Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07-07-2022 11:42

General

  • Target

    458412e9c3954cb35d433c1347dd2349f823f6b92e0f63b19407527c81c5173a.exe

  • Size

    676KB

  • MD5

    8d2bedd39ea94e7fc099b5bf489eb37a

  • SHA1

    fa80956af1e01ef7c0ab1bd984a3da58af64b8a8

  • SHA256

    458412e9c3954cb35d433c1347dd2349f823f6b92e0f63b19407527c81c5173a

  • SHA512

    c9cc02ef277910b51b36505a47d93feeac8d5fbb31c766df547a460c120e0d88863d28a134a423540f96e41066f8f8558b5b2401163c272db892709c8951202a

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

  • Executes dropped EXE 2 IoCs
  • 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.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 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.

  • NSIS installer 10 IoCs
  • 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
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1272
      • C:\Users\Admin\AppData\Local\Temp\458412e9c3954cb35d433c1347dd2349f823f6b92e0f63b19407527c81c5173a.exe
        "C:\Users\Admin\AppData\Local\Temp\458412e9c3954cb35d433c1347dd2349f823f6b92e0f63b19407527c81c5173a.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1668
        • C:\Users\Admin\AppData\Local\Temp\my_pc.exe
          "C:\Users\Admin\AppData\Local\Temp\my_pc.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1968
          • C:\Users\Admin\AppData\Local\Temp\my_pc.exe
            "C:\Users\Admin\AppData\Local\Temp\my_pc.exe"
            4⤵
            • Executes dropped EXE
            • Sets file execution options in registry
            • Checks whether UAC is enabled
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Checks processor information in registry
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2028
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              5⤵
              • 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: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:2000
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 100 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\458412e9c3954cb35d433c1347dd2349f823f6b92e0f63b19407527c81c5173a.exe"& ping 1.1.1.1 -n 1 -w 900 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\458412e9c3954cb35d433c1347dd2349f823f6b92e0f63b19407527c81c5173a.exe"
          3⤵
          • Deletes itself
          • Suspicious use of WriteProcessMemory
          PID:1496
          • C:\Windows\SysWOW64\PING.EXE
            ping 1.1.1.1 -n 1 -w 100
            4⤵
            • Runs ping.exe
            PID:1224
          • C:\Windows\SysWOW64\PING.EXE
            ping 1.1.1.1 -n 1 -w 900
            4⤵
            • Runs ping.exe
            PID:1796
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1236
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:1940

        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

        Remote System Discovery

        1
        T1018

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\my_pc.exe
          Filesize

          429KB

          MD5

          e00e9b1d21625f31c4fb4daaf03fdea7

          SHA1

          750217a7a0c887bdec4b674d74d1509cb156aa2f

          SHA256

          de1d6d75c83bb57e59dbd2100492887c04cfbe80ecf25630b78591d4a5c12708

          SHA512

          acac51d87f55562e11f735c722235cc1acb01bfc144c9900c5b38a875ef0f262892afdf1dd4b439fdcb3af583e31ab75267ff9c307f44acbf4dbe2fafa443e57

        • C:\Users\Admin\AppData\Local\Temp\my_pc.exe
          Filesize

          429KB

          MD5

          e00e9b1d21625f31c4fb4daaf03fdea7

          SHA1

          750217a7a0c887bdec4b674d74d1509cb156aa2f

          SHA256

          de1d6d75c83bb57e59dbd2100492887c04cfbe80ecf25630b78591d4a5c12708

          SHA512

          acac51d87f55562e11f735c722235cc1acb01bfc144c9900c5b38a875ef0f262892afdf1dd4b439fdcb3af583e31ab75267ff9c307f44acbf4dbe2fafa443e57

        • C:\Users\Admin\AppData\Local\Temp\my_pc.exe
          Filesize

          429KB

          MD5

          e00e9b1d21625f31c4fb4daaf03fdea7

          SHA1

          750217a7a0c887bdec4b674d74d1509cb156aa2f

          SHA256

          de1d6d75c83bb57e59dbd2100492887c04cfbe80ecf25630b78591d4a5c12708

          SHA512

          acac51d87f55562e11f735c722235cc1acb01bfc144c9900c5b38a875ef0f262892afdf1dd4b439fdcb3af583e31ab75267ff9c307f44acbf4dbe2fafa443e57

