Analysis

  • max time kernel
    148s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    16-01-2024 06:57

General

  • Target

    4d7e2a4ab9f09783e56841978e10cb46.exe

  • Size

    229KB

  • MD5

    4d7e2a4ab9f09783e56841978e10cb46

  • SHA1

    ce52a86b7e843859f3284954d82ca239fe7e5eaf

  • SHA256

    63719285660c135f9b71eecf5e5da4a4684471b9041dd36d6ee8b7aede2922db

  • SHA512

    6d59e96fe4bc517a9696cb59c215fe6ddbb3f9f122e6f4586b764b4321055c2dc5c69a4a9d851ac7028bebe15dc5d20989bac8f6d4aefffaa2a521fc4d7dd7ea

  • SSDEEP

    3072:znqLS1HySqzJLBdUSJiA/1KvZY4O74WpsvxaEZEkVWRG1XRTNZ/9rkWgl+J:znwFBB74qExaeEAjNZlrk

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:\Users\Admin\AppData\Local\Temp\4d7e2a4ab9f09783e56841978e10cb46.exe
    "C:\Users\Admin\AppData\Local\Temp\4d7e2a4ab9f09783e56841978e10cb46.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2184
  • 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:1372
    • C:\Users\Admin\AppData\Local\Temp\5B3A.exe
      C:\Users\Admin\AppData\Local\Temp\5B3A.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:2568
      • 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:2080
        • C:\Users\Admin\AppData\Local\Temp\1si5wg7uqiym9e_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:2120
          • 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:2636
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\1SI5WG~1.EXE" /RL HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:1592
    • C:\Users\Admin\AppData\Local\Temp\6143.exe
      C:\Users\Admin\AppData\Local\Temp\6143.exe
      2⤵
      • Executes dropped EXE
      PID:2516
  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1328
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:2448

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\5B3A.exe

        Filesize

        360KB

        MD5

        80c413180b6bd0dd664adc4e0665b494

        SHA1

        e791e4a3391fc6b7bcb58399cd4fa3c52a06b940

        SHA256

        6d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880

        SHA512

        347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a

      • C:\Users\Admin\AppData\Local\Temp\5B3A.exe

        Filesize

        37KB

        MD5

        096fedbe3687305f9edb3b35dee12079

        SHA1

        6586f4ed32309757121eb7d30952c6077bd2bf95

        SHA256

        8d949ed447ab91bb55a16ff4135e1cf535eacb5a098b6bb4a1194d486514b733

        SHA512

        f9fe21b4777502970a1388151c6eb4a22069ec2b9aeeddba2ef76bdd4d91ce766b6ca9a2610df8ffe2743b7ecb16d70b712d787fdcd14f008eca325820b27351

      • C:\Users\Admin\AppData\Local\Temp\6143.exe

        Filesize

        121KB

        MD5

        d70043cefba5b66e196f8558a341f53d

        SHA1

        e064f1e4e3fc22492ffa285c981386517548abf6

        SHA256

        53170a64b102a3189aa7325dee52fd3a96de3b0055d5ec53b83e6959dd11f75d

        SHA512

        00971d668bcf655b313342afbb5e2dd304b43491cc0fd11a576d74a77ede917eee3914e3ac7e6c122d8151ffb0e23a8f5c52c27d0e0add4b37785662b0bc044c

      • C:\Users\Admin\AppData\Local\Temp\6143.exe

        Filesize

        94KB

        MD5

        2baf45890e9ba11b090365a6addda576

        SHA1

        0c613d1c7d547bbcd3e796a319038dcf20f5c5dd

        SHA256

        8dd6ff8dc4552a9ad8492201f31f012244010a96e1bde763d626066b8677f707

        SHA512

        91a788833d2aeb368406e54084f3a4956a795b2f46de2e0b0808e8497617787fa6af10afe988c7a5606e965f997c63a9c9e3b3e9b773b93f5d31e27bdb4ad410

      • C:\Users\Admin\AppData\Local\Temp\6143.exe

        Filesize

        133KB

        MD5

        eebdedb47ea5be3242a66ca504d96bbb

        SHA1

        b22b6ef988461032e4e6ad46a6ee627d37ddaed7

        SHA256

        0cced46577663f0e07b3d1a914c6d1bda4d1537aee8a1cf052278015d6399a2a

        SHA512

        d4e80b02a5f59d26d43fd73e7c1dfa0b7430019d03fd3b8b9891377c1f471d8e57b394bf63d016d744aa2328347254d0fec6d49248d5988ee2453623167c7efa

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

        Filesize

        229KB

        MD5

        4d7e2a4ab9f09783e56841978e10cb46

        SHA1

        ce52a86b7e843859f3284954d82ca239fe7e5eaf

        SHA256

        63719285660c135f9b71eecf5e5da4a4684471b9041dd36d6ee8b7aede2922db

        SHA512

        6d59e96fe4bc517a9696cb59c215fe6ddbb3f9f122e6f4586b764b4321055c2dc5c69a4a9d851ac7028bebe15dc5d20989bac8f6d4aefffaa2a521fc4d7dd7ea

      • memory/1372-94-0x0000000002E40000-0x0000000002E41000-memory.dmp

        Filesize

        4KB

      • memory/1372-73-0x0000000002E50000-0x0000000002E56000-memory.dmp

        Filesize

        24KB

      • memory/1372-4-0x0000000002E70000-0x0000000002E86000-memory.dmp

        Filesize

        88KB

      • memory/1372-58-0x0000000077291000-0x0000000077292000-memory.dmp

        Filesize

        4KB

      • memory/2080-31-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-60-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-109-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-98-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-92-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-84-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-29-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-30-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-74-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-34-0x00000000000C0000-0x00000000000C6000-memory.dmp

        Filesize

        24KB

      • memory/2080-33-0x0000000000190000-0x0000000000254000-memory.dmp

        Filesize

        784KB

      • memory/2080-36-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-38-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-40-0x00000000004A0000-0x00000000004AC000-memory.dmp

        Filesize

        48KB

      • memory/2080-37-0x0000000000190000-0x0000000000254000-memory.dmp

        Filesize

        784KB

      • memory/2080-35-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-32-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-41-0x0000000000190000-0x0000000000254000-memory.dmp

        Filesize

        784KB

      • memory/2080-71-0x0000000000190000-0x0000000000254000-memory.dmp

        Filesize

        784KB

      • memory/2080-70-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-69-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-46-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-47-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-68-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-67-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-66-0x0000000000190000-0x0000000000254000-memory.dmp

        Filesize

        784KB

      • memory/2080-63-0x0000000000190000-0x0000000000254000-memory.dmp

        Filesize

        784KB

      • memory/2080-56-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-57-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-64-0x00000000000C0000-0x00000000000C6000-memory.dmp

        Filesize

        24KB

      • memory/2080-59-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-65-0x0000000077240000-0x00000000773E9000-memory.dmp

        Filesize

        1.7MB

      • memory/2080-62-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-61-0x0000000077420000-0x00000000775A1000-memory.dmp

        Filesize

        1.5MB

      • memory/2120-90-0x0000000001C90000-0x0000000001CF6000-memory.dmp

        Filesize

        408KB

      • memory/2120-105-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2120-106-0x0000000000360000-0x0000000000366000-memory.dmp

        Filesize

        24KB

      • memory/2120-107-0x0000000001C90000-0x0000000001CF6000-memory.dmp

        Filesize

        408KB

      • memory/2120-86-0x0000000001C90000-0x0000000001CF6000-memory.dmp

        Filesize

        408KB

      • memory/2120-91-0x0000000000360000-0x0000000000366000-memory.dmp

        Filesize

        24KB

      • memory/2120-89-0x0000000001DC0000-0x0000000001DCC000-memory.dmp

        Filesize

        48KB

      • memory/2184-3-0x0000000000400000-0x000000000043E000-memory.dmp

        Filesize

        248KB

      • memory/2184-1-0x0000000000580000-0x0000000000680000-memory.dmp

        Filesize

        1024KB

      • memory/2184-5-0x0000000000400000-0x000000000043E000-memory.dmp

        Filesize

        248KB

      • memory/2184-2-0x0000000000220000-0x0000000000229000-memory.dmp

        Filesize

        36KB

      • memory/2448-72-0x0000000077291000-0x0000000077292000-memory.dmp

        Filesize

        4KB

      • memory/2516-55-0x0000000001090000-0x0000000001626000-memory.dmp

        Filesize

        5.6MB

      • memory/2516-87-0x0000000001090000-0x0000000001626000-memory.dmp

        Filesize

        5.6MB

      • memory/2568-44-0x0000000000380000-0x0000000000381000-memory.dmp

        Filesize

        4KB

      • memory/2568-25-0x0000000000360000-0x0000000000361000-memory.dmp

        Filesize

        4KB

      • memory/2568-43-0x0000000000290000-0x0000000000296000-memory.dmp

        Filesize

        24KB

      • memory/2568-27-0x0000000001D10000-0x0000000001D76000-memory.dmp

        Filesize

        408KB

      • memory/2568-45-0x0000000001D10000-0x0000000001D76000-memory.dmp

        Filesize

        408KB

      • memory/2568-24-0x0000000077430000-0x0000000077431000-memory.dmp

        Filesize

        4KB

      • memory/2568-21-0x00000000002A0000-0x00000000002AD000-memory.dmp

        Filesize

        52KB

      • memory/2568-22-0x0000000001D10000-0x0000000001D76000-memory.dmp

        Filesize

        408KB

      • memory/2568-26-0x00000000003D0000-0x00000000003DC000-memory.dmp

        Filesize

        48KB

      • memory/2568-18-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2568-19-0x0000000001D10000-0x0000000001D76000-memory.dmp

        Filesize

        408KB

      • memory/2568-20-0x0000000000290000-0x0000000000296000-memory.dmp

        Filesize

        24KB

      • memory/2636-102-0x00000000000D0000-0x00000000000DB000-memory.dmp

        Filesize

        44KB

      • memory/2636-103-0x0000000000540000-0x00000000005A5000-memory.dmp

        Filesize

        404KB

      • memory/2636-100-0x0000000000540000-0x00000000005A6000-memory.dmp

        Filesize

        408KB

      • memory/2636-99-0x0000000000540000-0x00000000005A6000-memory.dmp

        Filesize

        408KB