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
    13/05/2024, 10:42

General

  • Target

    b32e0df3fa714e1e8b3a2faa643d2740_NeikiAnalytics.exe

  • Size

    66KB

  • MD5

    b32e0df3fa714e1e8b3a2faa643d2740

  • SHA1

    330f3f5579808078119738a5f17a35758632cd75

  • SHA256

    24b67fc502ac7d9e25286a72a073b67b867bfe45fbaee0adb2ef71bcfb0f9b12

  • SHA512

    0f8c06ee2f261a1277889256cf803c05566056127bbc0bc582c2221aed2c96b734231cb06566c174fc1a0facfaaf2702f7858f31a734aae5e4a2684ef0512207

  • SSDEEP

    768:jIUo+nlbMnDtmJf5t063Dt103lJ2zD9yIvo3UHQ:jKIZaQT26zt103lJ2v93oEHQ

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 4 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 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:608
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3488
        • C:\Users\Admin\AppData\Local\Temp\b32e0df3fa714e1e8b3a2faa643d2740_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\b32e0df3fa714e1e8b3a2faa643d2740_NeikiAnalytics.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:3940
          • C:\Windows\SysWOW64\rmass.exe
            "C:\Windows\SysWOW64\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:2660
            • C:\Windows\SysWOW64\rmass.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:668

      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

              7eb8a393395cb09c8494b428636a4446

              SHA1

              c070f30256d8ca50995101022e51979858df82a0

              SHA256

              829488613595f3e57a054137bf2b8e45da990a32b43e54ccc3716c21f0c98661

              SHA512

              5b2e7268cf45d6179a1960efd211b1d7363698b90450f1b6a5af90ce8cbc319e858731cd4a38a282f598a3d070363c832dc81b2dde9e50b11385b57f7befd1f4

            • C:\Windows\SysWOW64\ntdbg.exe

              Filesize

              67KB

              MD5

              f92b9d5ece14a67537613c59441a425b

              SHA1

              ad269cd1ad47e357398013522dc16e48e5e5f4ef

              SHA256

              5cacc6679c66dfdd073c7f7ca4a580c109521cdeed6ea0d4abf04f0a735ffc07

              SHA512

              3df0dced88901575dad83a4facfcb71565ac1f7ba6784bf2ad254c11f3b1ba7b8aee16fd3eccac98ef73d785ef3dc670f1c901d3758f4116635904e2c4655bfa

            • C:\Windows\SysWOW64\rmass.exe

              Filesize

              64KB

              MD5

              43932c7bf6c84edaea5dd19bdd3d6c63

              SHA1

              5be14c725e4370c45661b76ed52b4ab667c4e76d

              SHA256

              799ba7eb728a93b09a019b05b949f521b9bc40202ecce71571ffd42cec5a7467

              SHA512

              89411d0062244711a408edb2de31386a72607c6b524ea6d438071218842005b74f69a8116804b3009106aed85c0148cfd088af6391abf2365f344b097be9e4e8

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

              Filesize

              1KB

              MD5

              6f47b62de25d1745e296a06b3f98ed19

              SHA1

              a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

              SHA256

              15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

              SHA512

              dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

            • memory/668-15-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/2660-5-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/2660-49-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/3940-3-0x0000000000400000-0x0000000000403000-memory.dmp

              Filesize

              12KB