Analysis

  • max time kernel
    64s
  • max time network
    67s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09/03/2023, 09:41

General

  • Target

    6e8ebd107749e6b0c8e89f2f91929ec54795991fbbb01233642bdace7dc28f4d.exe

  • Size

    1.3MB

  • MD5

    07db54085b6693683aae67b3f39cc0d4

  • SHA1

    e732357df8292d65675afc6be1d6423554519c47

  • SHA256

    6e8ebd107749e6b0c8e89f2f91929ec54795991fbbb01233642bdace7dc28f4d

  • SHA512

    39d12b622e3aa4f18745289ca9299cae66036095e5452990ad719b7c5ca5e0ba748ccc14c89d28755b51656f945ec3ebe820959d79deb44e1224e62d98829211

  • SSDEEP

    24576:gJr8tE+gHqOGCrqvOZJVxl9Zn0hxtejdKSN2Gow53tnQMeQlpglrBAV0NJ8:gJ4NOG8qvOZJzFwxtejd32lutnQ1Qrgi

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e8ebd107749e6b0c8e89f2f91929ec54795991fbbb01233642bdace7dc28f4d.exe
    "C:\Users\Admin\AppData\Local\Temp\6e8ebd107749e6b0c8e89f2f91929ec54795991fbbb01233642bdace7dc28f4d.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\SysWOW64\control.exe
      "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\EFnIA.cPl",
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\EFnIA.cPl",
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3264
        • C:\Windows\system32\RunDll32.exe
          C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\EFnIA.cPl",
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1648
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\EFnIA.cPl",
            5⤵
            • Loads dropped DLL
            PID:4668

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\EFnIA.cPl

          Filesize

          1.2MB

          MD5

          83dd2b719126b7898064e609aedc66a0

          SHA1

          f1707e6d477156de81439d537ef119351942806c

          SHA256

          d63edcc9008fedcd15ad053ada2ee95f8ead15f6be8e7a3682e19678bab1de95

          SHA512

          f853a8bb2294c8d3084c45da06008d759ff29f0ddb7a95619c79daca1df908fbf84e4df939b7016ba24cc49e8f8155f77edb7af330cc47191d2d58738dcbdacb

        • \Users\Admin\AppData\Local\Temp\efniA.cpl

          Filesize

          1.2MB

          MD5

          83dd2b719126b7898064e609aedc66a0

          SHA1

          f1707e6d477156de81439d537ef119351942806c

          SHA256

          d63edcc9008fedcd15ad053ada2ee95f8ead15f6be8e7a3682e19678bab1de95

          SHA512

          f853a8bb2294c8d3084c45da06008d759ff29f0ddb7a95619c79daca1df908fbf84e4df939b7016ba24cc49e8f8155f77edb7af330cc47191d2d58738dcbdacb

        • \Users\Admin\AppData\Local\Temp\efniA.cpl

          Filesize

          1.2MB

          MD5

          83dd2b719126b7898064e609aedc66a0

          SHA1

          f1707e6d477156de81439d537ef119351942806c

          SHA256

          d63edcc9008fedcd15ad053ada2ee95f8ead15f6be8e7a3682e19678bab1de95

          SHA512

          f853a8bb2294c8d3084c45da06008d759ff29f0ddb7a95619c79daca1df908fbf84e4df939b7016ba24cc49e8f8155f77edb7af330cc47191d2d58738dcbdacb

        • \Users\Admin\AppData\Local\Temp\efniA.cpl

          Filesize

          1.2MB

          MD5

          83dd2b719126b7898064e609aedc66a0

          SHA1

          f1707e6d477156de81439d537ef119351942806c

          SHA256

          d63edcc9008fedcd15ad053ada2ee95f8ead15f6be8e7a3682e19678bab1de95

          SHA512

          f853a8bb2294c8d3084c45da06008d759ff29f0ddb7a95619c79daca1df908fbf84e4df939b7016ba24cc49e8f8155f77edb7af330cc47191d2d58738dcbdacb

        • memory/3264-134-0x0000000004CF0000-0x0000000004DD0000-memory.dmp

          Filesize

          896KB

        • memory/3264-135-0x0000000004DD0000-0x0000000004E98000-memory.dmp

          Filesize

          800KB

        • memory/3264-138-0x0000000004DD0000-0x0000000004E98000-memory.dmp

          Filesize

          800KB

        • memory/3264-139-0x0000000004DD0000-0x0000000004E98000-memory.dmp

          Filesize

          800KB

        • memory/3264-130-0x0000000000C70000-0x0000000000C76000-memory.dmp

          Filesize

          24KB

        • memory/3264-128-0x0000000000400000-0x000000000052A000-memory.dmp

          Filesize

          1.2MB

        • memory/4668-143-0x0000000001180000-0x00000000012AA000-memory.dmp

          Filesize

          1.2MB

        • memory/4668-142-0x0000000001180000-0x00000000012AA000-memory.dmp

          Filesize

          1.2MB

        • memory/4668-145-0x00000000008C0000-0x00000000008C6000-memory.dmp

          Filesize

          24KB

        • memory/4668-148-0x00000000049B0000-0x0000000004A90000-memory.dmp

          Filesize

          896KB

        • memory/4668-149-0x0000000004A90000-0x0000000004B58000-memory.dmp

          Filesize

          800KB

        • memory/4668-152-0x0000000004A90000-0x0000000004B58000-memory.dmp

          Filesize

          800KB

        • memory/4668-153-0x0000000001180000-0x00000000012AA000-memory.dmp

          Filesize

          1.2MB

        • memory/4668-154-0x0000000004A90000-0x0000000004B58000-memory.dmp

          Filesize

          800KB