Analysis

  • max time kernel
    77s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    22/02/2023, 11:19

General

  • Target
    367a953e424e33e8c8e8d9b49fdbcd8c.exe
  • Size 1.2MB
  • Sample230222-net25sch4y
  • SHA256 ec407bdbe5b6a04ebc0edde2a3ce65621df47f91799bcd950b9291a72cefeb2b
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\367a953e424e33e8c8e8d9b49fdbcd8c.exe
    "C:\Users\Admin\AppData\Local\Temp\367a953e424e33e8c8e8d9b49fdbcd8c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\SysWOW64\control.exe
      "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\D2LSPEC.cpL",
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:668
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\D2LSPEC.cpL",
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1680
        • C:\Windows\system32\RunDll32.exe
          C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\D2LSPEC.cpL",
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:688
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\D2LSPEC.cpL",
            5⤵
            • Loads dropped DLL
            PID:684

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        D2LSPEC.cpL

        • Path C:\Users\Admin\AppData\Local\Temp\D2LSPEC.cpL
        • Size 1008KB
        • SHA256 8b6bba13eed887a07eb66152404f1b903854135bd6a9e21da7c97e4934a15138
        • MD5 SHA1 SHA512 SSDEEP

        d2LsPEC.cpl

        • Path \Users\Admin\AppData\Local\Temp\d2LsPEC.cpl
        • Size 1008KB
        • SHA256 8b6bba13eed887a07eb66152404f1b903854135bd6a9e21da7c97e4934a15138
        • MD5 SHA1 SHA512 SSDEEP

        d2LsPEC.cpl

        • Path \Users\Admin\AppData\Local\Temp\d2LsPEC.cpl
        • Size 1008KB
        • SHA256 8b6bba13eed887a07eb66152404f1b903854135bd6a9e21da7c97e4934a15138
        • MD5 SHA1 SHA512 SSDEEP

        d2LsPEC.cpl

        • Path \Users\Admin\AppData\Local\Temp\d2LsPEC.cpl
        • Size 1008KB
        • SHA256 8b6bba13eed887a07eb66152404f1b903854135bd6a9e21da7c97e4934a15138
        • MD5 SHA1 SHA512 SSDEEP

        d2LsPEC.cpl

        • Path \Users\Admin\AppData\Local\Temp\d2LsPEC.cpl
        • Size 1008KB
        • SHA256 8b6bba13eed887a07eb66152404f1b903854135bd6a9e21da7c97e4934a15138
        • MD5 SHA1 SHA512 SSDEEP

        d2LsPEC.cpl

        • Path \Users\Admin\AppData\Local\Temp\d2LsPEC.cpl
        • Size 1008KB
        • SHA256 8b6bba13eed887a07eb66152404f1b903854135bd6a9e21da7c97e4934a15138
        • MD5 SHA1 SHA512 SSDEEP

        d2LsPEC.cpl

        • Path \Users\Admin\AppData\Local\Temp\d2LsPEC.cpl
        • Size 1008KB
        • SHA256 8b6bba13eed887a07eb66152404f1b903854135bd6a9e21da7c97e4934a15138
        • MD5 SHA1 SHA512 SSDEEP

        d2LsPEC.cpl

        • Path \Users\Admin\AppData\Local\Temp\d2LsPEC.cpl
        • Size 1008KB
        • SHA256 8b6bba13eed887a07eb66152404f1b903854135bd6a9e21da7c97e4934a15138
        • MD5 SHA1 SHA512 SSDEEP

        d2LsPEC.cpl

        • Path \Users\Admin\AppData\Local\Temp\d2LsPEC.cpl
        • Size 1008KB
        • SHA256 8b6bba13eed887a07eb66152404f1b903854135bd6a9e21da7c97e4934a15138
        • MD5 SHA1 SHA512 SSDEEP

        memory/684-86-0x0000000002620000-0x00000000026EB000-memory.dmp

        memory/684-85-0x00000000009E0000-0x0000000000ADC000-memory.dmp

        memory/684-84-0x0000000002530000-0x0000000002611000-memory.dmp

        memory/684-80-0x00000000000C0000-0x00000000000C6000-memory.dmp

        memory/684-89-0x0000000002620000-0x00000000026EB000-memory.dmp

        memory/684-90-0x0000000002620000-0x00000000026EB000-memory.dmp

        memory/684-78-0x00000000009E0000-0x0000000000ADC000-memory.dmp

        memory/1680-62-0x00000000009B0000-0x0000000000AAC000-memory.dmp

        memory/1680-73-0x0000000002590000-0x000000000265B000-memory.dmp

        memory/1680-72-0x0000000002590000-0x000000000265B000-memory.dmp

        memory/1680-69-0x0000000002590000-0x000000000265B000-memory.dmp

        memory/1680-68-0x00000000024A0000-0x0000000002581000-memory.dmp

        memory/1680-64-0x00000000001B0000-0x00000000001B6000-memory.dmp