Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/05/2024, 22:28

General

  • Target

    2ad334975467a1d46221d848ca80c8e0_NeikiAnalytics.exe

  • Size

    63KB

  • MD5

    2ad334975467a1d46221d848ca80c8e0

  • SHA1

    a311e2e361f15f7a199cf555845b37d50b074b32

  • SHA256

    2465f83c8ae5976550b0a54c6802af25a6a5969d1453cf32bee96c8b56e706de

  • SHA512

    9c7a6e910c62abb1475ed75d5d4715c87e3e3e52ccc754b4e8a702321986a501e6af13667572691a706925b78f3e7bea1290c019dd80aa0c5e2d7e0543905f3d

  • SSDEEP

    768:rAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGKQLddOW/74WvRewT:sUNHFKQbIkHvGMdOU4VwT

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:436
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1160
        • C:\Users\Admin\AppData\Local\Temp\2ad334975467a1d46221d848ca80c8e0_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\2ad334975467a1d46221d848ca80c8e0_NeikiAnalytics.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2036
          • 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:2144
            • C:\Windows\SysWOW64\rmass.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2612

      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

              65KB

              MD5

              0aab8f93f3fe6fd01857fb98744e8d11

              SHA1

              f52700c8fcf621215bc0759bf98f621d95006e59

              SHA256

              53927784642a307e9c66e34c21206e061dc4429c0eb72d5ac87b67f40a153ec9

              SHA512

              994d97331a138dd0b32764ee635a44f65ec35717a8e97ef0eef757604c08a5c4a4c79ddb22df0af3fa1b5ca4cbf25a6c3f593def715dc9da487f6fb94322dceb

            • C:\Windows\SysWOW64\ntdbg.exe

              Filesize

              66KB

              MD5

              0888157cb07893736d05b3b5e4924bd0

              SHA1

              eef66a3bf25909d72c63b263de3c12554397a7d1

              SHA256

              e280f3e8561bca3ba8a7f8a9a0592a8b877d8e19a07e4b0f2033013d47cda5d3

              SHA512

              c3bd3db0e28f7db38a0bbd6a25323b511ed0cda6ec038035cd1bcda3136bb13a4113a838c5d66b65b385783cef07647773f4362a6b6bbd544b59c0e7342d9141

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

              Filesize

              1KB

              MD5

              b10b13206b0f2cf3968050072f6979bf

              SHA1

              699db21ba9cecf3f13ac3d76e22cfa41aa94da80

              SHA256

              0eef3217095cb97b695c434e74d6314bf9e869a013d6e9c88e58c34576a276b4

              SHA512

              d33bfd931be6676539507a69101d99fa4c5ef36b12422bd11f063b9b6a47b7444f6c4ad5f35e044714fdb872e96cd9fddf049e8329af1219483887f6ac5f4a5d

            • \Windows\SysWOW64\rmass.exe

              Filesize

              63KB

              MD5

              2ad334975467a1d46221d848ca80c8e0

              SHA1

              a311e2e361f15f7a199cf555845b37d50b074b32

              SHA256

              2465f83c8ae5976550b0a54c6802af25a6a5969d1453cf32bee96c8b56e706de

              SHA512

              9c7a6e910c62abb1475ed75d5d4715c87e3e3e52ccc754b4e8a702321986a501e6af13667572691a706925b78f3e7bea1290c019dd80aa0c5e2d7e0543905f3d

            • memory/2036-5-0x0000000000320000-0x0000000000332000-memory.dmp

              Filesize

              72KB

            • memory/2036-4-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/2144-12-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/2144-20-0x00000000003B0000-0x00000000003C2000-memory.dmp

              Filesize

              72KB

            • memory/2144-85-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/2144-95-0x00000000003B0000-0x00000000003C2000-memory.dmp

              Filesize

              72KB

            • memory/2612-96-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB