Analysis

  • max time kernel
    188s
  • max time network
    214s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 22:46

General

  • Target

    19efed081f95e2d54bd2261580c49e4e0a96378e9ef2ffcb69c48600b41a9768.exe

  • Size

    269KB

  • MD5

    652cff0c8e9559836174208bbc4d30ac

  • SHA1

    1d201e2ba05ea77830bb6d309934efd03870e169

  • SHA256

    19efed081f95e2d54bd2261580c49e4e0a96378e9ef2ffcb69c48600b41a9768

  • SHA512

    1064c866ca2b451dc94d7a609cde8382532ace465150fd4a4205b88ee1e25dc97628bccad0e54a5c6d43d0be00d5aff32be93eeada83f740c4c1528ec6204969

  • SSDEEP

    6144:pAsBZEpJNN/wel76jWJqj4/ZTqUpS4G561nv:spJDH6UhmN56hv

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 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 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 8 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1224
      • C:\Users\Admin\AppData\Local\Temp\19efed081f95e2d54bd2261580c49e4e0a96378e9ef2ffcb69c48600b41a9768.exe
        "C:\Users\Admin\AppData\Local\Temp\19efed081f95e2d54bd2261580c49e4e0a96378e9ef2ffcb69c48600b41a9768.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1356
        • C:\Users\Admin\AppData\Local\Temp\19efed081f95e2d54bd2261580c49e4e0a96378e9ef2ffcb69c48600b41a9768.exe
          "C:\Users\Admin\AppData\Local\Temp\19efed081f95e2d54bd2261580c49e4e0a96378e9ef2ffcb69c48600b41a9768.exe"
          3⤵
          • Sets file execution options in registry
          • Checks whether UAC is enabled
          • Drops desktop.ini file(s)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: MapViewOfSection
          • Suspicious behavior: RenamesItself
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:472
          • 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: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1496
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:924

        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\nso2FCA.tmp\jailhouse.dll
          Filesize

          14KB

          MD5

          8e81330474a400a1dec632839cd89f74

          SHA1

          ebc3941a2ea60b81dab0856354e71febb320d6b6

          SHA256

          a338454b2181d2ec512837415e703edcd25879c0c8caa2f438b1d8eee2440e42

          SHA512

          9223011bf23d135568c74423f6215c6328b07f7edb597ade8411f019e8b4ebe50aec1512fae1c88a01007fab5897aa332c0f18702fee548986acf3c788189fe9

        • memory/472-70-0x0000000000440000-0x00000000004A0000-memory.dmp
          Filesize

          384KB

        • memory/472-63-0x0000000000400000-0x0000000000432000-memory.dmp
          Filesize

          200KB

        • memory/472-67-0x0000000000400000-0x0000000000432000-memory.dmp
          Filesize

          200KB

        • memory/472-58-0x0000000000400000-0x0000000000432000-memory.dmp
          Filesize

          200KB

        • memory/472-59-0x0000000000400000-0x0000000000432000-memory.dmp
          Filesize

          200KB

        • memory/472-60-0x0000000000400000-0x0000000000432000-memory.dmp
          Filesize

          200KB

        • memory/472-62-0x0000000000400000-0x0000000000432000-memory.dmp
          Filesize

          200KB

        • memory/472-81-0x0000000000440000-0x00000000004A0000-memory.dmp
          Filesize

          384KB

        • memory/472-64-0x00000000004015C6-mapping.dmp
        • memory/472-72-0x0000000000440000-0x00000000004A0000-memory.dmp
          Filesize

          384KB

        • memory/472-57-0x0000000000400000-0x0000000000432000-memory.dmp
          Filesize

          200KB

        • memory/472-56-0x0000000000400000-0x0000000000432000-memory.dmp
          Filesize

          200KB

        • memory/472-66-0x0000000000400000-0x0000000000432000-memory.dmp
          Filesize

          200KB

        • memory/472-73-0x0000000000260000-0x000000000026D000-memory.dmp
          Filesize

          52KB

        • memory/472-74-0x00000000007A0000-0x00000000007AC000-memory.dmp
          Filesize

          48KB

        • memory/472-75-0x0000000000400000-0x0000000000432000-memory.dmp
          Filesize

          200KB

        • memory/1224-83-0x0000000002210000-0x0000000002216000-memory.dmp
          Filesize

          24KB

        • memory/1356-54-0x0000000076AE1000-0x0000000076AE3000-memory.dmp
          Filesize

          8KB

        • memory/1496-78-0x0000000075151000-0x0000000075153000-memory.dmp
          Filesize

          8KB

        • memory/1496-79-0x0000000077C10000-0x0000000077D90000-memory.dmp
          Filesize

          1.5MB

        • memory/1496-80-0x00000000000D0000-0x0000000000177000-memory.dmp
          Filesize

          668KB

        • memory/1496-76-0x0000000000000000-mapping.dmp
        • memory/1496-82-0x00000000003B0000-0x00000000003BC000-memory.dmp
          Filesize

          48KB