Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    14-01-2024 23:07

General

  • Target

    toolspab1.exe

  • Size

    207KB

  • MD5

    6e60f7145b20285790659ed9769b6692

  • SHA1

    8491e703195ac2bd3238a578bdf361a4d7ea1c34

  • SHA256

    446ef80525dac1376b4206100f0c937f358a9f8417a937e2a4d2511dc687bf5a

  • SHA512

    da6b67b788423c79d0cd6375ae1acdab40b8c4abe6b52e9573385542b9d6bb8a6021576ce46d857b7988abe71de029105f192877f7835e6c546010e517b69088

  • SSDEEP

    3072:dXNxnFqcLXdCOck2DLO5L0WhyTFGlU+x4i+nN4P/xjUD:Z3FqcLtL2LM0WhLlU7PO/N+

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
  • Suspicious use of SetThreadContext 1 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: GetForegroundWindowSpam 1 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 61 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Deletes itself
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Users\Admin\AppData\Local\Temp\toolspab1.exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab1.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2096
      • C:\Users\Admin\AppData\Local\Temp\toolspab1.exe
        "C:\Users\Admin\AppData\Local\Temp\toolspab1.exe"
        3⤵
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:2404
    • C:\Users\Admin\AppData\Local\Temp\AF23.exe
      C:\Users\Admin\AppData\Local\Temp\AF23.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:2820
      • 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:2608
        • C:\Users\Admin\AppData\Local\Temp\q5w35cqy_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:2152
          • 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:572
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\q5w35cqy.exe" /RL HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:696
    • C:\Users\Admin\AppData\Local\Temp\BB93.exe
      C:\Users\Admin\AppData\Local\Temp\BB93.exe
      2⤵
      • Executes dropped EXE
      PID:2684
  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1176
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:564

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\AF23.exe

        Filesize

        360KB

        MD5

        80c413180b6bd0dd664adc4e0665b494

        SHA1

        e791e4a3391fc6b7bcb58399cd4fa3c52a06b940

        SHA256

        6d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880

        SHA512

        347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a

      • C:\Users\Admin\AppData\Local\Temp\BB93.exe

        Filesize

        960KB

        MD5

        ea6d20c408541a7440fabe988e8020d4

        SHA1

        3974d24da525cb5a9f9e838287d0059702e52c9a

        SHA256

        d4b3c84af6e0c808970ab0c54320f6842b4aa132f06a681bb51a3c616d38a75c

        SHA512

        df712229de4a479767fe3430632132634c354c0be579a341983526f280d8a7a0e8a3bb84b5e0ac605f6976fc7d2eebe12805a3b2ef8ce99a9b779f0a0438c04f

      • C:\Users\Admin\AppData\Local\Temp\BB93.exe

        Filesize

        5.0MB

        MD5

        af5f9997c64e09a44523ea04be41eec0

        SHA1

        20266d02ac2eee6aa1942b63041e6401c1ec0fb9

        SHA256

        f7c79cf0039836abb8bdcf0157d256dec14f0858f5ce8da03f5a5a83ab15a361

        SHA512

        daabba3f9895c6c9455532511b2779a7d353ff98654031a5362c4911881ffbcb6129f1c0fbcbf37030355ddc302204760e2d2f08706ab9e1baf66b5d83099544

      • C:\Users\Admin\AppData\Local\Temp\BB93.exe

        Filesize

        3.0MB

        MD5

        e7edecdbae06778615d37a14c6851336

        SHA1

        fc7f3c61cbc69c18bf8993dcff7d49eb314a925f

        SHA256

        057b70fcccd410dbf202bad93bbfd456c15de2e135dbed9a8cd1cf5e8c080d9b

        SHA512

        ddc68daded79e9b564ca19bd746223104df1b7fc899221f8ec2adca840034bdc0a51b28e6d0f4cefe578be0a695f5ed5d532269056c7e3165eb3f94c62e8b658

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

        Filesize

        207KB

        MD5

        6e60f7145b20285790659ed9769b6692

        SHA1

        8491e703195ac2bd3238a578bdf361a4d7ea1c34

        SHA256

        446ef80525dac1376b4206100f0c937f358a9f8417a937e2a4d2511dc687bf5a

        SHA512

        da6b67b788423c79d0cd6375ae1acdab40b8c4abe6b52e9573385542b9d6bb8a6021576ce46d857b7988abe71de029105f192877f7835e6c546010e517b69088

