Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    23/12/2023, 11:24

General

  • Target

    Nkfskfkvosfjg.dll

  • Size

    973KB

  • MD5

    7b7b24fe695fcbe41b807f7b8176d57d

  • SHA1

    e89f6f846d60ca900a2ffee5e11e4b83032cb77d

  • SHA256

    374d1476191b32a90334ec0f874949e14c4ce2d8098294b4e322cccdcf6dbe32

  • SHA512

    2cbb7c9bca9df04a18c657937e59013d68c974322159d43c0a6d88965bc1d8d7c3a61d753ea3ce768d3cd45ff53ae3e24344c48913ecadcacc6b03963c3b87d2

  • SSDEEP

    24576:SXoc+NgQirDIIpUS+97z3+fRxHin6x/3/06KjL08ynA8YBqn/:Goc+AIYckfRxO65PZKjg3VYk

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Nkfskfkvosfjg.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Nkfskfkvosfjg.dll,#1
      2⤵
        PID:2032
    • C:\Windows\system32\verclsid.exe
      "C:\Windows\system32\verclsid.exe" /S /C {0B2C9183-C9FA-4C53-AE21-C900B0C39965} /I {0C733A8A-2A1C-11CE-ADE5-00AA0044773D} /X 0x401
      1⤵
        PID:2160
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:2824
        • C:\Windows\system32\rundll32.exe
          rundll32 Nkfskfkvosfjg.dll,Enter
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2828
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32 Nkfskfkvosfjg.dll,Enter
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2744
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 224
              4⤵
              • Program crash
              PID:2948

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            • memory/2032-0-0x0000000010000000-0x00000000100F7000-memory.dmp

              Filesize

              988KB

            • memory/2744-1-0x0000000010000000-0x00000000100F7000-memory.dmp

              Filesize

              988KB