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
    13/05/2024, 10:41

General

  • Target

    b32abd5ae48244ad9afe7d3ee95f0d20_NeikiAnalytics.exe

  • Size

    21KB

  • MD5

    b32abd5ae48244ad9afe7d3ee95f0d20

  • SHA1

    1765587f4cf7d5c013783f4dd95b2a23ab16176b

  • SHA256

    7f82ba728960560e827a8cc410ee9261107e2c091f0915e7767d6b03ed6c43fa

  • SHA512

    d931e31bd716672ac0a063f2b6fcd03ae8c752db17f670bccf72a30b35234ed6ad1b579e234ba00f71775470e451828cfde4bb0d9d57a1acb5adbe575a737251

  • SSDEEP

    384:UBWoC5GDr6wc/w3HgM6vDUTAXBGCVf4WVlFvX8Mb7a6t:rRkiLw3HsDSARGG/MMb7rt

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 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:616
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3436
        • C:\Users\Admin\AppData\Local\Temp\b32abd5ae48244ad9afe7d3ee95f0d20_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\b32abd5ae48244ad9afe7d3ee95f0d20_NeikiAnalytics.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1376
          • 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:4320
            • C:\Windows\SysWOW64\rmass.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:5092

      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

              23KB

              MD5

              78a2d7191cfed5e1e9046283638cc1b4

              SHA1

              cbe37d80b6fdf99573af51f264afc7168fec6597

              SHA256

              bdc3d24954a6cfe2e611f17ad0f34f79c11180f0db2ebca107a9666e6cf246b7

              SHA512

              9bfdb4d571951c04105331708b4be71d4e9abfba8793923f3f78943214c9a96f614b0dbaf8da643d7a0660ee74478f60a05f3e1ca05d90a050c8ac97505de545

            • C:\Windows\SysWOW64\ntdbg.exe

              Filesize

              24KB

              MD5

              1b3271619b6caa166c9601df55027928

              SHA1

              7681498d8762f479a61ca23670d6acd8078e7870

              SHA256

              99cf6415ed0dec5e9533092141927bfb9e2a243c4111924029585cd2580bd61f

              SHA512

              e449195084fc4ee53ebb909f1ba9d02881c398eaadf7df2f26797d40b3c10039b6decb0f81062c0c1cfc7755f067a579548e8e6baabd17468c0db8177a274179

            • C:\Windows\SysWOW64\rmass.exe

              Filesize

              21KB

              MD5

              b32abd5ae48244ad9afe7d3ee95f0d20

              SHA1

              1765587f4cf7d5c013783f4dd95b2a23ab16176b

              SHA256

              7f82ba728960560e827a8cc410ee9261107e2c091f0915e7767d6b03ed6c43fa

              SHA512

              d931e31bd716672ac0a063f2b6fcd03ae8c752db17f670bccf72a30b35234ed6ad1b579e234ba00f71775470e451828cfde4bb0d9d57a1acb5adbe575a737251

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

              Filesize

              1KB

              MD5

              6f47b62de25d1745e296a06b3f98ed19

              SHA1

              a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

              SHA256

              15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

              SHA512

              dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

            • memory/1376-0-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/1376-6-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/4320-9-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/4320-53-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/5092-19-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB