Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    15-01-2024 14:43

General

  • Target

    5d58da25064cdf94191aa28b925cc807.exe

  • Size

    272KB

  • MD5

    5d58da25064cdf94191aa28b925cc807

  • SHA1

    a9b88bac9c6205a722a191fd36a4789e8b74d646

  • SHA256

    3cf5e573757ea3f76cc15ca0efb4b9bdd6e089d7448288cfc1f18435c4939ba0

  • SHA512

    a92e204958c3f6af0ebd7d6ee98c7ac9d3f09c998796ec82915888cbe11c517adbc118ca3f737eec782b8d6d0c4ca22a44d8adb44f69aa3979130614dca15682

  • SSDEEP

    6144:PYb49G5rSyann0uxxPpVzK3m72P01ESTovddXg8U6mq:yp5rSXndxxPpVymbNovw9T

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Extracted

Family

gozi

Signatures

  • BetaBot

    Beta Bot is a Trojan that infects computers and disables Antivirus.

  • Gozi

    Gozi is a well-known and widely distributed banking trojan.

  • 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 3 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 4 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 53 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Deletes itself
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\AppData\Local\Temp\5d58da25064cdf94191aa28b925cc807.exe
      "C:\Users\Admin\AppData\Local\Temp\5d58da25064cdf94191aa28b925cc807.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2024
    • C:\Users\Admin\AppData\Local\Temp\9859.exe
      C:\Users\Admin\AppData\Local\Temp\9859.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:2780
      • 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:2432
        • C:\Users\Admin\AppData\Local\Temp\53a1q751a171wwe_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:1056
          • 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:2628
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\53A1Q7~1.EXE" /RL HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:2280
    • C:\Users\Admin\AppData\Local\Temp\A0D2.exe
      C:\Users\Admin\AppData\Local\Temp\A0D2.exe
      2⤵
      • Executes dropped EXE
      PID:2724
  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1188
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:2140

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\9859.exe

        Filesize

        360KB

        MD5

        0c819dd27a128d9234daa3d772fb8c20

        SHA1

        d5d36492818872da8e70dc28cc85389b8e0f3819

        SHA256

        ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2

        SHA512

        f502ddb79703297cf0592e68c3f1f964584725d7aa670272998f174ffa108bb7340c0d65d38d69e1b3f7f1217628dadda108fa2d5fe1eab73b7b3302b9f769b7

      • C:\Users\Admin\AppData\Local\Temp\A0D2.exe

        Filesize

        960KB

        MD5

        4c3e2359c5218af84c492d081fd130d2

        SHA1

        dfd9958791375869349455fab7c47a685832eb6e

        SHA256

        47bcc85fe56c4fc2620c3766514b7dc353bda2ad9342d153e553969403898a1d

        SHA512

        43f20346a591559a410162da2f4699d5c9d9d74e236fabbbcfa1d2b77f6ccb7171911d9a8ffcfd6c12f023853f11bc99ee7da5eeb5a3705ea4daa2c372a43dd6

      • C:\Users\Admin\AppData\Local\Temp\A0D2.exe

        Filesize

        3.8MB

        MD5

        7a1a513730fe8fbf18fdab76dc199138

        SHA1

        4345071a917169a099d2b182a910bf47ca6c3d13

        SHA256

        5a787c3f6e520397b174ffb96111d126119371621ab449f578579e947528b281

        SHA512

        a47339430fdf1e953cee76465324c0ad72f0b6417892a786d79f4a50d8e95aaa9a619d89cf1ae600ab751f40b6d2a7cd352ecf1ed0623ba17c2151158ccf5cde

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

        Filesize

        272KB

        MD5

        5d58da25064cdf94191aa28b925cc807

        SHA1

        a9b88bac9c6205a722a191fd36a4789e8b74d646

        SHA256

        3cf5e573757ea3f76cc15ca0efb4b9bdd6e089d7448288cfc1f18435c4939ba0

        SHA512

        a92e204958c3f6af0ebd7d6ee98c7ac9d3f09c998796ec82915888cbe11c517adbc118ca3f737eec782b8d6d0c4ca22a44d8adb44f69aa3979130614dca15682

      • \Users\Admin\AppData\Local\Temp\A0D2.exe

        Filesize

        768KB

        MD5

        c9e909187330b42fbe88fcadf7546711

        SHA1

        d59e3ebaf2cba6c3e78fb04836103f1e733a4f23

        SHA256

        b17b704c7cafbc569154b32caf8ac6500c044b26046afc1d55bfe54fd45eb33a

        SHA512

        1343c6b711804aaad4a478870d2b7ebae1dbb515f3a28cdc5969aafa664cf8cef20ae42e8b60a1924d89281edc5dd5c7b5052e135bdaea9774d9e6c482446fcb

      • \Users\Admin\AppData\Local\Temp\A0D2.exe

        Filesize

        1024KB

        MD5

        8375fc0085b5fd2c5bd373561847619f

        SHA1

        38ecc325c74c0c7b8825c620a305c992cac8835b

        SHA256

        31681a257f12d6f498411e3440884a95255c2e41641e121e5d9df8a6d852651c

        SHA512

        fc191721915bf7feb061b1bcce6e8afd552ff3d4c7fd5e574955f1d2250e7d1e85587b799f273528bf04b2c9ced928eb0d9dfd64a0a100a31a68a07b9a5df16a

      • memory/1056-89-0x00000000002A0000-0x0000000000306000-memory.dmp

        Filesize

        408KB

      • memory/1056-110-0x0000000000310000-0x0000000000316000-memory.dmp

        Filesize

        24KB

      • memory/1056-109-0x00000000002A0000-0x0000000000306000-memory.dmp

        Filesize

        408KB

      • memory/1056-108-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/1056-91-0x0000000000310000-0x0000000000316000-memory.dmp

        Filesize

        24KB

      • memory/1056-90-0x00000000002A0000-0x0000000000306000-memory.dmp

        Filesize

        408KB

      • memory/1056-94-0x00000000002A0000-0x0000000000306000-memory.dmp

        Filesize

        408KB

      • memory/1056-93-0x0000000002000000-0x000000000200C000-memory.dmp

        Filesize

        48KB

      • memory/1260-97-0x00000000025C0000-0x00000000025C1000-memory.dmp

        Filesize

        4KB

      • memory/1260-61-0x0000000076DF1000-0x0000000076DF2000-memory.dmp

        Filesize

        4KB

      • memory/1260-43-0x000000013F2A0000-0x000000013F965000-memory.dmp

        Filesize

        6.8MB

      • memory/1260-4-0x00000000025E0000-0x00000000025F5000-memory.dmp

        Filesize

        84KB

      • memory/2024-5-0x0000000000400000-0x00000000023AD000-memory.dmp

        Filesize

        31.7MB

      • memory/2024-3-0x0000000000400000-0x00000000023AD000-memory.dmp

        Filesize

        31.7MB

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

        Filesize

        36KB

      • memory/2024-1-0x0000000002570000-0x0000000002670000-memory.dmp

        Filesize

        1024KB

      • memory/2140-77-0x0000000076DF1000-0x0000000076DF2000-memory.dmp

        Filesize

        4KB

      • memory/2432-58-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-70-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-42-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-112-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-45-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-48-0x0000000000260000-0x0000000000266000-memory.dmp

        Filesize

        24KB

      • memory/2432-49-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2432-47-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-29-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-53-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2432-52-0x0000000000520000-0x000000000052C000-memory.dmp

        Filesize

        48KB

      • memory/2432-54-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-55-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2432-56-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-57-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-35-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-59-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-60-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-36-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2432-62-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-63-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-64-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-65-0x0000000076DA0000-0x0000000076F49000-memory.dmp

        Filesize

        1.7MB

      • memory/2432-66-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-67-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-68-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-69-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-30-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-71-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2432-72-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-74-0x0000000000260000-0x0000000000266000-memory.dmp

        Filesize

        24KB

      • memory/2432-101-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-76-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2432-95-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-85-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2432-88-0x0000000076F80000-0x0000000077101000-memory.dmp

        Filesize

        1.5MB

      • memory/2628-102-0x0000000000900000-0x0000000000966000-memory.dmp

        Filesize

        408KB

      • memory/2628-105-0x0000000000090000-0x000000000009B000-memory.dmp

        Filesize

        44KB

      • memory/2628-106-0x0000000000900000-0x0000000000965000-memory.dmp

        Filesize

        404KB

      • memory/2628-103-0x0000000000900000-0x0000000000966000-memory.dmp

        Filesize

        408KB

      • memory/2724-75-0x000000013F2A0000-0x000000013F965000-memory.dmp

        Filesize

        6.8MB

      • memory/2724-51-0x000000013F2A0000-0x000000013F965000-memory.dmp

        Filesize

        6.8MB

      • memory/2780-27-0x00000000004C0000-0x0000000000526000-memory.dmp

        Filesize

        408KB

      • memory/2780-20-0x0000000000290000-0x0000000000291000-memory.dmp

        Filesize

        4KB

      • memory/2780-19-0x00000000004C0000-0x0000000000526000-memory.dmp

        Filesize

        408KB

      • memory/2780-26-0x0000000000360000-0x000000000036C000-memory.dmp

        Filesize

        48KB

      • memory/2780-21-0x00000000002A0000-0x00000000002AD000-memory.dmp

        Filesize

        52KB

      • memory/2780-23-0x00000000004C0000-0x0000000000526000-memory.dmp

        Filesize

        408KB

      • memory/2780-24-0x0000000000320000-0x0000000000321000-memory.dmp

        Filesize

        4KB

      • memory/2780-22-0x0000000076F90000-0x0000000076F91000-memory.dmp

        Filesize

        4KB

      • memory/2780-18-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2780-34-0x00000000004C0000-0x0000000000526000-memory.dmp

        Filesize

        408KB

      • memory/2780-32-0x0000000000340000-0x0000000000341000-memory.dmp

        Filesize

        4KB