Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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
  • Loads dropped DLL 3 IoCs
  • UPX packed file 6 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:432
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1204
        • C:\Users\Admin\AppData\Local\Temp\5a0b1ca0a74286cf307c6545461e1ef0_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\5a0b1ca0a74286cf307c6545461e1ef0_NeikiAnalytics.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3056
          • 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
            • Loads dropped DLL
            • 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:1244
            • C:\Windows\SysWOW64\rmass.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2924

      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

        71d288a211f25dfb38d335a37a59f7e1

        SHA1

        2b2ad25ecd8f3eadbe31226f1f7906515c676377

        SHA256

        927b2b78ffe9c98b50e52a57a33118f9ee2142afc448b0013cc01ae4e984f963

        SHA512

        f4a6b77cb2c7fd1817b4745a232afe06ef52f1f799bcd81c22a988b4c448ca9792a19c1049f8a709f64b5c1a091e7d8f0bc48a669e91631dbf93097cef43ab28

      • C:\Windows\SysWOW64\ntdbg.exe

        Filesize

        67KB

        MD5

        4be7d0618cadcdd93baba5346b06d546

        SHA1

        4090018a5d546be1740bb323f9e2db410c31fc42

        SHA256

        3a64dd84c88d97df84b2c03d558e81efcc5f3de6aca9162c40213011bb42a842

        SHA512

        eb00c06df38e4f6a7d922b6e6edc90ca35598b3ffb96ff3c4d6c36bb971a14f75aeba57112e2fc7c12fe3d836e4532b21ab2368d72d770d5aa49711dda24326f

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

        Filesize

        1KB

        MD5

        b10b13206b0f2cf3968050072f6979bf

        SHA1

        699db21ba9cecf3f13ac3d76e22cfa41aa94da80

        SHA256

        0eef3217095cb97b695c434e74d6314bf9e869a013d6e9c88e58c34576a276b4

        SHA512

        d33bfd931be6676539507a69101d99fa4c5ef36b12422bd11f063b9b6a47b7444f6c4ad5f35e044714fdb872e96cd9fddf049e8329af1219483887f6ac5f4a5d

      • \Windows\SysWOW64\rmass.exe

        Filesize

        64KB

        MD5

        5a0b1ca0a74286cf307c6545461e1ef0

        SHA1

        bcb49e28a0ca0907d62dec4916aff7bc87b2df76

        SHA256

        4b42379a0bfb6224437f65b651539ff61408eaa5444bd63936951c35e286f53c

        SHA512

        8291a8bb03674956f16f8286912de3a62816251e8cd85d5b6173bfb6faaece68fa7d6093478cecb9b744712f56f9ffdb42b9fe09b62926fd5667fe630d3a8f1f

      • memory/1244-24-0x0000000000530000-0x0000000000542000-memory.dmp

        Filesize

        72KB

      • memory/1244-23-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/1244-95-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/1244-96-0x0000000000530000-0x0000000000542000-memory.dmp

        Filesize

        72KB

      • memory/2924-25-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/3056-5-0x00000000003B0000-0x00000000003C2000-memory.dmp

        Filesize

        72KB

      • memory/3056-4-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB