Analysis

  • max time kernel
    149s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2024, 21:20

General

  • Target

    38cac791eaa84745a71bfc8377619330_NEIKI.exe

  • Size

    72KB

  • MD5

    38cac791eaa84745a71bfc8377619330

  • SHA1

    814860803cabc73439c8b427aa63c2c3bc8fe765

  • SHA256

    f745b577edb1c7281a5685134773b89470316707e720bc2f0807497ae778d32b

  • SHA512

    66bf8fbfad9ee298b56fe9279fdd22e466f366c5b53dacaa0aec696510b254c44721ccde6a79b864f1a16b398c44f5af370afdbbc4779449c981cd3fd389faeb

  • SSDEEP

    1536:x2cYcEzIdxUTU6p3LGH6Y804K9D8tcdRS8G11IM3DTqzqEExu:UA7lEyHp4KicdI8dUxu

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Sets file execution options in registry 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 4 IoCs
  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3484
        • C:\Users\Admin\AppData\Local\Temp\38cac791eaa84745a71bfc8377619330_NEIKI.exe
          "C:\Users\Admin\AppData\Local\Temp\38cac791eaa84745a71bfc8377619330_NEIKI.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:1868
          • C:\Windows\SysWOW64\ouvsivep-uceas.exe
            "C:\Windows\SysWOW64\ouvsivep-uceas.exe"
            3⤵
            • Windows security bypass
            • Modifies Installed Components in the registry
            • Sets file execution options in registry
            • Executes dropped EXE
            • Windows security modification
            • Modifies WinLogon
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4180
            • C:\Windows\SysWOW64\ouvsivep-uceas.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2848

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Windows\SysWOW64\ekfiteac-eacat.exe

              Filesize

              73KB

              MD5

              32014b69ddd4c2e57916cbad75585dd0

              SHA1

              df664e2045543612b563437e3c8ca4863d5dcef2

              SHA256

              ecc2febe97a71264b310aa1986a9aa2e45acdc35b1f86835ab6e03f291a173ed

              SHA512

              30aeeb943605b7799c2d63e0e2bccd278148816dcfd2fc31d7aa6dbe016102a5d1c22b8d04974d786b2cec55fd084ec9aa485498fa8a878f00874b53f65c4186

            • C:\Windows\SysWOW64\ithaneax-oudeab.dll

              Filesize

              5KB

              MD5

              f37b21c00fd81bd93c89ce741a88f183

              SHA1

              b2796500597c68e2f5638e1101b46eaf32676c1c

              SHA256

              76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

              SHA512

              252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

            • C:\Windows\SysWOW64\ouvsivep-uceas.exe

              Filesize

              70KB

              MD5

              6aab20ac2b0c2f7fe88ee2119d1f008c

              SHA1

              4faa76b24283fb757a2ad0aebc91bff5641c48a1

              SHA256

              05a363adb1c5817a49ab00d4e84f410591a26e2c170cfa111bb65f8aaf5dc062

              SHA512

              e0ae32ebe009c389ad1b9750d0e24b232dc7949ac7c138456e9385a7be6e292aba98d5ccc4ba88df79943c8a04904e754af7ab6bf9130218a7536b4c697fc4ef

            • C:\Windows\SysWOW64\ouvxupuc-ameab.exe

              Filesize

              72KB

              MD5

              56683703c48c5b7badb5fc740455bbd1

              SHA1

              b64adbf28ef296a8bceb6a5ed75c1babff96d4e8

              SHA256

              5ea297d5b206fa6378c81f49629d79f3e2d7444d64427d6eb8ca59bcb043f211

              SHA512

              4dc0d875eda6f1dbe2c0549c8c8fdf76bb8e9bec198520a61e8e1d11e0ca4af0e8072dcd7740b591677410c74a90fb1b0d342bd8f1be16559d9c3b7f7807cad7

            • memory/1868-3-0x0000000000400000-0x0000000000403000-memory.dmp

              Filesize

              12KB

            • memory/2848-48-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4180-47-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB