Analysis

  • max time kernel
    300s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2024 22:28

General

  • Target

    d248ac0df52d36cca68053a1a361f864e8b9b83994475df0ae5f35ee1f7c5feb.exe

  • Size

    253KB

  • MD5

    e8ef7a38069b6dd41d3aaa5f56a12ed3

  • SHA1

    5adfdfb6cce9e7e567a9708d9cf7eb03dbaee2c5

  • SHA256

    d248ac0df52d36cca68053a1a361f864e8b9b83994475df0ae5f35ee1f7c5feb

  • SHA512

    d811410d383c893fb6139f4e02dbeaf2c5538eaceed4b5bbc2a8745a43ee9ed5b1582ba2f4381e9412ebf09d6373a2862386d09b536dc09816418c313466fd37

  • SSDEEP

    3072:Se2JURFLNtsfZehN+ZEmJiiet+xTHs+mjKbqHZTrdgGD6pMGKgD9RUacmwgvXF/O:SPiLNE2N6JGKA9dgGDvfacmwgdDwwa

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: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 61 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:\Users\Admin\AppData\Local\Temp\d248ac0df52d36cca68053a1a361f864e8b9b83994475df0ae5f35ee1f7c5feb.exe
    "C:\Users\Admin\AppData\Local\Temp\d248ac0df52d36cca68053a1a361f864e8b9b83994475df0ae5f35ee1f7c5feb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Users\Admin\AppData\Local\Temp\d248ac0df52d36cca68053a1a361f864e8b9b83994475df0ae5f35ee1f7c5feb.exe
      "C:\Users\Admin\AppData\Local\Temp\d248ac0df52d36cca68053a1a361f864e8b9b83994475df0ae5f35ee1f7c5feb.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2028
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Deletes itself
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Temp\5976.exe
      C:\Users\Admin\AppData\Local\Temp\5976.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:2628
      • 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:2664
        • C:\Users\Admin\AppData\Local\Temp\35cu5i1u51_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:1660
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\35CU5I~1.EXE" /RL HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:1168
          • 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:1432
    • C:\Users\Admin\AppData\Local\Temp\69AC.exe
      C:\Users\Admin\AppData\Local\Temp\69AC.exe
      2⤵
      • Executes dropped EXE
      PID:2600
  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1344
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:1300

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\35cu5i1u51_1.exe

        Filesize

        260KB

        MD5

        f0fd8c5efe5acc90c91dede6ffadac77

        SHA1

        9f2f5992aa3be3c6a71ddc65a7b472daea97836c

        SHA256

        b93155d94284681590cba0dbac83eb20640c26be8dd25ebd1d822bd0be3e7f9e

        SHA512

        a2a313b3ce026a985a2ffd53a051f42f070b2a944866fb5bbf73cc0a5df32919cba7c818f091050367fe83897f5e5fec7d8a2050095d52aa538c58fe29d432f4

      • C:\Users\Admin\AppData\Local\Temp\5976.exe

        Filesize

        226KB

        MD5

        afdbbb8da43de64aefb62b35a85a75c9

        SHA1

        fca9b8d20efa891633e98d480b43d816e47a5702

        SHA256

        e94dc64b12dde59a03b4def052a2093186a41a3a7de592d4655420e51d1a7113

        SHA512

        5697b6de086c03f4a246766cee616642ac971c504ccf3a3f3c065ba228244f7f1fae8fe5b9ff0556bf9ee1d75285cfd28289b1f0f1279da1e8d67733dcf9c894

      • C:\Users\Admin\AppData\Local\Temp\5976.exe

        Filesize

        243KB

        MD5

        8be8433c05dfc862e1232f995c55a9cd

        SHA1

        17dcef0662e3a18521157372c476a0f0a23eab34

        SHA256

        2df2a1ffb6bfc16cede14735a8e600caa2ccb04c256096fec97ff6e2c5c0a612

        SHA512

        36f086db70640fb7fdb94fd203f762d63d6da18253965ff370ae3184c700dd9534b23807737df9ab807d98dce4bdee4d40116f69f477f67c379b352b0f1b3960

      • C:\Users\Admin\AppData\Local\Temp\5976.exe

        Filesize

        56KB

        MD5

        4f79d7583099a0c14bb1492eb174dd06

        SHA1

        03dc88bd428d386b98239ad2514860af192f4fa6

        SHA256

        91c04830de6f599c114b87751101f9f974a905fe61eacbd053bff9312768f32d

        SHA512

        b6272e0256d2fc258972e22e1c815f4e3f5654ea776a70500b89d3d443062766a9a44e22118ced671640d20fb95cbe01984c8810fb69d7310e1ba074c4dcb2d0

      • C:\Users\Admin\AppData\Local\Temp\69AC.exe

        Filesize

        173KB

        MD5

        4b28f36d53b1e517a510d3671b813465

        SHA1

        be6fa1be63136544bca8e526c471c7d819b36c7f

        SHA256

        35be2759bbe11e7dd8901c1c42247ec9912361c965c11cac0531f51ad9af30b3

        SHA512

        b0f177d5d6ea1cfb3833258a2fc0e8a5683607cae25b7047efcc1c2a89cf79d5b93aa09bf6365c4f9f4a0d73407e9b5b43595e63be53eeb9d6d764f44d5f2a86

      • C:\Users\Admin\AppData\Local\Temp\69AC.exe

        Filesize

        85KB

        MD5

        27ed0042688857d576b840e74cf1ce04

        SHA1

        bf25a31a47d522fbf0cfb7b183903cab93730a1f

        SHA256

        9f8c59e29cb0eabf36aa9c4ad036760d3d4682fca871f9698277cd18de2cbba7

        SHA512

        6753b763377ea13702c3051afe03fb864eb10f6e7114f464c58db46248f4dff344c5fd5a15dff6626a45b3fa4f841b760e245a94a74eccfb8358d34c606766e8

      • C:\Users\Admin\AppData\Local\Temp\69AC.exe

        Filesize

        184KB

        MD5

        3e6cab26f522fe1f752c917c3c31540b

        SHA1

        6989ad674f6b234fc2fccf9784b44d4251d478f0

        SHA256

        329f875353a5f076518db0e137a62a61f9a12ae52f82a6843de910edd898d095

        SHA512

        21a91a701b680dc85c7abf9fdeb8c524cfb34721f7a4fa959b16ceb516b2dfe36b85cb946b20ea8a94f3ab3a1c88d0d5229659673091c4bcac443a830d604ff6

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

        Filesize

        253KB

        MD5

        e8ef7a38069b6dd41d3aaa5f56a12ed3

        SHA1

        5adfdfb6cce9e7e567a9708d9cf7eb03dbaee2c5

        SHA256

        d248ac0df52d36cca68053a1a361f864e8b9b83994475df0ae5f35ee1f7c5feb

        SHA512

        d811410d383c893fb6139f4e02dbeaf2c5538eaceed4b5bbc2a8745a43ee9ed5b1582ba2f4381e9412ebf09d6373a2862386d09b536dc09816418c313466fd37

      • \Users\Admin\AppData\Local\Temp\35cu5i1u51_1.exe

        Filesize

        167KB

        MD5

        3c6bcc672fe50d583dea28ea82e1067c

        SHA1

        d713f11539929f5ecd568c430e21ea6106738adc

        SHA256

        53c42beac3631aecff4946060e1d12151e35235d7a1fc26aacf8affac8b35f3c

        SHA512

        f118273a52d5ec38196aaa5caa16ac7161d63d6079a7d6c1c0bc4b4cfd83d0c40c5e81c6f0f01ad46016e13e96c213326dd423de9d1348c994151452c023bb18

      • memory/1300-76-0x0000000077581000-0x0000000077582000-memory.dmp

        Filesize

        4KB

      • memory/1380-97-0x0000000002500000-0x0000000002501000-memory.dmp

        Filesize

        4KB

      • memory/1380-7-0x0000000002530000-0x0000000002546000-memory.dmp

        Filesize

        88KB

      • memory/1380-57-0x0000000002550000-0x0000000002556000-memory.dmp

        Filesize

        24KB

      • memory/1380-54-0x0000000077581000-0x0000000077582000-memory.dmp

        Filesize

        4KB

      • memory/1432-103-0x0000000000700000-0x0000000000766000-memory.dmp

        Filesize

        408KB

      • memory/1432-107-0x0000000000090000-0x000000000009B000-memory.dmp

        Filesize

        44KB

      • memory/1432-106-0x0000000000700000-0x0000000000765000-memory.dmp

        Filesize

        404KB

      • memory/1432-102-0x0000000000700000-0x0000000000766000-memory.dmp

        Filesize

        408KB

      • memory/1660-90-0x0000000000360000-0x00000000003C6000-memory.dmp

        Filesize

        408KB

      • memory/1660-89-0x0000000000360000-0x00000000003C6000-memory.dmp

        Filesize

        408KB

      • memory/1660-110-0x0000000000360000-0x00000000003C6000-memory.dmp

        Filesize

        408KB

      • memory/1660-111-0x00000000003D0000-0x00000000003D6000-memory.dmp

        Filesize

        24KB

      • memory/1660-109-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/1660-94-0x0000000002510000-0x000000000251C000-memory.dmp

        Filesize

        48KB

      • memory/1660-93-0x0000000000360000-0x00000000003C6000-memory.dmp

        Filesize

        408KB

      • memory/1660-92-0x00000000003D0000-0x00000000003D6000-memory.dmp

        Filesize

        24KB

      • memory/2028-5-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/2028-6-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/2028-8-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/2028-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2448-2-0x0000000000530000-0x0000000000630000-memory.dmp

        Filesize

        1024KB

      • memory/2448-3-0x0000000000220000-0x0000000000229000-memory.dmp

        Filesize

        36KB

      • memory/2600-105-0x0000000000250000-0x00000000007E6000-memory.dmp

        Filesize

        5.6MB

      • memory/2600-64-0x0000000000250000-0x00000000007E6000-memory.dmp

        Filesize

        5.6MB

      • memory/2628-22-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2628-30-0x0000000000640000-0x000000000064C000-memory.dmp

        Filesize

        48KB

      • memory/2628-47-0x0000000000630000-0x0000000000631000-memory.dmp

        Filesize

        4KB

      • memory/2628-24-0x0000000000290000-0x0000000000291000-memory.dmp

        Filesize

        4KB

      • memory/2628-23-0x0000000000360000-0x00000000003C6000-memory.dmp

        Filesize

        408KB

      • memory/2628-25-0x00000000002A0000-0x00000000002AD000-memory.dmp

        Filesize

        52KB

      • memory/2628-48-0x0000000000360000-0x00000000003C6000-memory.dmp

        Filesize

        408KB

      • memory/2628-26-0x0000000000360000-0x00000000003C6000-memory.dmp

        Filesize

        408KB

      • memory/2628-28-0x0000000077720000-0x0000000077721000-memory.dmp

        Filesize

        4KB

      • memory/2628-29-0x0000000000410000-0x0000000000411000-memory.dmp

        Filesize

        4KB

      • memory/2628-31-0x0000000000360000-0x00000000003C6000-memory.dmp

        Filesize

        408KB

      • memory/2664-51-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-33-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-68-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-67-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-70-0x0000000002550000-0x0000000002556000-memory.dmp

        Filesize

        24KB

      • memory/2664-69-0x00000000001A0000-0x0000000000264000-memory.dmp

        Filesize

        784KB

      • memory/2664-72-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-71-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-74-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-73-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-75-0x00000000001A0000-0x0000000000264000-memory.dmp

        Filesize

        784KB

      • memory/2664-65-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-77-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-56-0x00000000001A0000-0x0000000000264000-memory.dmp

        Filesize

        784KB

      • memory/2664-87-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-53-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-52-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-34-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-50-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-66-0x0000000000420000-0x0000000000426000-memory.dmp

        Filesize

        24KB

      • memory/2664-49-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-35-0x00000000001A0000-0x0000000000264000-memory.dmp

        Filesize

        784KB

      • memory/2664-95-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-38-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-101-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-39-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-41-0x00000000001A0000-0x0000000000264000-memory.dmp

        Filesize

        784KB

      • memory/2664-44-0x0000000002370000-0x000000000237C000-memory.dmp

        Filesize

        48KB

      • memory/2664-45-0x00000000001A0000-0x0000000000264000-memory.dmp

        Filesize

        784KB

      • memory/2664-42-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-40-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-37-0x0000000000420000-0x0000000000426000-memory.dmp

        Filesize

        24KB

      • memory/2664-36-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-112-0x0000000002550000-0x0000000002556000-memory.dmp

        Filesize

        24KB

      • memory/2664-114-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-115-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-116-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2664-117-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB