Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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
  • 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 1 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:1136
        • C:\Users\Admin\AppData\Local\Temp\b32e0df3fa714e1e8b3a2faa643d2740_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\b32e0df3fa714e1e8b3a2faa643d2740_NeikiAnalytics.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:2240
          • 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
            • 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:2252
            • C:\Windows\SysWOW64\rmass.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2484

      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

              0320684102810468695f89b43d696e26

              SHA1

              2d215aab491ab35f8ae4bb90ac022bc4e0f30de9

              SHA256

              fc835ad2c27b064342872d3663821d1fdf06ad8094ec1fe84ed3c50f1c94c968

              SHA512

              6af585e00952ba39e90920ad995133eea4eef93c2287d957ecd4e5985720f98926272d33de09a990e5ba0cbde10072d9a340de0ad9cc53d0cfa14ee1f1e356af

            • C:\Windows\SysWOW64\ntdbg.exe

              Filesize

              67KB

              MD5

              58906377e4eca9195c2f69a3ad441896

              SHA1

              f4e07a80250590e439be396fccfcee9ac63597ae

              SHA256

              aae037a4d6cf0aabcc44765bfd52bdecdc7096c0f4bce0be34ed2f62c4296f4f

              SHA512

              34aadb5efb673ab0ed71358e00415a6916cd0e0fd14845ba648859284fdaa8fe34e2736a3e10b2765e9719267a6cd21dc3e19be681bebd491c7928659fe876f6

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

              Filesize

              1KB

              MD5

              b10b13206b0f2cf3968050072f6979bf

              SHA1

              699db21ba9cecf3f13ac3d76e22cfa41aa94da80

              SHA256

              0eef3217095cb97b695c434e74d6314bf9e869a013d6e9c88e58c34576a276b4

              SHA512

              d33bfd931be6676539507a69101d99fa4c5ef36b12422bd11f063b9b6a47b7444f6c4ad5f35e044714fdb872e96cd9fddf049e8329af1219483887f6ac5f4a5d

            • \Windows\SysWOW64\rmass.exe

              Filesize

              64KB

              MD5

              43932c7bf6c84edaea5dd19bdd3d6c63

              SHA1

              5be14c725e4370c45661b76ed52b4ab667c4e76d

              SHA256

              799ba7eb728a93b09a019b05b949f521b9bc40202ecce71571ffd42cec5a7467

              SHA512

              89411d0062244711a408edb2de31386a72607c6b524ea6d438071218842005b74f69a8116804b3009106aed85c0148cfd088af6391abf2365f344b097be9e4e8

            • memory/2240-2-0x0000000000020000-0x0000000000032000-memory.dmp

              Filesize

              72KB

            • memory/2240-8-0x0000000000400000-0x0000000000403000-memory.dmp

              Filesize

              12KB

            • memory/2252-10-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/2252-22-0x0000000000360000-0x0000000000372000-memory.dmp

              Filesize

              72KB

            • memory/2252-84-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/2252-94-0x0000000000360000-0x0000000000372000-memory.dmp

              Filesize

              72KB

            • memory/2484-95-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/2484-23-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB