Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12-01-2024 10:48

General

  • Target

    ec88c05e8d2e697b023514bade68e311.exe

  • Size

    256KB

  • MD5

    ec88c05e8d2e697b023514bade68e311

  • SHA1

    c647c59017b6ded3bfb639c5067118ffd3142d58

  • SHA256

    c7cc77635eee4026d68f94cecbd1b92793de6ff0d8506c74b9c3a4bfe0c19541

  • SHA512

    fb66f956d5ec99be95d80dcacc417273e240cd94f9ca666548e5d1ca26234dfc3f8bbdb11631fa08f7f0889867ddb48188d3f9a616ee8aac07d375a7a6be4a7c

  • SSDEEP

    3072:1HfC5wqLWOLlsOS24ZV1TJi9N1K4SummXbjvyhQV+KCydsSzPCRs2JXKYkX8GRk4:VfCjLkZV13ijeQVv356nTcJ

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 4 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 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Deletes itself
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Users\Admin\AppData\Local\Temp\ec88c05e8d2e697b023514bade68e311.exe
      "C:\Users\Admin\AppData\Local\Temp\ec88c05e8d2e697b023514bade68e311.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2040
    • C:\Users\Admin\AppData\Local\Temp\A083.exe
      C:\Users\Admin\AppData\Local\Temp\A083.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:2840
      • 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:2336
        • C:\Users\Admin\AppData\Local\Temp\9ak9wc3qu_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:524
          • 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:1504
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\9AK9WC~1.EXE" /RL HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:840
    • C:\Users\Admin\AppData\Local\Temp\ABF9.exe
      C:\Users\Admin\AppData\Local\Temp\ABF9.exe
      2⤵
      • Executes dropped EXE
      PID:2636
  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1168
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {29B4BE65-5422-48D4-9CFE-5D5CBCA86AF8} S-1-5-21-2444714103-3190537498-3629098939-1000:DJLAPDMX\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Users\Admin\AppData\Roaming\wgfwubc
        C:\Users\Admin\AppData\Roaming\wgfwubc
        2⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: MapViewOfSection
        PID:2688

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\A083.exe

      Filesize

      360KB

      MD5

      80c413180b6bd0dd664adc4e0665b494

      SHA1

      e791e4a3391fc6b7bcb58399cd4fa3c52a06b940

      SHA256

      6d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880

      SHA512

      347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a

    • C:\Users\Admin\AppData\Local\Temp\ABF9.exe

      Filesize

      875KB

      MD5

      a2dc75d87424e3bc0ec786d1178801bd

      SHA1

      57ab3ef1c2864efc6d603476a449a8466d2371d2

      SHA256

      7f2cb86f80e4f1178a2b08d2c22501134ded3caf174b4e62f877e3286b4be4ac

      SHA512

      b1f744b637d30210116eaba4e70106ca29c54e61fd47a5f2929f6ed04d53381401c11c8546d5ec87fbdbb9d4d420da00d9ce25854e23f4f1ea6dba12425cbd97

    • C:\Users\Admin\AppData\Local\Temp\ABF9.exe

      Filesize

      817KB

      MD5

      b0c330e5220d9f9ff7fce60bf9c90164

      SHA1

      df18a2ca7461780784f3492571ff82e484b507a1

      SHA256

      61a3fc1cf524b387c5306cd30d29b0a678e31f81e50bc24b5f8d911b075a9cd2

      SHA512

      3b70ae0fab0751f45e5ac4771a499824dad20b02677154a4dacc30c33e751b8e74fc55071e8e562f911833966dfcd595363b720e90da859a80e9d3f312eced2c

    • C:\Users\Admin\AppData\Local\Temp\ABF9.exe

      Filesize

      691KB

      MD5

      d0a47e053c4f6baccff13f208caa736d

      SHA1

      092ceb74726f2fa00345256e8d7a387d45bc113f

      SHA256

      82766bff8965545e2150baa98f525bbbee4fe144eb611732d158e8e9cd29d6fc

      SHA512

      002ed92af199e6ad7fbd63428faf7fc26e5dd0ffafb1a416a1c42337073adb8f05ae2d198cb6ff3206ed702c36428d5929a0748eae5f1b53fd96f9de66a4e732

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

      Filesize

      256KB

      MD5

      ec88c05e8d2e697b023514bade68e311

      SHA1

      c647c59017b6ded3bfb639c5067118ffd3142d58

      SHA256

      c7cc77635eee4026d68f94cecbd1b92793de6ff0d8506c74b9c3a4bfe0c19541

      SHA512

      fb66f956d5ec99be95d80dcacc417273e240cd94f9ca666548e5d1ca26234dfc3f8bbdb11631fa08f7f0889867ddb48188d3f9a616ee8aac07d375a7a6be4a7c

    • memory/524-87-0x0000000000390000-0x0000000000396000-memory.dmp

      Filesize

      24KB

    • memory/524-86-0x00000000002A0000-0x0000000000306000-memory.dmp

      Filesize

      408KB

    • memory/524-91-0x00000000002A0000-0x0000000000306000-memory.dmp

      Filesize

      408KB

    • memory/524-111-0x0000000000010000-0x000000000006D000-memory.dmp

      Filesize

      372KB

    • memory/524-112-0x00000000002A0000-0x0000000000306000-memory.dmp

      Filesize

      408KB

    • memory/524-113-0x0000000000390000-0x0000000000396000-memory.dmp

      Filesize

      24KB

    • memory/524-89-0x00000000006D0000-0x00000000006DC000-memory.dmp

      Filesize

      48KB

    • memory/524-88-0x00000000002A0000-0x0000000000306000-memory.dmp

      Filesize

      408KB

    • memory/1204-119-0x0000000002B60000-0x0000000002B76000-memory.dmp

      Filesize

      88KB

    • memory/1204-4-0x0000000002B40000-0x0000000002B56000-memory.dmp

      Filesize

      88KB

    • memory/1204-72-0x0000000002210000-0x0000000002216000-memory.dmp

      Filesize

      24KB

    • memory/1204-60-0x0000000077151000-0x0000000077152000-memory.dmp

      Filesize

      4KB

    • memory/1504-106-0x0000000000E80000-0x0000000000EE6000-memory.dmp

      Filesize

      408KB

    • memory/1504-105-0x0000000000E80000-0x0000000000EE6000-memory.dmp

      Filesize

      408KB

    • memory/1504-109-0x0000000000090000-0x000000000009B000-memory.dmp

      Filesize

      44KB

    • memory/1504-108-0x0000000000E80000-0x0000000000EE5000-memory.dmp

      Filesize

      404KB

    • memory/2040-5-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/2040-1-0x0000000000590000-0x0000000000690000-memory.dmp

      Filesize

      1024KB

    • memory/2040-2-0x0000000000220000-0x0000000000229000-memory.dmp

      Filesize

      36KB

    • memory/2040-3-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/2336-37-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-70-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-44-0x0000000000090000-0x0000000000154000-memory.dmp

      Filesize

      784KB

    • memory/2336-103-0x0000000000090000-0x0000000000154000-memory.dmp

      Filesize

      784KB

    • memory/2336-39-0x0000000000090000-0x0000000000154000-memory.dmp

      Filesize

      784KB

    • memory/2336-40-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-38-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-104-0x00000000002A0000-0x00000000002A6000-memory.dmp

      Filesize

      24KB

    • memory/2336-92-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-29-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-55-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-56-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-57-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-58-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-59-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-32-0x0000000000090000-0x0000000000154000-memory.dmp

      Filesize

      784KB

    • memory/2336-61-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-62-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-63-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-64-0x00000000002A0000-0x00000000002A6000-memory.dmp

      Filesize

      24KB

    • memory/2336-65-0x0000000077100000-0x00000000772A9000-memory.dmp

      Filesize

      1.7MB

    • memory/2336-66-0x0000000000090000-0x0000000000154000-memory.dmp

      Filesize

      784KB

    • memory/2336-68-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-67-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-69-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-41-0x0000000000370000-0x000000000037C000-memory.dmp

      Filesize

      48KB

    • memory/2336-71-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-35-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-73-0x0000000000090000-0x0000000000154000-memory.dmp

      Filesize

      784KB

    • memory/2336-74-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-83-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-30-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-31-0x00000000772E0000-0x0000000077461000-memory.dmp

      Filesize

      1.5MB

    • memory/2336-33-0x00000000002A0000-0x00000000002A6000-memory.dmp

      Filesize

      24KB

    • memory/2636-54-0x0000000000230000-0x00000000007C6000-memory.dmp

      Filesize

      5.6MB

    • memory/2636-53-0x0000000000230000-0x00000000007C6000-memory.dmp

      Filesize

      5.6MB

    • memory/2688-117-0x0000000000580000-0x0000000000680000-memory.dmp

      Filesize

      1024KB

    • memory/2688-120-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/2688-118-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/2840-25-0x0000000001D80000-0x0000000001D81000-memory.dmp

      Filesize

      4KB

    • memory/2840-27-0x0000000000290000-0x00000000002F6000-memory.dmp

      Filesize

      408KB

    • memory/2840-24-0x00000000772F0000-0x00000000772F1000-memory.dmp

      Filesize

      4KB

    • memory/2840-36-0x0000000001DA0000-0x0000000001DA1000-memory.dmp

      Filesize

      4KB

    • memory/2840-22-0x0000000000290000-0x00000000002F6000-memory.dmp

      Filesize

      408KB

    • memory/2840-21-0x0000000000450000-0x000000000045D000-memory.dmp

      Filesize

      52KB

    • memory/2840-20-0x0000000000440000-0x0000000000441000-memory.dmp

      Filesize

      4KB

    • memory/2840-19-0x0000000000290000-0x00000000002F6000-memory.dmp

      Filesize

      408KB

    • memory/2840-26-0x0000000002500000-0x000000000250C000-memory.dmp

      Filesize

      48KB

    • memory/2840-43-0x0000000000290000-0x00000000002F6000-memory.dmp

      Filesize

      408KB

    • memory/2840-52-0x0000000000440000-0x0000000000441000-memory.dmp

      Filesize

      4KB

    • memory/2840-18-0x0000000000010000-0x000000000006D000-memory.dmp

      Filesize

      372KB