Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-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
  • Loads dropped DLL 3 IoCs
  • UPX packed file 8 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:432
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1208
        • C:\Users\Admin\AppData\Local\Temp\b32abd5ae48244ad9afe7d3ee95f0d20_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\b32abd5ae48244ad9afe7d3ee95f0d20_NeikiAnalytics.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1148
          • 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:2268
            • C:\Windows\SysWOW64\rmass.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2108

      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

              806c372b45f665e6a07c2b2d49e6c122

              SHA1

              3ff95c485868c21155c5c5d645a7582ef584e3e9

              SHA256

              de5c1c4e1d4632f2b96fc8fca745896e07dee8758d369b0236d37ab384e48fd8

              SHA512

              2738f4d04caaf1feba7c885e271ecadbb0e30707883795e276ddc9b108228ed6910b28c08c7ce30c76dc5db365e541af3c7debe3f80f7671a3be934366810927

            • C:\Windows\SysWOW64\ntdbg.exe

              Filesize

              24KB

              MD5

              80ac6191cff6452e552771051f83e25b

              SHA1

              1e827ac7e94736f6702b2e559eced2b8c30bef8f

              SHA256

              0f3a4117976b3db8c71adfb5428fe155fe15d0cc4cb40151c3cb60967cbcb5af

              SHA512

              c716617ef949953a00194d2cf7f7736f89cd333c0d4e9dbb9105bc2e8af29afece4bd45e839815162263932b2711888a24fed1e286ccfc08af40958db1183c6c

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

              Filesize

              1KB

              MD5

              b10b13206b0f2cf3968050072f6979bf

              SHA1

              699db21ba9cecf3f13ac3d76e22cfa41aa94da80

              SHA256

              0eef3217095cb97b695c434e74d6314bf9e869a013d6e9c88e58c34576a276b4

              SHA512

              d33bfd931be6676539507a69101d99fa4c5ef36b12422bd11f063b9b6a47b7444f6c4ad5f35e044714fdb872e96cd9fddf049e8329af1219483887f6ac5f4a5d

            • \Windows\SysWOW64\rmass.exe

              Filesize

              21KB

              MD5

              b32abd5ae48244ad9afe7d3ee95f0d20

              SHA1

              1765587f4cf7d5c013783f4dd95b2a23ab16176b

              SHA256

              7f82ba728960560e827a8cc410ee9261107e2c091f0915e7767d6b03ed6c43fa

              SHA512

              d931e31bd716672ac0a063f2b6fcd03ae8c752db17f670bccf72a30b35234ed6ad1b579e234ba00f71775470e451828cfde4bb0d9d57a1acb5adbe575a737251

            • memory/1148-12-0x0000000000320000-0x0000000000331000-memory.dmp

              Filesize

              68KB

            • memory/1148-0-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/1148-5-0x0000000000320000-0x0000000000331000-memory.dmp

              Filesize

              68KB

            • memory/1148-14-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/2108-28-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/2268-20-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/2268-27-0x00000000002B0000-0x00000000002C1000-memory.dmp

              Filesize

              68KB

            • memory/2268-62-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/2268-102-0x00000000002B0000-0x00000000002C1000-memory.dmp

              Filesize

              68KB