Analysis

  • max time kernel
    151s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    10-09-2020 05:45

General

  • Target

    c684fc46858558ec39fbd7500d86ac10.exe

  • Size

    488KB

  • MD5

    c684fc46858558ec39fbd7500d86ac10

  • SHA1

    ca83afe0c8c2ccd7fc9dc0b02b196c5e8b05969f

  • SHA256

    4af7c93f154aff7489fa923d76328ef0ec16027b578b24f1ae40f2172f6e246c

  • SHA512

    447055a81a2ec1804d9820c323f4954e336e785e1df4498198fb04ede0dc13290523ab90cd7e5b0a91dcae7b3cc5daa27923d5a6ccc3704c9fdd65b6607eeced

Malware Config

Signatures

  • BetaBot

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

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Sets file execution options in registry 2 TTPs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 9 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 settings 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of WriteProcessMemory 73 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1180
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1208
        • C:\Users\Admin\AppData\Local\Temp\c684fc46858558ec39fbd7500d86ac10.exe
          "C:\Users\Admin\AppData\Local\Temp\c684fc46858558ec39fbd7500d86ac10.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1420
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32.exe PartiShikari,Hurley
            3⤵
            • Loads dropped DLL
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1768
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe"
              4⤵
              • 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:1588
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                5⤵
                • Modifies firewall policy service
                • Checks BIOS information in registry
                • Adds Run key to start application
                • Drops desktop.ini file(s)
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Checks processor information in registry
                • Enumerates system info in registry
                • Modifies Internet Explorer settings
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1912
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:464

        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

        4
        T1112

        Discovery

        Query Registry

        3
        T1012

        System Information Discovery

        4
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Capercaillie
        • C:\Users\Admin\AppData\Local\Temp\PartiShikari.DLL
        • \Users\Admin\AppData\Local\Temp\PartiShikari.dll
        • memory/464-10-0x000007FEF84F0000-0x000007FEF876A000-memory.dmp
          Filesize

          2.5MB

        • memory/1588-5-0x0000000000000000-mapping.dmp
        • memory/1588-6-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1588-7-0x0000000002400000-0x00000000024B3000-memory.dmp
          Filesize

          716KB

        • memory/1588-8-0x0000000002E10000-0x0000000002F91000-memory.dmp
          Filesize

          1.5MB

        • memory/1768-0-0x0000000000000000-mapping.dmp
        • memory/1768-4-0x00000000002C0000-0x00000000002F5000-memory.dmp
          Filesize

          212KB

        • memory/1912-9-0x0000000000000000-mapping.dmp