Analysis

  • max time kernel
    149s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 06:37

General

  • Target

    f9e2dada6827997e4f3534ca9675dabd770db18a5f12a8dbc92f4610d9895897.exe

  • Size

    72KB

  • MD5

    08ef98334cdf1d9a465a564da9922c17

  • SHA1

    6783bb9e679637a906e96e4fd094550d5e3a3543

  • SHA256

    f9e2dada6827997e4f3534ca9675dabd770db18a5f12a8dbc92f4610d9895897

  • SHA512

    9a407be971cbb25c2ed533df954e7bf77111909e2fa3bc79a3cd26adbe6f27ad6e25c24c72291eed27af0da3faf818788379d753ff31554e1da6c717966f2849

  • SSDEEP

    1536:xUnHNbMNaFo7LlSChua7GfKezrsP7LGjA:8bMcFo330kJezKLG8

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:3392
        • C:\Users\Admin\AppData\Local\Temp\f9e2dada6827997e4f3534ca9675dabd770db18a5f12a8dbc92f4610d9895897.exe
          "C:\Users\Admin\AppData\Local\Temp\f9e2dada6827997e4f3534ca9675dabd770db18a5f12a8dbc92f4610d9895897.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:1524
          • C:\Windows\SysWOW64\alnoanax.exe
            "C:\Windows\SysWOW64\alnoanax.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:60
            • C:\Windows\SysWOW64\alnoanax.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:4192

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\alnoanax.exe

        Filesize

        70KB

        MD5

        eeb6716368cb2d60b4711daf5246c7ef

        SHA1

        c6a7eb7773bd64409b31fcc74cb4d78c03924651

        SHA256

        876258c05e94d4cf634558370a8e9ded4b1ddad05335a4d94a39107b01a0b3a9

        SHA512

        f267d96dfc983622631e9d519f18913e96db38a5b2aa251d31d138968172ec62fd1db4effc881a705b5181415c73d63a2a631e6187c4b787d13e629598401484

      • C:\Windows\SysWOW64\exlexut-tor.exe

        Filesize

        73KB

        MD5

        af37171daae21444ffd4a61ba40302f2

        SHA1

        524a6c5d2189e1e2b71c3c502425ac77c65fd5df

        SHA256

        6f3b7e9ac394eb44a92d10909f7a361eab7902fc87c295315b67ea854cb95049

        SHA512

        f66c9705b8c667a5ba219d2bd54304bf761b780839997aaa0adba3c7f82bf42fe99acbdb0728e855f30e770636a5878f85e93a00576fc53b311cba377ebbcbf7

      • C:\Windows\SysWOW64\imsevoon-cid.exe

        Filesize

        72KB

        MD5

        2059e67010eec55bb95503a16aed4e57

        SHA1

        592aefcff56058711d7a2160436f14e6fe7af599

        SHA256

        d5413f28f0fd6fcdf8b49b1c0725bb1d3611ffb2c8f3db9b9af640077c6d39e7

        SHA512

        429940a16121aaca534c6ec71d39455ece616fa9acfcbe50f910cb2b6cea6a334250394f15b259a7790d4ab489f897fc6e38980555751cff43cbc9733f8a8265

      • C:\Windows\SysWOW64\ofdupot-oufooc.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • memory/60-47-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1524-3-0x0000000000400000-0x0000000000403000-memory.dmp

        Filesize

        12KB

      • memory/4192-48-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB