Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2024 18:52

General

  • Target

    912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f.exe

  • Size

    312KB

  • MD5

    90eeb5315b502c2d9b425c7b1b7584ff

  • SHA1

    0567ab583958eb51a3e7bfb1847c57adeac19ac2

  • SHA256

    912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f

  • SHA512

    bc9fef18fcd245fc3c6c02eddcd6036e37fa06575bbac2c834f46752f2d0fdb2b1ba50bb2a4d758f9888c8a40838aee017f324ab705c89ae3a4d9ba5648f526c

  • SSDEEP

    3072:bjEaOZmdZLt0PrunvCXbdO4Qn1vRhiHLR9zBqxVC8WY6np5noiT9znCARTYFkc:biZILSPr4vIbdmliHLTzotEtT54Fk

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 WriteProcessMemory 54 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Deletes itself
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Users\Admin\AppData\Local\Temp\912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f.exe
      "C:\Users\Admin\AppData\Local\Temp\912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2084
    • C:\Users\Admin\AppData\Local\Temp\1536.exe
      C:\Users\Admin\AppData\Local\Temp\1536.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:2536
      • 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:3012
        • C:\Users\Admin\AppData\Local\Temp\oqc9y1kga97_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:1972
          • 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:812
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\OQC9Y1~1.EXE" /RL HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:2636
    • C:\Users\Admin\AppData\Local\Temp\2444.exe
      C:\Users\Admin\AppData\Local\Temp\2444.exe
      2⤵
      • Executes dropped EXE
      PID:1640
  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1348
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:1636

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\1536.exe

        Filesize

        360KB

        MD5

        80c413180b6bd0dd664adc4e0665b494

        SHA1

        e791e4a3391fc6b7bcb58399cd4fa3c52a06b940

        SHA256

        6d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880

        SHA512

        347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a

      • C:\Users\Admin\AppData\Local\Temp\2444.exe

        Filesize

        320KB

        MD5

        536e11155ae4e82f0a5fdeefca98829a

        SHA1

        42ad00f917cd0e301b20e786ee425449e1b61607

        SHA256

        077fe22c69adc36ce0230455a02655da7ae97a06cac244f7e521491044f0fb32

        SHA512

        df45b175e3e5d8efb27d447c94eeaf40ccc679ebf579d5b0febee0a87fb8299765345733123db48c9d61f2ed0f932561b4ba4a691eba61230dd2f0bef51ceb0a

      • C:\Users\Admin\AppData\Local\Temp\2444.exe

        Filesize

        128KB

        MD5

        0a1fe723e93e59d70993626cd8c1fd3b

        SHA1

        234ae8b1af36750588b27de53058c52a0577010b

        SHA256

        1c6768f8680c9e37eb6851fbe3ba2f3356ff03baadef597937dc6c75f4fb148f

        SHA512

        c9dc756733095d930cfc2e49243c0e3658e0a00c5b99a1e4a50b34f33a72e3f3279dc7fcb45ca89e0f0ce9d55948ad5a12710f929133db465247f23846fd909f

      • C:\Users\Admin\AppData\Local\Temp\2444.exe

        Filesize

        256KB

        MD5

        5a95006638b26b5a857faf785cf94723

        SHA1

        2722e87790d79e528dd844b1a10d191c77cbdab9

        SHA256

        8c1fe54e9af5fb0ff82069bac2e2d8f58d0e8552819eaa9b0aead9c02b325d3d

        SHA512

        ced59d0b7e8bbcc7e1ded3259e09a6a44d61e241285395d16fb2e19fa83f43cf078d74639de6e5fdffa310422967825cdb577cce7d2dcb22c50c9edf2b2c23da

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

        Filesize

        312KB

        MD5

        90eeb5315b502c2d9b425c7b1b7584ff

        SHA1

        0567ab583958eb51a3e7bfb1847c57adeac19ac2

        SHA256

        912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f

        SHA512

        bc9fef18fcd245fc3c6c02eddcd6036e37fa06575bbac2c834f46752f2d0fdb2b1ba50bb2a4d758f9888c8a40838aee017f324ab705c89ae3a4d9ba5648f526c

