Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-06-2024 03:15

General

  • Target

    5a0b1ca0a74286cf307c6545461e1ef0_NeikiAnalytics.exe

  • Size

    64KB

  • MD5

    5a0b1ca0a74286cf307c6545461e1ef0

  • SHA1

    bcb49e28a0ca0907d62dec4916aff7bc87b2df76

  • SHA256

    4b42379a0bfb6224437f65b651539ff61408eaa5444bd63936951c35e286f53c

  • SHA512

    8291a8bb03674956f16f8286912de3a62816251e8cd85d5b6173bfb6faaece68fa7d6093478cecb9b744712f56f9ffdb42b9fe09b62926fd5667fe630d3a8f1f

  • SSDEEP

    768:vAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGKQLddOW/24WvgMb7rQ+aO:YUNHFKQbIkHvGMdOp4Zu7MnO

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:624
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3544
        • C:\Users\Admin\AppData\Local\Temp\5a0b1ca0a74286cf307c6545461e1ef0_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\5a0b1ca0a74286cf307c6545461e1ef0_NeikiAnalytics.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1020
          • 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:4972
            • C:\Windows\SysWOW64\rmass.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2808

      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

        66KB

        MD5

        8ab7e68a04123d3e18e504a3d59a83e1

        SHA1

        14efc1c79b7a096bcca83de736d09ec6b742105c

        SHA256

        3fbcfbf468952d4249f3f16dfdc1a6d458458828214910c65806dbaae9081dd2

        SHA512

        91db3641edab1ba062e57d16f94ebb40249360feea9ea0f2c22f20e43eca30a2f7edcecb624f13156c0e014dea97609bfcbaed54ab707c62be2edc4bb8c5441b

      • C:\Windows\SysWOW64\ntdbg.exe

        Filesize

        67KB

        MD5

        7106cd6a431b463c9319e53a2655fb71

        SHA1

        3d78544da88d15899c8497cdfc1010701cb5c9b9

        SHA256

        d7536c4741f1eaf9d0ded9b68e7edd52a2f6ef5bb4014b4a2b6f805bda60fb63

        SHA512

        66c199ef82ac594f508adf419e19ce6774f4b1b063cc3d8d8dd5c14ba7b5c81705495653b0cf9c5cbb6f067a318ed4123830ac6ce9a2db96b8f40df46245b5ae

      • C:\Windows\SysWOW64\rmass.exe

        Filesize

        64KB

        MD5

        5a0b1ca0a74286cf307c6545461e1ef0

        SHA1

        bcb49e28a0ca0907d62dec4916aff7bc87b2df76

        SHA256

        4b42379a0bfb6224437f65b651539ff61408eaa5444bd63936951c35e286f53c

        SHA512

        8291a8bb03674956f16f8286912de3a62816251e8cd85d5b6173bfb6faaece68fa7d6093478cecb9b744712f56f9ffdb42b9fe09b62926fd5667fe630d3a8f1f

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

        Filesize

        1KB

        MD5

        6f47b62de25d1745e296a06b3f98ed19

        SHA1

        a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

        SHA256

        15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

        SHA512

        dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

      • memory/1020-0-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/1020-8-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/2808-17-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/4972-51-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB