Analysis

  • max time kernel
    101s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2025, 19:45

General

  • Target

    2025-04-04_633c298997671cb2fc149aadd8108633_smoke-loader.exe

  • Size

    344KB

  • MD5

    633c298997671cb2fc149aadd8108633

  • SHA1

    95450828762abd052d8696490c0c188309115f47

  • SHA256

    6d385418e7f797397340e2664f9fdfedeffe2edf1028c65033647a4695b9762c

  • SHA512

    b748e2e9274de6db37b1f88ed2eee8dbb4ca0d8e33f678b330f276e2ea5fda4be9ab070e9aeb6956624ba733e19729e9394209e80b292acbf30b583bf69b3ca0

  • SSDEEP

    6144:ouc0IW5YmMHQk8dvqFxizeSmb1jchHLS/M4gHD5G3klroDfrEwpmF0grh6:ojQk8d1zNL4Cs4oDrNpYvh6

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Users\Admin\AppData\Local\Temp\2025-04-04_633c298997671cb2fc149aadd8108633_smoke-loader.exe
          "C:\Users\Admin\AppData\Local\Temp\2025-04-04_633c298997671cb2fc149aadd8108633_smoke-loader.exe"
          1⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Windows security modification
          • Checks whether UAC is enabled
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:4972

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4972-0-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4972-3-0x0000000002360000-0x00000000033EE000-memory.dmp

          Filesize

          16.6MB

        • memory/4972-1-0x0000000002360000-0x00000000033EE000-memory.dmp

          Filesize

          16.6MB

        • memory/4972-9-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4972-7-0x0000000002360000-0x00000000033EE000-memory.dmp

          Filesize

          16.6MB

        • memory/4972-4-0x0000000002360000-0x00000000033EE000-memory.dmp

          Filesize

          16.6MB