Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2024 05:52

General

  • Target

    00924a49c1fc68fa7b54e1cacdf19c93.exe

  • Size

    235KB

  • MD5

    00924a49c1fc68fa7b54e1cacdf19c93

  • SHA1

    391c74453d3c3a23ebc22e307a6f071bcc818c9e

  • SHA256

    ac78b4ea0e6ae2d971799e6505d937f15276df8f34a509983f423622fed31cf0

  • SHA512

    d1cccc99f3df6cc0676f2a6e86ad9dc1284d6312148f2a389622d50a4469e159122118c14b30462e3e5fac8d54400f08e14948658804905615abf584daf87a67

  • SSDEEP

    3072:RC2zySmwWaXJVCadJizA1KSB2JybTZS5ygptqwldE2fARvSL:RC2m6qaQMlLgpH7YSL

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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 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 FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Users\Admin\AppData\Local\Temp\00924a49c1fc68fa7b54e1cacdf19c93.exe
      "C:\Users\Admin\AppData\Local\Temp\00924a49c1fc68fa7b54e1cacdf19c93.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2024
    • C:\Users\Admin\AppData\Local\Temp\6A95.exe
      C:\Users\Admin\AppData\Local\Temp\6A95.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:2596
      • 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:2628
        • C:\Users\Admin\AppData\Local\Temp\u9y79m1uk_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:2760
          • 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:1560
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\U9Y79M~1.EXE" /RL HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:1564
    • C:\Users\Admin\AppData\Local\Temp\7753.exe
      C:\Users\Admin\AppData\Local\Temp\7753.exe
      2⤵
      • Executes dropped EXE
      PID:2500
  • 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:1900

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\6A95.exe

        Filesize

        360KB

        MD5

        80c413180b6bd0dd664adc4e0665b494

        SHA1

        e791e4a3391fc6b7bcb58399cd4fa3c52a06b940

        SHA256

        6d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880

        SHA512

        347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a

      • C:\Users\Admin\AppData\Local\Temp\6A95.exe

        Filesize

        182KB

        MD5

        2ab9fbcf4de31eb5ff42d45ab0380ccd

        SHA1

        644d34d95c2c337b7837b1493f6ca5c5648b564c

        SHA256

        956c00505f0bcfd35856636100f36029fb509ebdbc03e80a7b13e3b7f1a30aee

        SHA512

        580f84cd71b026f93d5d91ab27003fd0e52d101596a648bdf27b7ed5897496ec41719f0ccf653db4d848e78286838c9cd16debf65d6b31e987c113af8935d3b2

      • C:\Users\Admin\AppData\Local\Temp\7753.exe

        Filesize

        17KB

        MD5

        9509cb5eb0f624b3a916c33d5371c856

        SHA1

        d097ce34952ce005bbea556a92da6ff532d60f36

        SHA256

        40442a3ec24076984d76911a67dc27d7d8050fc9807fb7b09c720b5064e0ef19

        SHA512

        f3626a10498b41fa70578a8316e93ada4ba039073c6e1773baf1a502dc71aba2100fab41da37dff3cf68cd665cda462db97c4ce28dce19b169cd68995318c9cd

      • C:\Users\Admin\AppData\Local\Temp\7753.exe

        Filesize

        1KB

        MD5

        350e4003ef18942c96d982621a05286d

        SHA1

        77e3608787ea00b65656622a170722a3c1506977

        SHA256

        27f7c2bdb5136c46b8430b1af9b11a2ff0d936a7266ee845199e9ee27e572dbc

        SHA512

        60f9259ee5eb2487e6af46707c31ad4282927518211ee4fcd11e1ce9fb44c7731b1864f9079722f4302fd557a8eb8c7cf171618d095c29daf18c3ba31cf9d8a5

      • C:\Users\Admin\AppData\Local\Temp\7753.exe

        Filesize

        54KB

        MD5

        661b6b7f313553d07ef148a1efd52ec5

        SHA1

        ac5311deed9d2af447f88513c596b26eede43637

        SHA256

        d77b040ef19b3af4f2bb8913810f096bd3afa5dbc0666b0d9a9297aa7e5f0fad

        SHA512

        82db9a17dc6bd113259b8d08b411deda2b4e47805bb600f6570d845dd4da86b625da01d38a6ee28715efed817cf8c6491e5a55d4ff8ec07859994f9486c36aca

      • C:\Users\Admin\AppData\Local\Temp\u9y79m1uk_1.exe

        Filesize

        74KB

        MD5

        f1dd265060598b85b104fb5bbc34a1ac

        SHA1

        0f9aee059032b88068456517ed5952371adf3caf

        SHA256

        21cc703d3ab4fcf0ae1772715629437803511e912becd2cfb3cc15822360135e

        SHA512

        06916fb14f99189cbc548d402508ec3e00d4bcba66b25ee2d227a3cbecefaf7b7c9cadc656cc71a711a74af8ae90df794360a338f2bc406d24ce3f8b330e8294

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

        Filesize

        192KB

        MD5

        e19f86ee40f91df0d250708af41193ad

        SHA1

        d6dc1012d8b64b16b179632c2691515955108f38

        SHA256

        b1235cfd81c6efea281f34f97d69b7b214e462cc287bccfeb2cdab414a9eefcc

        SHA512

        8e653e5196492e808183f9ebbd01f2fa06b43fdbfafe4f7e595db17d23ea3e76ac75554b9045f25c64bcdc9de41fa08eecaecd68b89691edd647469434f13401

      • \Users\Admin\AppData\Local\Temp\u9y79m1uk_1.exe

        Filesize

        51KB

        MD5

        5b9b3f67efc4d8b05381c28ad310a9ad

        SHA1

        321cb92af94c0cb8bad1e1a11120ebd605be8ce4

        SHA256

        36236010984e614e3b5a41801ad4d982c1f9a428e0d87d6cecbec8c9d8167c69

        SHA512

        17807532840153e8d744b21e7109c87901d1778c80756e147070ebd02c4d1ae4f194de7fa721441783b082112526ee44bdd4bf0f9bb9166b5e46667c664db8c0

      • memory/1204-58-0x0000000077431000-0x0000000077432000-memory.dmp

        Filesize

        4KB

      • memory/1204-4-0x0000000002D60000-0x0000000002D76000-memory.dmp

        Filesize

        88KB

      • memory/1204-70-0x00000000025B0000-0x00000000025B6000-memory.dmp

        Filesize

        24KB

      • memory/1204-93-0x0000000002B30000-0x0000000002B31000-memory.dmp

        Filesize

        4KB

      • memory/1560-98-0x0000000000190000-0x00000000001F6000-memory.dmp

        Filesize

        408KB

      • memory/1560-101-0x00000000000D0000-0x00000000000DB000-memory.dmp

        Filesize

        44KB

      • memory/1560-99-0x0000000000190000-0x00000000001F6000-memory.dmp

        Filesize

        408KB

      • memory/1560-102-0x0000000000190000-0x00000000001F5000-memory.dmp

        Filesize

        404KB

      • memory/1900-75-0x0000000077431000-0x0000000077432000-memory.dmp

        Filesize

        4KB

      • memory/2024-3-0x0000000000400000-0x000000000043E000-memory.dmp

        Filesize

        248KB

      • memory/2024-5-0x0000000000400000-0x000000000043E000-memory.dmp

        Filesize

        248KB

      • memory/2024-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

        Filesize

        1024KB

      • memory/2024-2-0x0000000000220000-0x0000000000229000-memory.dmp

        Filesize

        36KB

      • memory/2500-55-0x0000000000E00000-0x0000000001396000-memory.dmp

        Filesize

        5.6MB

      • memory/2596-26-0x0000000000600000-0x000000000060C000-memory.dmp

        Filesize

        48KB

      • memory/2596-20-0x0000000000290000-0x0000000000296000-memory.dmp

        Filesize

        24KB

      • memory/2596-19-0x0000000000510000-0x0000000000576000-memory.dmp

        Filesize

        408KB

      • memory/2596-21-0x00000000002A0000-0x00000000002AD000-memory.dmp

        Filesize

        52KB

      • memory/2596-18-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2596-27-0x0000000000510000-0x0000000000576000-memory.dmp

        Filesize

        408KB

      • memory/2596-22-0x0000000000510000-0x0000000000576000-memory.dmp

        Filesize

        408KB

      • memory/2596-45-0x0000000000290000-0x0000000000296000-memory.dmp

        Filesize

        24KB

      • memory/2596-46-0x0000000000510000-0x0000000000576000-memory.dmp

        Filesize

        408KB

      • memory/2596-24-0x00000000775D0000-0x00000000775D1000-memory.dmp

        Filesize

        4KB

      • memory/2596-25-0x0000000000590000-0x0000000000591000-memory.dmp

        Filesize

        4KB

      • memory/2628-36-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-74-0x00000000001D0000-0x0000000000294000-memory.dmp

        Filesize

        784KB

      • memory/2628-44-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-43-0x00000000003D0000-0x00000000003D1000-memory.dmp

        Filesize

        4KB

      • memory/2628-56-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-57-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-29-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-59-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-61-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-60-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-62-0x00000000773E0000-0x0000000077589000-memory.dmp

        Filesize

        1.7MB

      • memory/2628-64-0x00000000001D0000-0x0000000000294000-memory.dmp

        Filesize

        784KB

      • memory/2628-63-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-66-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-65-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-67-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-68-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-31-0x00000000001D0000-0x0000000000294000-memory.dmp

        Filesize

        784KB

      • memory/2628-69-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/2628-71-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-39-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-47-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-73-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-84-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-108-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-30-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-33-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/2628-35-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-40-0x00000000003E0000-0x00000000003EC000-memory.dmp

        Filesize

        48KB

      • memory/2628-41-0x00000000001D0000-0x0000000000294000-memory.dmp

        Filesize

        784KB

      • memory/2628-32-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-91-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-34-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-97-0x00000000775C0000-0x0000000077741000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-37-0x00000000001D0000-0x0000000000294000-memory.dmp

        Filesize

        784KB

      • memory/2760-86-0x0000000001C90000-0x0000000001CF6000-memory.dmp

        Filesize

        408KB

      • memory/2760-88-0x0000000001C90000-0x0000000001CF6000-memory.dmp

        Filesize

        408KB

      • memory/2760-89-0x0000000000230000-0x0000000000236000-memory.dmp

        Filesize

        24KB

      • memory/2760-106-0x0000000000230000-0x0000000000236000-memory.dmp

        Filesize

        24KB

      • memory/2760-105-0x0000000001C90000-0x0000000001CF6000-memory.dmp

        Filesize

        408KB

      • memory/2760-104-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2760-90-0x0000000001E00000-0x0000000001E0C000-memory.dmp

        Filesize

        48KB