Analysis

  • max time kernel
    147s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    14-01-2024 04:01

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 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 3 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\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Deletes itself
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1188
    • 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:2052
    • C:\Users\Admin\AppData\Local\Temp\7964.exe
      C:\Users\Admin\AppData\Local\Temp\7964.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:2568
      • 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:2724
        • C:\Users\Admin\AppData\Local\Temp\19aw33353_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:1804
          • 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:1180
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\19AW33~1.EXE" /RL HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:1240
    • C:\Users\Admin\AppData\Local\Temp\7EA3.exe
      C:\Users\Admin\AppData\Local\Temp\7EA3.exe
      2⤵
      • Executes dropped EXE
      PID:2572
  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1160
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:2132

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7964.exe

        Filesize

        360KB

        MD5

        80c413180b6bd0dd664adc4e0665b494

        SHA1

        e791e4a3391fc6b7bcb58399cd4fa3c52a06b940

        SHA256

        6d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880

        SHA512

        347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a

      • C:\Users\Admin\AppData\Local\Temp\7EA3.exe

        Filesize

        2.4MB

        MD5

        b55fd6c201016f62001b219ca35f2fa2

        SHA1

        452151a33b0cf2951f90a1dca36a85c137e32bb6

        SHA256

        6614ea2144f5f20fe271ab9c26baef4adc41aeb337a466e830c9a00fc5d18ff2

        SHA512

        d6cb9e5d9cf96c6f6e3a0094f40650e856bd8add8449ebe62739ac581dcd4c67dad1a39cd38871427566c095e18b5edcd0ef4e04e82d5d0eb5652beaf2f6f82b

      • C:\Users\Admin\AppData\Local\Temp\7EA3.exe

        Filesize

        2.4MB

        MD5

        7b9c6c967318a4c161998c25b001d118

        SHA1

        5cd51782a45022e4c2ef0b30069a435c812478fd

        SHA256

        bf1a3a1bca7d9a646f23dfed86cea34abb23dde55552dde73624fea040aab4c4

        SHA512

        9470f320977b9e4389cbfc8ae7982834fec1cabf647d690706ba8c975c2c8589411f68a689fabd92db5a5204a913a522ad5d6b679fe566ea4b01c0e5a837efd8

      • C:\Users\Admin\AppData\Local\Temp\7EA3.exe

        Filesize

        1.4MB

        MD5

        7d381eff78f9c785b8dc0b64252f2889

        SHA1

        317e6aca049feaee95f22a4a4ce18f9a2b722c63

        SHA256

        4b93025f1708e4265cd378a029ac7ac6f082eb7fd4edb469c7a40ee0437a28b1

        SHA512

        87c64e9d0b4d9d7cf0b8a9a571c91242141c451ce4a5d541a5691a8212f4e8e0af5e13ca1ba0d6ee8105f71473b79ed7bd84fa0089bf6c524fd6a9a04bede3b0

      • memory/1180-102-0x0000000000CF0000-0x0000000000D55000-memory.dmp

        Filesize

        404KB

      • memory/1180-99-0x0000000000CF0000-0x0000000000D56000-memory.dmp

        Filesize

        408KB

      • memory/1180-100-0x0000000000CF0000-0x0000000000D56000-memory.dmp

        Filesize

        408KB

      • memory/1180-103-0x0000000000090000-0x000000000009B000-memory.dmp

        Filesize

        44KB

      • memory/1188-4-0x0000000002D40000-0x0000000002D56000-memory.dmp

        Filesize

        88KB

      • memory/1188-59-0x00000000771C1000-0x00000000771C2000-memory.dmp

        Filesize

        4KB

      • memory/1188-94-0x0000000002D10000-0x0000000002D11000-memory.dmp

        Filesize

        4KB

      • memory/1804-89-0x0000000001CC0000-0x0000000001D26000-memory.dmp

        Filesize

        408KB

      • memory/1804-85-0x0000000001CC0000-0x0000000001D26000-memory.dmp

        Filesize

        408KB

      • memory/1804-105-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/1804-106-0x0000000000320000-0x0000000000326000-memory.dmp

        Filesize

        24KB

      • memory/1804-107-0x0000000001CC0000-0x0000000001D26000-memory.dmp

        Filesize

        408KB

      • memory/1804-86-0x0000000001CC0000-0x0000000001D26000-memory.dmp

        Filesize

        408KB

      • memory/1804-91-0x0000000001E00000-0x0000000001E0C000-memory.dmp

        Filesize

        48KB

      • memory/1804-88-0x0000000000320000-0x0000000000326000-memory.dmp

        Filesize

        24KB

      • memory/2052-2-0x0000000000230000-0x0000000000239000-memory.dmp

        Filesize

        36KB

      • memory/2052-3-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/2052-5-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/2052-1-0x0000000000530000-0x0000000000630000-memory.dmp

        Filesize

        1024KB

      • memory/2132-72-0x00000000771C1000-0x00000000771C2000-memory.dmp

        Filesize

        4KB

      • memory/2568-46-0x0000000000460000-0x00000000004C6000-memory.dmp

        Filesize

        408KB

      • memory/2568-19-0x0000000000460000-0x00000000004C6000-memory.dmp

        Filesize

        408KB

      • memory/2568-20-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

      • memory/2568-22-0x0000000000230000-0x000000000023D000-memory.dmp

        Filesize

        52KB

      • memory/2568-21-0x0000000000460000-0x00000000004C6000-memory.dmp

        Filesize

        408KB

      • memory/2568-25-0x0000000001DF0000-0x0000000001DFC000-memory.dmp

        Filesize

        48KB

      • memory/2568-18-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2568-24-0x0000000077360000-0x0000000077361000-memory.dmp

        Filesize

        4KB

      • memory/2568-27-0x0000000001DC0000-0x0000000001DC1000-memory.dmp

        Filesize

        4KB

      • memory/2568-26-0x0000000000460000-0x00000000004C6000-memory.dmp

        Filesize

        408KB

      • memory/2572-52-0x0000000000C90000-0x0000000001226000-memory.dmp

        Filesize

        5.6MB

      • memory/2572-45-0x0000000000C90000-0x0000000001226000-memory.dmp

        Filesize

        5.6MB

      • memory/2724-56-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-58-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-57-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-47-0x00000000001B0000-0x0000000000274000-memory.dmp

        Filesize

        784KB

      • memory/2724-60-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-62-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-61-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-63-0x0000000077170000-0x0000000077319000-memory.dmp

        Filesize

        1.7MB

      • memory/2724-64-0x00000000000C0000-0x00000000000C6000-memory.dmp

        Filesize

        24KB

      • memory/2724-66-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-68-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-67-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-65-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-69-0x00000000001B0000-0x0000000000274000-memory.dmp

        Filesize

        784KB

      • memory/2724-70-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-48-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-71-0x00000000001B0000-0x0000000000274000-memory.dmp

        Filesize

        784KB

      • memory/2724-73-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-83-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-53-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-55-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-90-0x00000000001B0000-0x0000000000274000-memory.dmp

        Filesize

        784KB

      • memory/2724-54-0x00000000002A0000-0x00000000002A1000-memory.dmp

        Filesize

        4KB

      • memory/2724-51-0x00000000001B0000-0x0000000000274000-memory.dmp

        Filesize

        784KB

      • memory/2724-50-0x00000000002B0000-0x00000000002BC000-memory.dmp

        Filesize

        48KB

      • memory/2724-92-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-97-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-44-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-35-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-34-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-30-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-32-0x00000000000C0000-0x00000000000C6000-memory.dmp

        Filesize

        24KB

      • memory/2724-33-0x00000000001B0000-0x0000000000274000-memory.dmp

        Filesize

        784KB

      • memory/2724-31-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-29-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB

      • memory/2724-109-0x0000000077350000-0x00000000774D1000-memory.dmp

        Filesize

        1.5MB