Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 04:10

General

  • Target

    c98258e4b0b8112f42dbe0d70d177020_NEIKI.exe

  • Size

    70KB

  • MD5

    c98258e4b0b8112f42dbe0d70d177020

  • SHA1

    3187f35f812d9bdbe25fa68874adb471594721d8

  • SHA256

    34658c0b75433411a2913fdef09439955f99b89510c305360c2ff12fdb68a69a

  • SHA512

    35f9e5fbfa3436260b75e5810769222abd16291567c251b11f2f0a236bd5dac8ab85277096a53b89e8c7f046064baf46432a8407e0f8646a71898f3556e5dc13

  • SSDEEP

    768:x/ngseFPR3dwG0XD0kfLkctfkx1/pbFuWnJWFwnpmkFzCfxUOxrlpZ+pZk7/NQ5k:xfE3dF0XD0CLX2pbP0ue66aC/NQa

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 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
  • Windows security modification 2 TTPs 4 IoCs
  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:616
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3552
        • C:\Users\Admin\AppData\Local\Temp\c98258e4b0b8112f42dbe0d70d177020_NEIKI.exe
          "C:\Users\Admin\AppData\Local\Temp\c98258e4b0b8112f42dbe0d70d177020_NEIKI.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:1892
          • C:\Windows\SysWOW64\uglooxoor-ouxoot.exe
            "C:\Windows\SysWOW64\uglooxoor-ouxoot.exe"
            3⤵
            • Windows security bypass
            • 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
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:208
            • C:\Windows\SysWOW64\uglooxoor-ouxoot.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:1016

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Windows\SysWOW64\eadkoper-ecum.dll

              Filesize

              5KB

              MD5

              f37b21c00fd81bd93c89ce741a88f183

              SHA1

              b2796500597c68e2f5638e1101b46eaf32676c1c

              SHA256

              76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

              SHA512

              252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

            • C:\Windows\SysWOW64\elhoosef.exe

              Filesize

              71KB

              MD5

              853ed15142d607ee423251bc6593a26d

              SHA1

              4e4bf04be0f02cd9fea31ad498c2203a2cc10dae

              SHA256

              db1c06821d9aaf95603f4a27bdcfa3cee74602c5500b51e5fa1bbe90b04182a6

              SHA512

              fca150ec28e44f294ac61a933197a8bbb48a1efb8ad4f40250b7719a81ff9f48e380a907844618eb905a00c5da7e444846f25418a78f9b41cfa4fe6f866fb9e4

            • C:\Windows\SysWOW64\uglooxoor-ouxoot.exe

              Filesize

              68KB

              MD5

              239f1c26d34651fdc47ddf225a211f21

              SHA1

              90deeb0b7fb6fd5210e4ca10984db8e95083c342

              SHA256

              b88bb339f25b4d47415c9e102e5dfed2584af48f03338caba7b01d601c4462fe

              SHA512

              52f745a4fcf80f760783ec0a58dd97a7ff7c51352487b6b43b60e530a8cc896760be53d33b317d220a820593a2b99c0be708c9eedf7b760e6314457a1d08b7ee

            • C:\Windows\SysWOW64\ulrudeat-ugix.exe

              Filesize

              70KB

              MD5

              71e71d05b79efc1a01a2d33139b0a4e1

              SHA1

              a75fd94daf384676e97158942cead88fb8655502

              SHA256

              75159af27e3cd7173d4020f78177b5cf287db9d6b5e7cd294434c263c4e27876

              SHA512

              ee4a87f8ede77749ceaa0381368a544873a0e304b479b44226d684007d186a10b0f5bb6d950692a7fc454011fe5954140183b8d4ac0e8dd737d917ca9b7043bd

            • memory/208-47-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1016-48-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1892-3-0x0000000000400000-0x0000000000403000-memory.dmp

              Filesize

              12KB