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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 04:13

General

  • Target

    8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe

  • Size

    72KB

  • MD5

    8d10819958b8446d170b4826f27b47c0

  • SHA1

    53215a5d6968639dfc3d5e3fa2e470d3ba80a74d

  • SHA256

    fafac796d16c06ffbc08579f742616032606013fe667064a1abe047f66dc1c5a

  • SHA512

    5ce812db708070cb084369a1cbacb7086bcce12c20a635bb4946455a608924908c827f980b11d8949cb7fcab5aad29f3892b9f8f5975705e5d5a12b1d8a2dd74

  • SSDEEP

    1536:xp5uTRwOmEbRd3vHiIYTJWo9KxwO+N2tbZg0grsIhASwR:b5u1wOmqd3vHi8o9KiOAkg0gsIw

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:3432
        • C:\Users\Admin\AppData\Local\Temp\8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:1076
          • C:\Windows\SysWOW64\acricud-oudur.exe
            "C:\Windows\SysWOW64\acricud-oudur.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:3940
            • C:\Windows\SysWOW64\acricud-oudur.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:696

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\acricud-oudur.exe

        Filesize

        70KB

        MD5

        c954637cd151ea474ab64cc75386a100

        SHA1

        79116d1417e7d32f8e3759e2e4aff914fcbd3c33

        SHA256

        e96dce715a09faf024b5572cfc73b4f2765b5e91b65f351a86049d08b29bf1f9

        SHA512

        c5e160cd063075b6d1d6427c07f1f5f28bf2231ccc08b33703d170b23a2b14ae02e9e64d050fff9d4e8b8ae95004ba2c06f9eb4f2af45bcf81b66c735c9201e3

      • C:\Windows\SysWOW64\bdookex.exe

        Filesize

        73KB

        MD5

        a21c77c0e95e99eb414f275eef46b625

        SHA1

        8e97aa49ea030713501e02f2aa9952d17224dc12

        SHA256

        9069ca69637eed398ad60499559e2d855960e39260a6dd8fe25926b1e4818017

        SHA512

        3fc0e7c58bc9544d1765c3b849e5f7d3ea249f6d26d38c78edac5fcb09c3834b411e32288c5b632bedfeb1257f6e96cc005d0397a112fe0400d001d1bafaa515

      • C:\Windows\SysWOW64\efneakos.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\ihbucood-afac.exe

        Filesize

        72KB

        MD5

        93ad4b6dadc97fd82518d943ac571e5e

        SHA1

        ba343196e5f628de08faa473ac77677fef61c036

        SHA256

        0d8f0e4884e00d59b3b6934b01132041e5614d8d865b63efd2c8a819743432a2

        SHA512

        5cd037a24c2cb98d38f5949d4de278ca450cbae5373590ed0abdecce00b4f619b7b580e5ab40ff62ced2a9b22515a0a7b7ef580ff75386eee3b998925db5ce46

      • memory/696-48-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1076-3-0x0000000000400000-0x0000000000403000-memory.dmp

        Filesize

        12KB

      • memory/3940-47-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB