Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    17/05/2024, 04:59

General

  • Target

    adcd3bd5c6b1a479db5af9138a9a6980_NeikiAnalytics.exe

  • Size

    63KB

  • MD5

    adcd3bd5c6b1a479db5af9138a9a6980

  • SHA1

    1db9197b52e23d51b594ea04baf89166b94e8eef

  • SHA256

    7c93ceb712e21f475f5f1177f486134a68c93b1b225355522df64415cbd7942a

  • SHA512

    7539c62475b29c7cac1ae4cd201b021e5f44c5ee26a69e1ca2be81518377c2ae9cd9c03045dc8d18ad9e06cb3258851450a3acdcc605fc510bc9514bebcdba0d

  • SSDEEP

    768:rAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGKQLddOW/24WvgMb7rAY:sUNHFKQbIkHvGMdOp4Zu7MY

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:1276
        • C:\Users\Admin\AppData\Local\Temp\adcd3bd5c6b1a479db5af9138a9a6980_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\adcd3bd5c6b1a479db5af9138a9a6980_NeikiAnalytics.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2392
          • 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:1824
            • C:\Windows\SysWOW64\rmass.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2092

      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

        ce8edfd5dcc9587c24513dcda94554b6

        SHA1

        962eb952542a51de6ef8c23619440121a16f0219

        SHA256

        ad0e47b9790eae1890e477889b9ffc3c9b2e34d314839f289e005b56d0050d8e

        SHA512

        98cb80bdec2dc67f544e57b884677504617027fb4b0ca654be3ffd6bcecfbafcae8d3bc7c12956750bfa4c82222e360ad2449b5a114ec76c0970a8da7254220c

      • C:\Windows\SysWOW64\ntdbg.exe

        Filesize

        66KB

        MD5

        b2ac7a0a03883b8df9e4b5d4f86cffdc

        SHA1

        e348895c4b7dd33b5bb26cccae335bf4cc12fc1d

        SHA256

        3506b20660f341cd5850c1c7de4da08489fd5029ee08a154dc3c76164e09bd25

        SHA512

        5e1dd82617bd6ebe05fae7e3407f70c34e7eb6f837633db83ea3046afc622243b83a1e7a636b8c4b75f1faa21bb97f58eb2ec61fac1c63dba91daf356bdc2c89

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

        Filesize

        1KB

        MD5

        b10b13206b0f2cf3968050072f6979bf

        SHA1

        699db21ba9cecf3f13ac3d76e22cfa41aa94da80

        SHA256

        0eef3217095cb97b695c434e74d6314bf9e869a013d6e9c88e58c34576a276b4

        SHA512

        d33bfd931be6676539507a69101d99fa4c5ef36b12422bd11f063b9b6a47b7444f6c4ad5f35e044714fdb872e96cd9fddf049e8329af1219483887f6ac5f4a5d

      • \Windows\SysWOW64\rmass.exe

        Filesize

        63KB

        MD5

        adcd3bd5c6b1a479db5af9138a9a6980

        SHA1

        1db9197b52e23d51b594ea04baf89166b94e8eef

        SHA256

        7c93ceb712e21f475f5f1177f486134a68c93b1b225355522df64415cbd7942a

        SHA512

        7539c62475b29c7cac1ae4cd201b021e5f44c5ee26a69e1ca2be81518377c2ae9cd9c03045dc8d18ad9e06cb3258851450a3acdcc605fc510bc9514bebcdba0d

      • memory/1824-21-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/1824-78-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/2092-94-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/2392-0-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/2392-10-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB