Analysis

  • max time kernel
    149s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 00:05

General

  • Target

    5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe

  • Size

    73KB

  • MD5

    1dbc4b43599d738b319087659829f790

  • SHA1

    f8e0afdb90d6b1262ecb055ccc58d5bd2cc8094e

  • SHA256

    5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40

  • SHA512

    ac54cdc4b2b0e72f3800443484b6e1eb1bcf55a1b5886dd1ee0c8e57f01f4c8fe5cab600c6f6635a0899b9a14fa2850cf1dc652cc21461c061607517e1cf4394

  • SSDEEP

    1536:x/PEBsa9G2usp5yhscwOxffOwnRN8/UZh+bVwNPjX2geT:Mhp5+nOw/VZ8VIL6T

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:608
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3412
        • C:\Users\Admin\AppData\Local\Temp\5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe
          "C:\Users\Admin\AppData\Local\Temp\5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:5012
          • C:\Windows\SysWOW64\avriref-ceab.exe
            "C:\Windows\SysWOW64\avriref-ceab.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:2864
            • C:\Windows\SysWOW64\avriref-ceab.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:3284

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\avriref-ceab.exe

        Filesize

        71KB

        MD5

        19206464a465b208a918fa1fb76e73d0

        SHA1

        1fd45af84436f08c2233976998714019966eed81

        SHA256

        085f892d3076ce176bc1f69bf81c21b38e3821a287dfe2805a5c925360ddae1a

        SHA512

        d8e92d5ff63a8f1e0f900c7c568e32006e2ac9c829b1c373dd7b565602fd114a2ac86f4314dc8cb97644b5278ad6ccebffd5e729494e85d9dc8f076274e6f143

      • C:\Windows\SysWOW64\edlokid-eacur.exe

        Filesize

        74KB

        MD5

        1259ab5bc2870939708a42ccbd6dfea6

        SHA1

        947c1ac4243f73daeca6d2f60241cffb64302e4c

        SHA256

        35ab9c51ac5beee9a2415fe861f2266426989458527c81a0c2e2a444ebb37285

        SHA512

        22fb7248ca941f7f94a3b42336d644de0bff31a734cdd1c31b9830bf778a0576fe31d8e518a060da87e25bc3f25c8b4c23ff6027407e02d62d615d8f68693fdf

      • C:\Windows\SysWOW64\ouxcevaf-ouhor.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\urputah-doas.exe

        Filesize

        73KB

        MD5

        3326f96af1ad536794ed4cbbcd8d4aa5

        SHA1

        06abdcc5cd7a9d609a3bd9512dafd3163077e9be

        SHA256

        668e10c4ae8d561d04755f325d0ccddd8d7a0d153ba97677d022c8371c7151f3

        SHA512

        056f57fb878c467ad2c23bf6f5a06f419e9d9c56bd87c7531c84f9f61b502d83a8e12d2c8079fcde3a2d7f162d1435a4938eb94acaeca2928bba89a2367de4e7

      • memory/2864-47-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3284-48-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/5012-3-0x0000000000400000-0x0000000000403000-memory.dmp

        Filesize

        12KB