Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    09-01-2024 20:56

General

  • Target

    file.exe

  • Size

    312KB

  • MD5

    3ed9f2c6339d6513940c15d4a58378af

  • SHA1

    bd75e9514537bb38e9ba648c92a837e7d8d7b66d

  • SHA256

    dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb

  • SHA512

    530d1c04fd3acc0a35b54221ae5e25b4ab02fdf656bfda516bab009e94f292cffec83a8480cf95c3bacddc295a845206e6409658c837c3c78f0d1aca5cdf8036

  • SSDEEP

    6144:V6xELH+Ym/eqLhvhXfRWK4Pg343g77ji:cxEL+HeqLh2K45QX

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • BetaBot

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

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Disables taskbar notifications via registry modification
  • Disables use of System Restore points 1 TTPs
  • Sets file execution options in registry 2 TTPs 20 IoCs
  • Sets service image path in registry 2 TTPs 1 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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks for any installed AV software in registry 1 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
  • NSIS installer 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • 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
  • NTFS ADS 2 IoCs
  • Runs regedit.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 60 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1228
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Deletes itself
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1264
      • C:\Users\Admin\AppData\Local\Temp\file.exe
        "C:\Users\Admin\AppData\Local\Temp\file.exe"
        2⤵
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:3036
      • C:\Users\Admin\AppData\Local\Temp\2971.exe
        C:\Users\Admin\AppData\Local\Temp\2971.exe
        2⤵
        • Sets file execution options in registry
        • Executes dropped EXE
        • 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:2612
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          3⤵
          • Modifies firewall policy service
          • Sets file execution options in registry
          • Checks BIOS information in registry
          • Loads dropped DLL
          • 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 Protected Mode
          • Modifies Internet Explorer Protected Mode Banner
          • Modifies Internet Explorer settings
          • NTFS ADS
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2648
          • C:\Users\Admin\AppData\Local\Temp\31y5e9a5_1.exe
            /suac
            4⤵
            • Modifies firewall policy service
            • Sets file execution options in registry
            • Executes dropped EXE
            • Checks for any installed AV software 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:2548
            • C:\Windows\SysWOW64\regedit.exe
              "C:\Windows\SysWOW64\regedit.exe"
              5⤵
              • Modifies security service
              • Sets file execution options in registry
              • Sets service image path in registry
              • Runs regedit.exe
              • Suspicious use of AdjustPrivilegeToken
              PID:636
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\31y5e9a5.exe" /RL HIGHEST
              5⤵
              • Creates scheduled task(s)
              PID:2108
      • C:\Users\Admin\AppData\Local\Temp\387F.exe
        C:\Users\Admin\AppData\Local\Temp\387F.exe
        2⤵
        • Executes dropped EXE
        PID:240
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:1964

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\2971.exe

        Filesize

        360KB

        MD5

        80c413180b6bd0dd664adc4e0665b494

        SHA1

        e791e4a3391fc6b7bcb58399cd4fa3c52a06b940

        SHA256

        6d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880

        SHA512

        347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a

      • C:\Users\Admin\AppData\Local\Temp\387F.exe

        Filesize

        3.9MB

        MD5

        3dcc9cc46c7ec7af454b3db9e6004cf4

        SHA1

        12e15b16eba83e323d3fd461a8c832392132ad7a

        SHA256

        cca6dedd63efa59e9200f633e15debc93b9ad1825bd959045845ef8859eaadb7

        SHA512

        1459a72a11689701d0a2a325475a1405fecc0919583946ead1ac919632fcddc5e11ae1a938b0d97a360a7155d88212e8216890a9ebff7a0625f4dbddaea3a295

      • C:\Users\Admin\AppData\Local\Temp\387F.exe

        Filesize

        5.6MB

        MD5

        f7c6d870f0de20c40388b493d2b315d2

        SHA1

        1b25397776ae0481184f151ec3e608f3b65ac8e6

        SHA256

        4e07a3356bb6ffaa23224884b2ec5d79b6f956acc186475adac89867c0d623d9

        SHA512

        0619a22579ee70745034c547c53180d4319c3dc5db326dfecc275cd3b3025f354a3e6fac093a925611a5e0cca5ff9dbcfbfe246d376bb173829f332b670f5655

