Analysis

  • max time kernel
    152s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2024 05:34

General

  • Target

    toolspub2(1).exe

  • Size

    206KB

  • MD5

    2a62ea99f6e89fb1bcf249917cc87bfc

  • SHA1

    c5640703e1ed6276babbef5102dc247aaf3c17c8

  • SHA256

    ecbaeab79bb9ff98c691ffddfd29e59282af48d48a87fbe20cb94dc83c1c89f3

  • SHA512

    0a07d8b63555871cc339397ecad4e27cb0f75bf11ef66ac0c1070e06336a45936af70140f71bc635a01a218531955a6000906d4250d138ce09781c7e79717566

  • SSDEEP

    3072:Yp/htLJYeiJiiKnTa0/WxCExkGB4wYxRfHVvBL2A:+TLJYehe0/W8Qjn

Malware Config

Extracted

Family

smokeloader

Botnet

up3

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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1216
    • 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:1244
      • C:\Users\Admin\AppData\Local\Temp\toolspub2(1).exe
        "C:\Users\Admin\AppData\Local\Temp\toolspub2(1).exe"
        2⤵
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:2052
      • C:\Users\Admin\AppData\Local\Temp\32C.exe
        C:\Users\Admin\AppData\Local\Temp\32C.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:2564
        • 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:2364
          • C:\Users\Admin\AppData\Local\Temp\5a1579931_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:272
            • 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:2292
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\5A1579~1.EXE" /RL HIGHEST
              5⤵
              • Creates scheduled task(s)
              PID:1848
      • C:\Users\Admin\AppData\Local\Temp\F2E.exe
        C:\Users\Admin\AppData\Local\Temp\F2E.exe
        2⤵
        • Executes dropped EXE
        PID:2848
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:524

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\32C.exe

        Filesize

        360KB

        MD5

        80c413180b6bd0dd664adc4e0665b494

        SHA1

        e791e4a3391fc6b7bcb58399cd4fa3c52a06b940

        SHA256

        6d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880

        SHA512

        347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a

      • C:\Users\Admin\AppData\Local\Temp\F2E.exe

        Filesize

        120KB

        MD5

        89b17c3cfb45e28950e0da19080bd108

        SHA1

        811186a971c1ddb1a6cb95eb4c740a010c257a35

        SHA256

        4db314572b6d4277c5f568e86696bea57cbdce4242e8599bda987e042aefb19e

        SHA512

        4fd90e2c5b0593f0270a30f4868a40b82006df22b951635f4d25e13ec4a7f75d1365930e249166a6418afe4c2b44b6c7ce66f5170ae0ae2bffca459f8d93ced0

      • C:\Users\Admin\AppData\Local\Temp\F2E.exe

        Filesize

        159KB

        MD5

        969759d019cfab7f7894cb6e2fb6295a

        SHA1

        91bf87b22a9ebc6b9c5318b38b8556d3cdebbe13

        SHA256

        d70edc090261c46eb3c546021688b810d270395c28faffa4ae71a66f7bbdc482

        SHA512

        953ec63245c665a9c22493a90184988318f53d92c2abc5333947be674d42c6d4b4901298ca54ddf2e06cb2dd4dcb39ee2ae2d6bd71c274e5a4cbd5b0e394d158

      • C:\Users\Admin\AppData\Local\Temp\F2E.exe

        Filesize

        163KB

        MD5

        00da01bf6a9d4a1e58a3d4291fe22c2a

        SHA1

        3739b9ddb2f53a9d4c99ea811bac400889ae326b

        SHA256

        bcf08ec481a57c039bf5f7eec8d7dedfbc2dfab6eaf2b5ece3ec8d0d5258286e

        SHA512

        10a6676259e54f2b9bb706cb1757c03a9be363dd07642f649e0c76d46c5323be5d9865e93bf2ab8ce282c1b96915174e250c84f11d915761f67a91509fc4b593

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

        Filesize

        206KB

        MD5

        2a62ea99f6e89fb1bcf249917cc87bfc

        SHA1

        c5640703e1ed6276babbef5102dc247aaf3c17c8

        SHA256

        ecbaeab79bb9ff98c691ffddfd29e59282af48d48a87fbe20cb94dc83c1c89f3

        SHA512

        0a07d8b63555871cc339397ecad4e27cb0f75bf11ef66ac0c1070e06336a45936af70140f71bc635a01a218531955a6000906d4250d138ce09781c7e79717566

