Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 22:28

General

  • Target

    2ad334975467a1d46221d848ca80c8e0_NeikiAnalytics.exe

  • Size

    63KB

  • MD5

    2ad334975467a1d46221d848ca80c8e0

  • SHA1

    a311e2e361f15f7a199cf555845b37d50b074b32

  • SHA256

    2465f83c8ae5976550b0a54c6802af25a6a5969d1453cf32bee96c8b56e706de

  • SHA512

    9c7a6e910c62abb1475ed75d5d4715c87e3e3e52ccc754b4e8a702321986a501e6af13667572691a706925b78f3e7bea1290c019dd80aa0c5e2d7e0543905f3d

  • SSDEEP

    768:rAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGKQLddOW/74WvRewT:sUNHFKQbIkHvGMdOU4VwT

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Drops file in Drivers directory 1 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
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 4 IoCs
  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3452
        • C:\Users\Admin\AppData\Local\Temp\2ad334975467a1d46221d848ca80c8e0_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\2ad334975467a1d46221d848ca80c8e0_NeikiAnalytics.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2044
          • C:\Windows\SysWOW64\rmass.exe
            "C:\Windows\system32\rmass.exe"
            3⤵
            • Windows security bypass
            • Drops file in Drivers directory
            • 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
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:760
            • C:\Windows\SysWOW64\rmass.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:4140

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Windows\SysWOW64\RECOVER32.DLL

              Filesize

              5KB

              MD5

              2b2c28a7a01f9584fe220ef84003427f

              SHA1

              5fc023df0b5064045eb8de7f2dbe26f07f6fec70

              SHA256

              9e00af53b1d0c0f5270d94a666d95aa7b4dcb9fea49487c210c055c9dcfcc9eb

              SHA512

              39192a8a91dec1abff25af8dac0cf39da4dfd51b3fb4f1ef0b4e776185d4280fbe8387c2ea778da7bbf2ce288b0bce4d23cbe8d9e87bbd250159044f5adbac78

            • C:\Windows\SysWOW64\ahuy.exe

              Filesize

              65KB

              MD5

              fa135627262c8254af12be7b65291a9e

              SHA1

              63bd33ea5b320aca48387d57e1e0bd8cc12a6e8f

              SHA256

              3da78f99bbfd9b7a6ba72f2cfa187f7c406cb01a7e24e9b391a059ebd8ed3c15

              SHA512

              c6d93a14f3ab64417aafa0d9e8a10a139c986f0a215637f3668fcb0ffe6cb0464ebc6cbae988476b1955c1dd342b59fa82be27178069d6576d3356f97e3947c4

            • C:\Windows\SysWOW64\ntdbg.exe

              Filesize

              66KB

              MD5

              7ae7165a347f63dc0a02462447131c82

              SHA1

              80e2fbe4972eef830298af900e48fd17cc65050c

              SHA256

              e9314fbff81dd6e27533e1d120cc6e6274c2a985ebdaa61fb436ac19cf0b52c9

              SHA512

              92b71240403deefec1e79bd42f0560e1a5a38dec4516f08b563b63d5b716af9a9cd632bfc62dc5c34acce00bcc334fffa2210dcc942d79dca529deacf389544f

            • C:\Windows\SysWOW64\rmass.exe

              Filesize

              63KB

              MD5

              2ad334975467a1d46221d848ca80c8e0

              SHA1

              a311e2e361f15f7a199cf555845b37d50b074b32

              SHA256

              2465f83c8ae5976550b0a54c6802af25a6a5969d1453cf32bee96c8b56e706de

              SHA512

              9c7a6e910c62abb1475ed75d5d4715c87e3e3e52ccc754b4e8a702321986a501e6af13667572691a706925b78f3e7bea1290c019dd80aa0c5e2d7e0543905f3d

            • C:\Windows\System32\drivers\etc\hosts

              Filesize

              1KB

              MD5

              6f47b62de25d1745e296a06b3f98ed19

              SHA1

              a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

              SHA256

              15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

              SHA512

              dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

            • memory/760-50-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/2044-0-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/2044-6-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/4140-51-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB