Analysis

  • max time kernel
    146s
  • max time network
    93s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-07-2022 07:44

General

  • Target

    4c1ada730f928cee566838d44c3af5d571bf82223e54bb38869b76fd94d2ee79.exe

  • Size

    330KB

  • MD5

    7d2696391db0c99e6193bd259cda120a

  • SHA1

    3684d7b78a632ad1c71a3417e15b2a2f6695a5fd

  • SHA256

    4c1ada730f928cee566838d44c3af5d571bf82223e54bb38869b76fd94d2ee79

  • SHA512

    b4b6ccd7fba6177423e353884839828c726d3025f1eeb67f723d6d5cf7efc32c0efe117a054079fbd214d5c858320d6ee4f201ccec431bda81a28e962e2ffaf5

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 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 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\4c1ada730f928cee566838d44c3af5d571bf82223e54bb38869b76fd94d2ee79.exe
        "C:\Users\Admin\AppData\Local\Temp\4c1ada730f928cee566838d44c3af5d571bf82223e54bb38869b76fd94d2ee79.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:860
        • C:\Users\Admin\AppData\Local\Temp\4c1ada730f928cee566838d44c3af5d571bf82223e54bb38869b76fd94d2ee79.exe
          "C:\Users\Admin\AppData\Local\Temp\4c1ada730f928cee566838d44c3af5d571bf82223e54bb38869b76fd94d2ee79.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:1460
          • 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:2036
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:1356

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\monoclinal.dll

          Filesize

          76KB

          MD5

          063157d3b018177821b7ab29e06fb5e8

          SHA1

          1ae389e2710a4e01e47d64fbb24dcb1c83f31cc1

          SHA256

          0d986150b53a81be98e82d7275543549e71df832d978f631ed18c051ae734ebe

          SHA512

          1e5d109306309fc7b27748f35bd9a0e39ee61241478e91675c6381f5bd92af879a5090da00774fc197b352ec10bb0ac0af426c5f7204bb0e3435964f6c20f943

        • \Users\Admin\AppData\Local\Temp\nso1BBD.tmp\System.dll

          Filesize

          11KB

          MD5

          fc90dfb694d0e17b013d6f818bce41b0

          SHA1

          3243969886d640af3bfa442728b9f0dff9d5f5b0

          SHA256

          7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528

          SHA512

          324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

        • memory/860-54-0x00000000763C1000-0x00000000763C3000-memory.dmp

          Filesize

          8KB

        • memory/860-57-0x00000000023E0000-0x00000000023F4000-memory.dmp

          Filesize

          80KB

        • memory/1200-87-0x0000000001D90000-0x0000000001D96000-memory.dmp

          Filesize

          24KB

        • memory/1460-72-0x0000000000280000-0x00000000002E6000-memory.dmp

          Filesize

          408KB

        • memory/1460-75-0x0000000000250000-0x000000000025D000-memory.dmp

          Filesize

          52KB

        • memory/1460-62-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1460-63-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1460-64-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1460-65-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1460-66-0x00000000004015C6-mapping.dmp

        • memory/1460-68-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1460-69-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1460-59-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1460-74-0x0000000000280000-0x00000000002E6000-memory.dmp

          Filesize

          408KB

        • memory/1460-60-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1460-76-0x00000000005D0000-0x00000000005DC000-memory.dmp

          Filesize

          48KB

        • memory/1460-58-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1460-84-0x0000000000280000-0x00000000002E6000-memory.dmp

          Filesize

          408KB

        • memory/1460-83-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/2036-81-0x00000000001A0000-0x000000000025C000-memory.dmp

          Filesize

          752KB

        • memory/2036-82-0x0000000000550000-0x000000000055C000-memory.dmp

          Filesize

          48KB

        • memory/2036-80-0x0000000077690000-0x0000000077810000-memory.dmp

          Filesize

          1.5MB

        • memory/2036-79-0x0000000074BD1000-0x0000000074BD3000-memory.dmp

          Filesize

          8KB

        • memory/2036-85-0x0000000077690000-0x0000000077810000-memory.dmp

          Filesize

          1.5MB

        • memory/2036-86-0x00000000001A0000-0x000000000025C000-memory.dmp

          Filesize

          752KB

        • memory/2036-77-0x0000000000000000-mapping.dmp