231026-ye8kmsfb81
  • SHA256 5de08d92f9bec7c08bf0ea54746c1588c656b2d071fb9fd3a54c0527e2b130b8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • sakula

C2
  • http://www.we11point.com:443/view.asp?cookie=%s&type=%d&vid=%d

  • http://www.we11point.com:443/photo/%s.jpg?vid=%d

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.582caefe13bda3894d0ebbf6fa396ca0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.582caefe13bda3894d0ebbf6fa396ca0_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1364
      • C:\Windows\SysWOW64\reg.exe
        reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:5072
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2568
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\NEAS.582caefe13bda3894d0ebbf6fa396ca0_JC.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4460
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3872

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        MediaCenter.exe

        • Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        • Size 72KB
        • SHA256 4420160f174e76e64a30ea72e9fe2345e067d99db4da4cffe445d117299392a5
        • MD5 SHA1 SHA512 SSDEEP

        MediaCenter.exe

        • Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        • Size 72KB
        • SHA256 4420160f174e76e64a30ea72e9fe2345e067d99db4da4cffe445d117299392a5
        • MD5 SHA1 SHA512 SSDEEP

        memory/2304-0-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/2304-1-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/2304-6-0x0000000000400000-0x000000000040A000-memory.dmp