Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07-07-2022 10:13

General

  • Target

    45fa0aed1db052d2dc31f3d3b1696908f33dd542f76fefbd5774746d64e5f648.exe

  • Size

    308KB

  • MD5

    43328dc39cc24500c5d4b9b735f08332

  • SHA1

    9755de1f71e5fe30b8e9b9b9fb4d9302a4b847ab

  • SHA256

    45fa0aed1db052d2dc31f3d3b1696908f33dd542f76fefbd5774746d64e5f648

  • SHA512

    7c214746fe0d9cecc774324b9ffc13217bd91fbfe3c66cc1a9ec4002d7b8dce1e8e03921a64e01f406cf00f65d21d2f6678aa1c27d2f1d4b3cdb6c77219db08c

Malware Config

Signatures

  • BetaBot

    Beta Bot is a Trojan that infects computers and disables Antivirus.

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • suricata: ET MALWARE Win32/Neurevt.A/Betabot Check-in 4

    suricata: ET MALWARE Win32/Neurevt.A/Betabot Check-in 4

  • Sets file execution options in registry 2 TTPs 4 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
  • Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1264
      • C:\Users\Admin\AppData\Local\Temp\45fa0aed1db052d2dc31f3d3b1696908f33dd542f76fefbd5774746d64e5f648.exe
        "C:\Users\Admin\AppData\Local\Temp\45fa0aed1db052d2dc31f3d3b1696908f33dd542f76fefbd5774746d64e5f648.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1500
        • C:\Users\Admin\AppData\Local\Temp\45fa0aed1db052d2dc31f3d3b1696908f33dd542f76fefbd5774746d64e5f648.exe
          "C:\Users\Admin\AppData\Local\Temp\45fa0aed1db052d2dc31f3d3b1696908f33dd542f76fefbd5774746d64e5f648.exe"
          3⤵
          • Sets file execution options in registry
          • Checks whether UAC is enabled
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: MapViewOfSection
          • Suspicious behavior: RenamesItself
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1840
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            4⤵
            • Modifies firewall policy service
            • Sets file execution options in registry
            • Checks BIOS information in registry
            • Adds Run key to start application
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Checks processor information in registry
            • Enumerates system info in registry
            • Modifies Internet Explorer Protected Mode
            • Modifies Internet Explorer Protected Mode Banner
            • Modifies Internet Explorer settings
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1844
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1208
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:1044
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
          1⤵
            PID:1932

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Persistence

          Modify Existing Service

          1
          T1031

          Registry Run Keys / Startup Folder

          2
          T1060

          Defense Evasion

          Modify Registry

          6
          T1112

          Discovery

          Query Registry

          3
          T1012

          System Information Discovery

          5
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\manufactures.dll
            Filesize

            76KB

            MD5

            063157d3b018177821b7ab29e06fb5e8

            SHA1

            1ae389e2710a4e01e47d64fbb24dcb1c83f31cc1

            SHA256

            0d986150b53a81be98e82d7275543549e71df832d978f631ed18c051ae734ebe

            SHA512

            1e5d109306309fc7b27748f35bd9a0e39ee61241478e91675c6381f5bd92af879a5090da00774fc197b352ec10bb0ac0af426c5f7204bb0e3435964f6c20f943

          • \Users\Admin\AppData\Local\Temp\nsi31.tmp\System.dll
            Filesize

            11KB

            MD5

            fc90dfb694d0e17b013d6f818bce41b0

            SHA1

            3243969886d640af3bfa442728b9f0dff9d5f5b0

            SHA256

            7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528

            SHA512

            324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

          • memory/1264-86-0x0000000002680000-0x0000000002686000-memory.dmp
            Filesize

            24KB

          • memory/1500-54-0x0000000074F91000-0x0000000074F93000-memory.dmp
            Filesize

            8KB

          • memory/1500-57-0x00000000004D0000-0x00000000004E4000-memory.dmp
            Filesize

            80KB

          • memory/1840-71-0x0000000000570000-0x00000000005D6000-memory.dmp
            Filesize

            408KB

          • memory/1840-74-0x0000000000570000-0x00000000005D6000-memory.dmp
            Filesize

            408KB

          • memory/1840-68-0x0000000000400000-0x0000000000435000-memory.dmp
            Filesize

            212KB

          • memory/1840-66-0x00000000004015C6-mapping.dmp
          • memory/1840-65-0x0000000000400000-0x0000000000435000-memory.dmp
            Filesize

            212KB

          • memory/1840-64-0x0000000000400000-0x0000000000435000-memory.dmp
            Filesize

            212KB

          • memory/1840-63-0x0000000000400000-0x0000000000435000-memory.dmp
            Filesize

            212KB

          • memory/1840-62-0x0000000000400000-0x0000000000435000-memory.dmp
            Filesize

            212KB

          • memory/1840-70-0x0000000000400000-0x0000000000435000-memory.dmp
            Filesize

            212KB

          • memory/1840-59-0x0000000000400000-0x0000000000435000-memory.dmp
            Filesize

            212KB

          • memory/1840-75-0x00000000001E0000-0x00000000001ED000-memory.dmp
            Filesize

            52KB

          • memory/1840-60-0x0000000000400000-0x0000000000435000-memory.dmp
            Filesize

            212KB

          • memory/1840-76-0x0000000001DA0000-0x0000000001DAC000-memory.dmp
            Filesize

            48KB

          • memory/1840-73-0x0000000000400000-0x0000000000435000-memory.dmp
            Filesize

            212KB

          • memory/1840-58-0x0000000000400000-0x0000000000435000-memory.dmp
            Filesize

            212KB

          • memory/1840-81-0x0000000000570000-0x00000000005D6000-memory.dmp
            Filesize

            408KB

          • memory/1844-80-0x0000000077030000-0x00000000771B0000-memory.dmp
            Filesize

            1.5MB

          • memory/1844-77-0x0000000000000000-mapping.dmp
          • memory/1844-83-0x0000000000940000-0x000000000094C000-memory.dmp
            Filesize

            48KB

          • memory/1844-82-0x0000000000130000-0x00000000001E7000-memory.dmp
            Filesize

            732KB

          • memory/1844-84-0x0000000077030000-0x00000000771B0000-memory.dmp
            Filesize

            1.5MB

          • memory/1844-85-0x0000000000130000-0x00000000001E7000-memory.dmp
            Filesize

            732KB

          • memory/1844-79-0x0000000074661000-0x0000000074663000-memory.dmp
            Filesize

            8KB