Analysis

  • max time kernel
    147s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2024 16:24

General

  • Target

    bbd42165fc7bd693cf338c6e1ab0d962727cd8d58cbf9effff3036994db895fc.exe

  • Size

    311KB

  • MD5

    f82f1ffb0d25ac3da34e40c4b9b7a98a

  • SHA1

    e7394070f344a47762f4db7569b3bf7f80ea2a59

  • SHA256

    bbd42165fc7bd693cf338c6e1ab0d962727cd8d58cbf9effff3036994db895fc

  • SHA512

    6f9fb098f2be54c36865ac6428472810031a2d66db91e36be412d3766cb7d5349762190b84e700dcd6a92722a8633f7c24d696358c1bb4aaddd94d511d6627cc

  • SSDEEP

    3072:U8EGKLRYBvIZxOr9tscc50CxPNh4DwU+C1Gr15sEI3pDwFwj0:UljLRlZAtsd50MP4E5q93n

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:1092
    • C:\Users\Admin\AppData\Local\Temp\bbd42165fc7bd693cf338c6e1ab0d962727cd8d58cbf9effff3036994db895fc.exe
      "C:\Users\Admin\AppData\Local\Temp\bbd42165fc7bd693cf338c6e1ab0d962727cd8d58cbf9effff3036994db895fc.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2508
    • C:\Users\Admin\AppData\Local\Temp\6C89.exe
      C:\Users\Admin\AppData\Local\Temp\6C89.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:2936
      • 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:2840
        • C:\Users\Admin\AppData\Local\Temp\59eo71315a7377_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: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\59EO71~1.EXE" /RL HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:2044
          • 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:2036
    • C:\Users\Admin\AppData\Local\Temp\7669.exe
      C:\Users\Admin\AppData\Local\Temp\7669.exe
      2⤵
      • Executes dropped EXE
      PID:1488
  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1060
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:1460

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\59eo71315a7377_1.exe

        Filesize

        63KB

        MD5

        d47d1ec1f317ece0f5a1942cb1203aa0

        SHA1

        d5be41b3c4c1ca40e0301426a846d60381049ced

        SHA256

        2a75438b1388d743cba24a7805245b0822f3be6fd044b88935aa87305be1426e

        SHA512

        5f2822a4064a1ae9578e8aac97fe72a0e779c4962818fff3951cd81f1afd7e7db06d3fc9d8795c0da8970a7495a3863559f111aef6d5698ce7209d37f97beed7

      • C:\Users\Admin\AppData\Local\Temp\6C89.exe

        Filesize

        360KB

        MD5

        80c413180b6bd0dd664adc4e0665b494

        SHA1

        e791e4a3391fc6b7bcb58399cd4fa3c52a06b940

        SHA256

        6d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880

        SHA512

        347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a

      • C:\Users\Admin\AppData\Local\Temp\7669.exe

        Filesize

        195KB

        MD5

        681da0efe270a5b3b416436cc6b40a15

        SHA1

        6348f0fbf02d186984a3d1a8faf254ca294631eb

        SHA256

        c6cb8cdcd168533ecd79a0515840ca2c2b779b317648c991535cd170a343e53f

        SHA512

        fdff4ae9690369d585b5ff2a770332714ec0c5e22bc29ebe874a46b8c19db1b5a65effa3c7afa7583f57253717d0422664b584e3f156cafe0c1b17a30a31ff50

      • C:\Users\Admin\AppData\Local\Temp\7669.exe

        Filesize

        303KB

        MD5

        e375d2ebe2e7ca9847eab83c9855519f

        SHA1

        afad1b02a2e910f1b7780041aaf1064dcb74086c

        SHA256

        fc062ff1232f3b8b04c63e1591949c3d0687d39b00d34c937afdea7730660306

        SHA512

        b548cd0a797c935719b57f8300317b58b239bfc633fd7cc454ee5e00ce0a5ccac4a90623779a99ef7cd0f83627cb60bdda072b5480f0c26dabd99b43892141a6

      • C:\Users\Admin\AppData\Local\Temp\7669.exe

        Filesize

        229KB

        MD5

        eca0c778e2e16894203ba16a1eefde0c

        SHA1

        059c17c3c1426600abe52f59f14759c756ef716b

        SHA256

        6a761b6def8d23a050e89efa587cc87b17c398523b3b706eae0e8efa32a8a42b

        SHA512

        0cee9915323b165240a0b291ac5119412b26a655bd93c2f9b8efc65199740d60d5a4aa42bfcb8b5b657214660ebb10c3d35bc71ebb99106cc5bd1cff831867c2

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

        Filesize

        248KB

        MD5

        840c1fb806386300dda0892955111706

        SHA1

        87577f34db4b8a70787d2e06700f0a73d19135d8

        SHA256

        f0b2f1ce918403a8dbd629a0ecd5152c364a66d6ec51cfd7e246efa2d9a5f931

        SHA512

        ae71c319892e0439b82835704e8198aa24c7eeb82ef7397553c14be0bf55fd827b1acc807aeb8679ea266d702cf2cb1ec50d0e669f2e4ef25439861d8400f61d

      • \Users\Admin\AppData\Local\Temp\59eo71315a7377_1.exe

        Filesize

        60KB

        MD5

        85cee1130c9b7db3612faa39a5ac7069

        SHA1

        68d4f3c38207ac8de05b2986f99a6642f1ac1b79

        SHA256

        ec3007a23348091a0712e7496549eac38b2baf3302321a06979de1a71ad51f05

        SHA512

        2369fd78e943f0480269b75907b09a1c8fd7fc9d59dd423f0670626c48ee0f6a4c27b3bb0b04e3d8f347f1b438836f3234cb89d36c758c4e30fc25aa715dc6b9

      • memory/1092-95-0x00000000024A0000-0x00000000024A1000-memory.dmp

        Filesize

        4KB

      • memory/1092-59-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

        Filesize

        4KB

      • memory/1092-4-0x00000000024C0000-0x00000000024D6000-memory.dmp

        Filesize

        88KB

      • memory/1460-75-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

        Filesize

        4KB

      • memory/1488-91-0x00000000003C0000-0x0000000000956000-memory.dmp

        Filesize

        5.6MB

      • memory/1488-56-0x00000000003C0000-0x0000000000956000-memory.dmp

        Filesize

        5.6MB

      • memory/2036-103-0x0000000000090000-0x000000000009B000-memory.dmp

        Filesize

        44KB

      • memory/2036-100-0x0000000000900000-0x0000000000966000-memory.dmp

        Filesize

        408KB

      • memory/2036-102-0x0000000000900000-0x0000000000965000-memory.dmp

        Filesize

        404KB

      • memory/2036-99-0x0000000000900000-0x0000000000966000-memory.dmp

        Filesize

        408KB

      • memory/2036-108-0x0000000000090000-0x000000000009B000-memory.dmp

        Filesize

        44KB

      • memory/2292-90-0x00000000002C0000-0x0000000000326000-memory.dmp

        Filesize

        408KB

      • memory/2292-86-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/2292-105-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2292-92-0x00000000002C0000-0x0000000000326000-memory.dmp

        Filesize

        408KB

      • memory/2292-89-0x0000000001F00000-0x0000000001F0C000-memory.dmp

        Filesize

        48KB

      • memory/2292-87-0x00000000002C0000-0x0000000000326000-memory.dmp

        Filesize

        408KB

      • memory/2292-85-0x00000000002C0000-0x0000000000326000-memory.dmp

        Filesize

        408KB

      • memory/2292-106-0x00000000002C0000-0x0000000000326000-memory.dmp

        Filesize

        408KB

      • memory/2292-107-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/2508-1-0x0000000000950000-0x0000000000A50000-memory.dmp

        Filesize

        1024KB

      • memory/2508-5-0x0000000000400000-0x0000000000870000-memory.dmp

        Filesize

        4.4MB

      • memory/2508-3-0x0000000000400000-0x0000000000870000-memory.dmp

        Filesize

        4.4MB

      • memory/2508-2-0x0000000000220000-0x0000000000229000-memory.dmp

        Filesize

        36KB

      • memory/2840-34-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-73-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-45-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-46-0x0000000000320000-0x0000000000321000-memory.dmp

        Filesize

        4KB

      • memory/2840-47-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-110-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-58-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-93-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-57-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-60-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-61-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-62-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-63-0x0000000077A70000-0x0000000077C19000-memory.dmp

        Filesize

        1.7MB

      • memory/2840-64-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-65-0x0000000000110000-0x00000000001D4000-memory.dmp

        Filesize

        784KB

      • memory/2840-67-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-66-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-69-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-68-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-70-0x00000000000C0000-0x00000000000C6000-memory.dmp

        Filesize

        24KB

      • memory/2840-71-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-40-0x0000000000330000-0x000000000033C000-memory.dmp

        Filesize

        48KB

      • memory/2840-74-0x0000000000110000-0x00000000001D4000-memory.dmp

        Filesize

        784KB

      • memory/2840-48-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-41-0x0000000000110000-0x00000000001D4000-memory.dmp

        Filesize

        784KB

      • memory/2840-39-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-36-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-37-0x0000000000110000-0x00000000001D4000-memory.dmp

        Filesize

        784KB

      • memory/2840-35-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-29-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-31-0x0000000000110000-0x00000000001D4000-memory.dmp

        Filesize

        784KB

      • memory/2840-33-0x00000000000C0000-0x00000000000C6000-memory.dmp

        Filesize

        24KB

      • memory/2840-32-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-30-0x0000000077C50000-0x0000000077DD1000-memory.dmp

        Filesize

        1.5MB

      • memory/2936-44-0x0000000001CE0000-0x0000000001D46000-memory.dmp

        Filesize

        408KB

      • memory/2936-27-0x0000000001CE0000-0x0000000001D46000-memory.dmp

        Filesize

        408KB

      • memory/2936-22-0x0000000077C60000-0x0000000077C61000-memory.dmp

        Filesize

        4KB

      • memory/2936-26-0x0000000002500000-0x000000000250C000-memory.dmp

        Filesize

        48KB

      • memory/2936-24-0x0000000000640000-0x0000000000641000-memory.dmp

        Filesize

        4KB

      • memory/2936-23-0x0000000001CE0000-0x0000000001D46000-memory.dmp

        Filesize

        408KB

      • memory/2936-21-0x00000000003A0000-0x00000000003AD000-memory.dmp

        Filesize

        52KB

      • memory/2936-20-0x0000000000390000-0x0000000000396000-memory.dmp

        Filesize

        24KB

      • memory/2936-19-0x0000000001CE0000-0x0000000001D46000-memory.dmp

        Filesize

        408KB

      • memory/2936-18-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2936-43-0x0000000000390000-0x0000000000396000-memory.dmp

        Filesize

        24KB