      • C:\Users\Admin\AppData\Roaming\rsisjjf

        Filesize

        312KB

        MD5

        3ed9f2c6339d6513940c15d4a58378af

        SHA1

        bd75e9514537bb38e9ba648c92a837e7d8d7b66d

        SHA256

        dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb

        SHA512

        530d1c04fd3acc0a35b54221ae5e25b4ab02fdf656bfda516bab009e94f292cffec83a8480cf95c3bacddc295a845206e6409658c837c3c78f0d1aca5cdf8036

      • memory/240-51-0x0000000001290000-0x0000000001826000-memory.dmp

        Filesize

        5.6MB

      • memory/240-53-0x0000000001290000-0x0000000001826000-memory.dmp

        Filesize

        5.6MB

      • memory/636-106-0x0000000000090000-0x000000000009B000-memory.dmp

        Filesize

        44KB

      • memory/636-97-0x0000000000870000-0x00000000008D6000-memory.dmp

        Filesize

        408KB

      • memory/636-98-0x0000000000870000-0x00000000008D6000-memory.dmp

        Filesize

        408KB

      • memory/636-100-0x0000000000870000-0x00000000008D5000-memory.dmp

        Filesize

        404KB

      • memory/636-101-0x0000000000090000-0x000000000009B000-memory.dmp

        Filesize

        44KB

      • memory/1264-4-0x00000000029B0000-0x00000000029C6000-memory.dmp

        Filesize

        88KB

      • memory/1264-59-0x0000000077911000-0x0000000077912000-memory.dmp

        Filesize

        4KB

      • memory/1264-92-0x00000000026F0000-0x00000000026F1000-memory.dmp

        Filesize

        4KB

      • memory/1964-71-0x0000000077911000-0x0000000077912000-memory.dmp

        Filesize

        4KB

      • memory/2548-103-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2548-86-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/2548-88-0x0000000002510000-0x000000000251C000-memory.dmp

        Filesize

        48KB

      • memory/2548-89-0x0000000001D10000-0x0000000001D76000-memory.dmp

        Filesize

        408KB

      • memory/2548-84-0x0000000001D10000-0x0000000001D76000-memory.dmp

        Filesize

        408KB

      • memory/2548-85-0x0000000001D10000-0x0000000001D76000-memory.dmp

        Filesize

        408KB

      • memory/2548-104-0x0000000001D10000-0x0000000001D76000-memory.dmp

        Filesize

        408KB

      • memory/2548-105-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/2612-21-0x0000000000230000-0x000000000023D000-memory.dmp

        Filesize

        52KB

      • memory/2612-33-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

        Filesize

        4KB

      • memory/2612-34-0x0000000001CB0000-0x0000000001D16000-memory.dmp

        Filesize

        408KB

      • memory/2612-28-0x0000000001CB0000-0x0000000001D16000-memory.dmp

        Filesize

        408KB

      • memory/2612-27-0x0000000001CB0000-0x0000000001D16000-memory.dmp

        Filesize

        408KB

      • memory/2612-26-0x0000000000560000-0x0000000000561000-memory.dmp

        Filesize

        4KB

      • memory/2612-22-0x0000000077AB0000-0x0000000077AB1000-memory.dmp

        Filesize

        4KB

      • memory/2612-24-0x0000000001FF0000-0x0000000001FFC000-memory.dmp

        Filesize

        48KB

      • memory/2612-23-0x0000000001CB0000-0x0000000001D16000-memory.dmp

        Filesize

        408KB

      • memory/2612-20-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

      • memory/2612-19-0x0000000001CB0000-0x0000000001D16000-memory.dmp

        Filesize

        408KB

      • memory/2612-18-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2648-30-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-54-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-57-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-60-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-61-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2648-62-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

      • memory/2648-63-0x00000000778C0000-0x0000000077A69000-memory.dmp

        Filesize

        1.7MB

      • memory/2648-64-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-65-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-66-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2648-67-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-68-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-69-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-70-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-56-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-80-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-55-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-58-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-52-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-43-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2648-41-0x0000000000520000-0x000000000052C000-memory.dmp

        Filesize

        48KB

      • memory/2648-37-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-39-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2648-90-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-40-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-96-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-38-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-36-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-35-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2648-31-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/2648-108-0x0000000077AA0000-0x0000000077C21000-memory.dmp

        Filesize

        1.5MB

      • memory/3036-5-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/3036-3-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/3036-2-0x0000000000220000-0x0000000000229000-memory.dmp

        Filesize

        36KB

      • memory/3036-1-0x0000000000950000-0x0000000000A50000-memory.dmp

        Filesize

        1024KB