Analysis

  • max time kernel
    143s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/10/2023, 02:29

General

  • Target
    NEAS.9b5484509eba9951ca1814ef508ff380.exe
  • Size 100KB
  • Sample231026-cyynwsbd47
  • SHA256 c6b206b72d3d925c0f3d71335f95b462cebba31993c0ab7bc04c185886ed73a4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.9b5484509eba9951ca1814ef508ff380.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.9b5484509eba9951ca1814ef508ff380.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4328
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4052
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.9b5484509eba9951ca1814ef508ff380.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:556
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3976

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 100KB
        • SHA256 d29b0573d3781741a11ce5617c6c726d9bed1382afc0b6cae32c86068a40bccf
        • MD5 SHA1 SHA512 SSDEEP

        MediaCenter.exe

        • Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        • Size 100KB
        • SHA256 d29b0573d3781741a11ce5617c6c726d9bed1382afc0b6cae32c86068a40bccf
        • MD5 SHA1 SHA512 SSDEEP

        memory/4052-6-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/4328-0-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/4328-5-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/4328-7-0x0000000000400000-0x000000000041B000-memory.dmp