      • memory/812-97-0x0000000000060000-0x00000000000C6000-memory.dmp

        Filesize

        408KB

      • memory/812-98-0x0000000000060000-0x00000000000C6000-memory.dmp

        Filesize

        408KB

      • memory/812-100-0x0000000000180000-0x000000000018B000-memory.dmp

        Filesize

        44KB

      • memory/812-101-0x0000000000060000-0x00000000000C5000-memory.dmp

        Filesize

        404KB

      • memory/1388-4-0x0000000002640000-0x0000000002656000-memory.dmp

        Filesize

        88KB

      • memory/1388-58-0x0000000077761000-0x0000000077762000-memory.dmp

        Filesize

        4KB

      • memory/1388-91-0x0000000002620000-0x0000000002621000-memory.dmp

        Filesize

        4KB

      • memory/1636-96-0x0000000077761000-0x0000000077762000-memory.dmp

        Filesize

        4KB

      • memory/1640-52-0x00000000008B0000-0x0000000000E46000-memory.dmp

        Filesize

        5.6MB

      • memory/1972-83-0x0000000001CC0000-0x0000000001D26000-memory.dmp

        Filesize

        408KB

      • memory/1972-105-0x0000000001CC0000-0x0000000001D26000-memory.dmp

        Filesize

        408KB

      • memory/1972-104-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/1972-87-0x0000000001FC0000-0x0000000001FCC000-memory.dmp

        Filesize

        48KB

      • memory/1972-88-0x0000000001CC0000-0x0000000001D26000-memory.dmp

        Filesize

        408KB

      • memory/1972-103-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/1972-85-0x0000000001CC0000-0x0000000001D26000-memory.dmp

        Filesize

        408KB

      • memory/1972-84-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/2084-1-0x0000000000970000-0x0000000000A70000-memory.dmp

        Filesize

        1024KB

      • memory/2084-5-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/2084-3-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/2084-2-0x0000000000220000-0x0000000000229000-memory.dmp

        Filesize

        36KB

      • memory/2536-21-0x0000000000390000-0x000000000039D000-memory.dmp

        Filesize

        52KB

      • memory/2536-33-0x0000000001D60000-0x0000000001D61000-memory.dmp

        Filesize

        4KB

      • memory/2536-34-0x0000000000320000-0x0000000000386000-memory.dmp

        Filesize

        408KB

      • memory/2536-27-0x0000000000320000-0x0000000000386000-memory.dmp

        Filesize

        408KB

      • memory/2536-26-0x0000000001DF0000-0x0000000001DFC000-memory.dmp

        Filesize

        48KB

      • memory/2536-25-0x0000000001D40000-0x0000000001D41000-memory.dmp

        Filesize

        4KB

      • memory/2536-23-0x0000000077900000-0x0000000077901000-memory.dmp

        Filesize

        4KB

      • memory/2536-22-0x0000000000320000-0x0000000000386000-memory.dmp

        Filesize

        408KB

      • memory/2536-20-0x0000000000290000-0x0000000000291000-memory.dmp

        Filesize

        4KB

      • memory/2536-19-0x0000000000320000-0x0000000000386000-memory.dmp

        Filesize

        408KB

      • memory/2536-18-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/3012-54-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-57-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-59-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-60-0x0000000077710000-0x00000000778B9000-memory.dmp

        Filesize

        1.7MB

      • memory/3012-61-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-62-0x00000000000D0000-0x0000000000194000-memory.dmp

        Filesize

        784KB

      • memory/3012-63-0x0000000000260000-0x0000000000266000-memory.dmp

        Filesize

        24KB

      • memory/3012-64-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-65-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-66-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-67-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-68-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-69-0x00000000000D0000-0x0000000000194000-memory.dmp

        Filesize

        784KB

      • memory/3012-70-0x00000000000D0000-0x0000000000194000-memory.dmp

        Filesize

        784KB

      • memory/3012-71-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-81-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-56-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-55-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-53-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-45-0x00000000000D0000-0x0000000000194000-memory.dmp

        Filesize

        784KB

      • memory/3012-43-0x0000000000360000-0x000000000036C000-memory.dmp

        Filesize

        48KB

      • memory/3012-89-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-41-0x00000000000D0000-0x0000000000194000-memory.dmp

        Filesize

        784KB

      • memory/3012-40-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-95-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-39-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-38-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-32-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-36-0x0000000000260000-0x0000000000266000-memory.dmp

        Filesize

        24KB

      • memory/3012-37-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-35-0x00000000000D0000-0x0000000000194000-memory.dmp

        Filesize

        784KB

      • memory/3012-30-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-29-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB

      • memory/3012-107-0x00000000778F0000-0x0000000077A71000-memory.dmp

        Filesize

        1.5MB