      • \??\PIPE\samr

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • memory/272-87-0x0000000000360000-0x00000000003C6000-memory.dmp

        Filesize

        408KB

      • memory/272-90-0x00000000003D0000-0x00000000003D6000-memory.dmp

        Filesize

        24KB

      • memory/272-108-0x0000000000360000-0x00000000003C6000-memory.dmp

        Filesize

        408KB

      • memory/272-109-0x00000000003D0000-0x00000000003D6000-memory.dmp

        Filesize

        24KB

      • memory/272-91-0x0000000001E00000-0x0000000001E0C000-memory.dmp

        Filesize

        48KB

      • memory/272-92-0x0000000000360000-0x00000000003C6000-memory.dmp

        Filesize

        408KB

      • memory/272-107-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/524-106-0x00000000778C1000-0x00000000778C2000-memory.dmp

        Filesize

        4KB

      • memory/1244-58-0x00000000778C1000-0x00000000778C2000-memory.dmp

        Filesize

        4KB

      • memory/1244-95-0x0000000002A90000-0x0000000002A91000-memory.dmp

        Filesize

        4KB

      • memory/1244-73-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

        Filesize

        24KB

      • memory/1244-4-0x0000000002AB0000-0x0000000002AC6000-memory.dmp

        Filesize

        88KB

      • memory/2052-5-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/2052-3-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/2052-2-0x0000000000220000-0x0000000000229000-memory.dmp

        Filesize

        36KB

      • memory/2052-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

        Filesize

        1024KB

      • memory/2292-101-0x0000000000F70000-0x0000000000FD6000-memory.dmp

        Filesize

        408KB

      • memory/2292-103-0x0000000000F70000-0x0000000000FD5000-memory.dmp

        Filesize

        404KB

      • memory/2292-104-0x0000000000090000-0x000000000009B000-memory.dmp

        Filesize

        44KB

      • memory/2292-100-0x0000000000F70000-0x0000000000FD6000-memory.dmp

        Filesize

        408KB

      • memory/2364-56-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-71-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-35-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/2364-111-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-29-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-30-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-31-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-53-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-54-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-55-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-99-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-57-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-42-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-59-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-60-0x0000000077870000-0x0000000077A19000-memory.dmp

        Filesize

        1.7MB

      • memory/2364-61-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-62-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-64-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2364-63-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-65-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/2364-66-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-67-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-68-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-69-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-33-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-93-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-43-0x00000000006B0000-0x00000000006BC000-memory.dmp

        Filesize

        48KB

      • memory/2364-72-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2364-74-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-83-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-44-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2364-38-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-32-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2364-39-0x0000000077A50000-0x0000000077BD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2364-40-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2564-21-0x0000000000450000-0x000000000045D000-memory.dmp

        Filesize

        52KB

      • memory/2564-19-0x00000000003E0000-0x0000000000446000-memory.dmp

        Filesize

        408KB

      • memory/2564-70-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

        Filesize

        4KB

      • memory/2564-22-0x0000000077A60000-0x0000000077A61000-memory.dmp

        Filesize

        4KB

      • memory/2564-25-0x0000000000520000-0x0000000000521000-memory.dmp

        Filesize

        4KB

      • memory/2564-23-0x00000000003E0000-0x0000000000446000-memory.dmp

        Filesize

        408KB

      • memory/2564-36-0x00000000003E0000-0x0000000000446000-memory.dmp

        Filesize

        408KB

      • memory/2564-37-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

        Filesize

        4KB

      • memory/2564-26-0x00000000003E0000-0x0000000000446000-memory.dmp

        Filesize

        408KB

      • memory/2564-18-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2564-20-0x0000000000350000-0x0000000000351000-memory.dmp

        Filesize

        4KB

      • memory/2564-27-0x0000000001FF0000-0x0000000001FFC000-memory.dmp

        Filesize

        48KB

      • memory/2848-52-0x00000000002C0000-0x0000000000856000-memory.dmp

        Filesize

        5.6MB

      • memory/2848-88-0x00000000002C0000-0x0000000000856000-memory.dmp

        Filesize

        5.6MB