Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2024, 14:44

General

  • Target

    VirusShare_fceb3930c2356d17b1e28b8baa64dc77.dll

  • Size

    223KB

  • MD5

    fceb3930c2356d17b1e28b8baa64dc77

  • SHA1

    88b26e0450e35a7cf1af7ec7b09127643b1322d5

  • SHA256

    b83c9092b6fc0f7c29a715341492187cd85383d34172d80c241042c80c7e1207

  • SHA512

    d80cb8c3cd27a9e174b7aa81e89486898fb259d164a3542461a0afaa27cae82ead824cb99487ad86a40b1f94e8a0d49071ce1659585fe455a3d9b3b20aedc051

  • SSDEEP

    3072:R8AfgU/efWgvPTEJY3iy2X6iQYDNXq5vOommiuO/ykNgglpOQhMdr57Dufmf0nmh:R8JxvIK392sYdyYykug45u+snLMjB

Score
8/10

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer Protected Mode 1 TTPs 15 IoCs
  • Modifies Internet Explorer Protected Mode Banner 1 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 49 IoCs
  • Modifies registry class 8 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\VirusShare_fceb3930c2356d17b1e28b8baa64dc77.dll,#1
    1⤵
    • Modifies Internet Explorer Protected Mode
    • Modifies Internet Explorer Protected Mode Banner
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3096
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      2⤵
      • Modifies registry class
      PID:4232
    • C:\Windows\SysWOW64\notepad.exe
      notepad.exe
      2⤵
      • Modifies Internet Explorer Protected Mode
      • Modifies Internet Explorer Protected Mode Banner
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      PID:684
    • C:\Windows\SysWOW64\notepad.exe
      notepad.exe
      2⤵
      • Modifies Internet Explorer Protected Mode
      • Modifies Internet Explorer Protected Mode Banner
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      PID:3044
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\VirusShare_fceb3930c2356d17b1e28b8baa64dc77.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3924
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{682159d9-c321-47ca-b3f1-30e36b2ec8b9} -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3428
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {3eef301f-b596-4c0b-bd92-013beafce793} -Embedding
    1⤵
      PID:3008
    • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
      "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
      1⤵
        PID:3908
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:628
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:628 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2220

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        471B

        MD5

        7bde92ff965b73dc76190e608c2fbb93

        SHA1

        95547789d183bbf9ea20ef6ba4c6b2f0249fb30d

        SHA256

        821420f187b512f853c8b73d9439e940e6e04c499532561343a739717a9a76ee

        SHA512

        21406b04613e8be9f2036f5057d6d3de568ec1aa4eb6471cd457e70e6ddadfc3b988d5f4c2d316e548b21b2850944a78d75a44ec3bf929e71fe61fb6b0de4ec6

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        404B

        MD5

        7e1be4efc77c36a882c1d73eb090cc72

        SHA1

        9a9518df76c8bc0d98106ea77d1a170d56f0b365

        SHA256

        9506218ccf5488a4f9bd3275ff6f4466ae37de5c4e929db290e8c15ad3f8ed72

        SHA512

        cc05405b2e5c085b702a055e0a310e2829f7971856888cb822cbc9da8757e59d34785bf1db2622c080154cf561d1691f110887698d23d4c71afd34633e5f533c

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verC023.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0SGFK56Z\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/684-15-0x0000000003A90000-0x0000000003AC1000-memory.dmp

        Filesize

        196KB

      • memory/684-5-0x0000000003A10000-0x0000000003A4D000-memory.dmp

        Filesize

        244KB

      • memory/684-6-0x0000000003A90000-0x0000000003AC1000-memory.dmp

        Filesize

        196KB

      • memory/684-4-0x00000000039D0000-0x0000000003A01000-memory.dmp

        Filesize

        196KB

      • memory/684-8-0x0000000003A90000-0x0000000003AC1000-memory.dmp

        Filesize

        196KB

      • memory/684-7-0x0000000003A90000-0x0000000003AC1000-memory.dmp

        Filesize

        196KB

      • memory/684-10-0x0000000003A90000-0x0000000003AC1000-memory.dmp

        Filesize

        196KB

      • memory/684-9-0x0000000003A90000-0x0000000003AC1000-memory.dmp

        Filesize

        196KB

      • memory/3044-11-0x0000000003F10000-0x0000000003F41000-memory.dmp

        Filesize

        196KB

      • memory/3044-13-0x0000000003FD0000-0x0000000004001000-memory.dmp

        Filesize

        196KB

      • memory/3044-16-0x0000000003FD0000-0x0000000004001000-memory.dmp

        Filesize

        196KB

      • memory/3044-12-0x0000000003F50000-0x0000000003F8D000-memory.dmp

        Filesize

        244KB

      • memory/3096-14-0x00000000026B0000-0x00000000026E1000-memory.dmp

        Filesize

        196KB

      • memory/3096-2-0x00000000026B0000-0x00000000026E1000-memory.dmp

        Filesize

        196KB

      • memory/3096-0-0x00000000025F0000-0x0000000002621000-memory.dmp

        Filesize

        196KB

      • memory/3096-1-0x0000000002630000-0x000000000266D000-memory.dmp

        Filesize

        244KB