        • \Users\Admin\AppData\Local\Temp\my_pc.exe
          Filesize

          429KB

          MD5

          e00e9b1d21625f31c4fb4daaf03fdea7

          SHA1

          750217a7a0c887bdec4b674d74d1509cb156aa2f

          SHA256

          de1d6d75c83bb57e59dbd2100492887c04cfbe80ecf25630b78591d4a5c12708

          SHA512

          acac51d87f55562e11f735c722235cc1acb01bfc144c9900c5b38a875ef0f262892afdf1dd4b439fdcb3af583e31ab75267ff9c307f44acbf4dbe2fafa443e57

        • \Users\Admin\AppData\Local\Temp\my_pc.exe
          Filesize

          429KB

          MD5

          e00e9b1d21625f31c4fb4daaf03fdea7

          SHA1

          750217a7a0c887bdec4b674d74d1509cb156aa2f

          SHA256

          de1d6d75c83bb57e59dbd2100492887c04cfbe80ecf25630b78591d4a5c12708

          SHA512

          acac51d87f55562e11f735c722235cc1acb01bfc144c9900c5b38a875ef0f262892afdf1dd4b439fdcb3af583e31ab75267ff9c307f44acbf4dbe2fafa443e57

        • \Users\Admin\AppData\Local\Temp\nst1A57.tmp\System.dll
          Filesize

          11KB

          MD5

          3f176d1ee13b0d7d6bd92e1c7a0b9bae

          SHA1

          fe582246792774c2c9dd15639ffa0aca90d6fd0b

          SHA256

          fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

          SHA512

          0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

        • memory/1224-65-0x0000000000000000-mapping.dmp
        • memory/1496-63-0x0000000000000000-mapping.dmp
        • memory/1668-54-0x00000000048A0000-0x000000000492E000-memory.dmp
          Filesize

          568KB

        • memory/1668-64-0x00000000047DA000-0x00000000047EB000-memory.dmp
          Filesize

          68KB

        • memory/1668-56-0x0000000075BA1000-0x0000000075BA3000-memory.dmp
          Filesize

          8KB

        • memory/1668-55-0x0000000004810000-0x000000000489C000-memory.dmp
          Filesize

          560KB

        • memory/1796-67-0x0000000000000000-mapping.dmp
        • memory/1968-58-0x0000000000000000-mapping.dmp
        • memory/1968-66-0x00000000094B0000-0x00000000094E7000-memory.dmp
          Filesize

          220KB

        • memory/1968-71-0x00000000094B0000-0x00000000094E7000-memory.dmp
          Filesize

          220KB

        • memory/2000-82-0x0000000074421000-0x0000000074423000-memory.dmp
          Filesize

          8KB

        • memory/2000-84-0x0000000077050000-0x00000000771D0000-memory.dmp
          Filesize

          1.5MB

        • memory/2000-88-0x00000000001F0000-0x00000000002C5000-memory.dmp
          Filesize

          852KB

        • memory/2000-87-0x0000000077050000-0x00000000771D0000-memory.dmp
          Filesize

          1.5MB

        • memory/2000-85-0x00000000001F0000-0x00000000002C5000-memory.dmp
          Filesize

          852KB

        • memory/2000-86-0x00000000003F0000-0x00000000003FC000-memory.dmp
          Filesize

          48KB

        • memory/2000-80-0x0000000000000000-mapping.dmp
        • memory/2028-79-0x0000000000580000-0x000000000058C000-memory.dmp
          Filesize

          48KB

        • memory/2028-69-0x00000000004015C6-mapping.dmp
        • memory/2028-83-0x0000000001D90000-0x0000000001DF6000-memory.dmp
          Filesize

          408KB

        • memory/2028-73-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/2028-76-0x0000000001D90000-0x0000000001DF6000-memory.dmp
          Filesize

          408KB

        • memory/2028-77-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/2028-78-0x00000000001E0000-0x00000000001ED000-memory.dmp
          Filesize

          52KB

        • memory/2028-74-0x0000000001D90000-0x0000000001DF6000-memory.dmp
          Filesize

          408KB