      • memory/564-113-0x0000000077151000-0x0000000077152000-memory.dmp

        Filesize

        4KB

      • memory/572-105-0x0000000000610000-0x0000000000676000-memory.dmp

        Filesize

        408KB

      • memory/572-109-0x00000000000D0000-0x00000000000DB000-memory.dmp

        Filesize

        44KB

      • memory/572-108-0x0000000000610000-0x0000000000675000-memory.dmp

        Filesize

        404KB

      • memory/572-106-0x0000000000610000-0x0000000000676000-memory.dmp

        Filesize

        408KB

      • memory/1208-65-0x0000000077151000-0x0000000077152000-memory.dmp

        Filesize

        4KB

      • memory/1208-79-0x0000000002B80000-0x0000000002B86000-memory.dmp

        Filesize

        24KB

      • memory/1208-7-0x0000000002B50000-0x0000000002B66000-memory.dmp

        Filesize

        88KB

      • memory/1208-100-0x0000000002B30000-0x0000000002B31000-memory.dmp

        Filesize

        4KB

      • memory/2096-5-0x0000000000290000-0x0000000000390000-memory.dmp

        Filesize

        1024KB

      • memory/2096-4-0x00000000001B0000-0x00000000001B9000-memory.dmp

        Filesize

        36KB

      • memory/2152-97-0x0000000001C60000-0x0000000001CC6000-memory.dmp

        Filesize

        408KB

      • memory/2152-96-0x0000000001C60000-0x0000000001CC6000-memory.dmp

        Filesize

        408KB

      • memory/2152-92-0x0000000001C60000-0x0000000001CC6000-memory.dmp

        Filesize

        408KB

      • memory/2152-95-0x0000000000230000-0x0000000000236000-memory.dmp

        Filesize

        24KB

      • memory/2152-93-0x0000000001EC0000-0x0000000001ECC000-memory.dmp

        Filesize

        48KB

      • memory/2152-91-0x0000000001C60000-0x0000000001CC6000-memory.dmp

        Filesize

        408KB

      • memory/2152-111-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2152-112-0x0000000000230000-0x0000000000236000-memory.dmp

        Filesize

        24KB

      • memory/2404-6-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/2404-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2404-8-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/2404-3-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/2608-35-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-75-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-116-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-59-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2608-56-0x0000000000680000-0x000000000068C000-memory.dmp

        Filesize

        48KB

      • memory/2608-55-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2608-54-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-45-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-42-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/2608-44-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-60-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-61-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-62-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-63-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-64-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-115-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-66-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-67-0x0000000077100000-0x00000000772A9000-memory.dmp

        Filesize

        1.7MB

      • memory/2608-68-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-69-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-70-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2608-71-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/2608-72-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-73-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-74-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-102-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-76-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-78-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2608-41-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-88-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-39-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2608-90-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2608-98-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-34-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2608-37-0x00000000772E0000-0x0000000077461000-memory.dmp

        Filesize

        1.5MB

      • memory/2684-53-0x0000000000FA0000-0x0000000001536000-memory.dmp

        Filesize

        5.6MB

      • memory/2684-58-0x0000000000FA0000-0x0000000001536000-memory.dmp

        Filesize

        5.6MB

      • memory/2820-26-0x00000000003D0000-0x0000000000436000-memory.dmp

        Filesize

        408KB

      • memory/2820-32-0x00000000003D0000-0x0000000000436000-memory.dmp

        Filesize

        408KB

      • memory/2820-40-0x00000000003D0000-0x0000000000436000-memory.dmp

        Filesize

        408KB

      • memory/2820-30-0x00000000003D0000-0x0000000000436000-memory.dmp

        Filesize

        408KB

      • memory/2820-38-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

        Filesize

        4KB

      • memory/2820-29-0x0000000001FF0000-0x0000000001FFC000-memory.dmp

        Filesize

        48KB

      • memory/2820-28-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

        Filesize

        4KB

      • memory/2820-25-0x0000000000440000-0x0000000000446000-memory.dmp

        Filesize

        24KB

      • memory/2820-23-0x00000000003D0000-0x0000000000436000-memory.dmp

        Filesize

        408KB

      • memory/2820-24-0x0000000000450000-0x000000000045D000-memory.dmp

        Filesize

        52KB

      • memory/2820-22-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2820-43-0x0000000000440000-0x0000000000446000-memory.dmp

        Filesize

        24KB

      • memory/2820-31-0x00000000772F0000-0x00000000772F1000-memory.dmp

        Filesize

        4KB