Analysis

  • max time kernel
    45s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 22:03

General

  • Target

    97e95d9d5d7528ed469b899812583b384eb6a50631c98878f6b021f324b3af74.exe

  • Size

    237KB

  • MD5

    6c05891e0b0ef976bb7643028a6d1875

  • SHA1

    775f6f171c3ba271229e6ce9b1a62cd3426e4366

  • SHA256

    97e95d9d5d7528ed469b899812583b384eb6a50631c98878f6b021f324b3af74

  • SHA512

    cb1bb9eb0f4ea289a93b03ac03efee0c427acbd8c5250b64ce91a076bc68560da03621d40b7916594e4b40a9ac56b2e6f38c41867743dd5e5e2db13f6b94c766

  • SSDEEP

    3072:u7/64aQcwAAvVyhPLz+0r+jB3v1Jmzub67NHzPps94sb3B8BO1zgddAduUqi4xRZ:G6avstzL03v/vb6RHzyfzwdAF4YzC

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 2 TTPs 3 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 2 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1228
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1328
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1400
          • C:\Users\Admin\AppData\Local\Temp\97e95d9d5d7528ed469b899812583b384eb6a50631c98878f6b021f324b3af74.exe
            "C:\Users\Admin\AppData\Local\Temp\97e95d9d5d7528ed469b899812583b384eb6a50631c98878f6b021f324b3af74.exe"
            2⤵
            • Modifies firewall policy service
            • Modifies visibility of file extensions in Explorer
            • Modifies visiblity of hidden/system files in Explorer
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Adds Run key to start application
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1324

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1324-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

          Filesize

          8KB

        • memory/1324-55-0x0000000001CD0000-0x0000000002D5E000-memory.dmp

          Filesize

          16.6MB

        • memory/1324-56-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/1324-57-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/1324-58-0x0000000001CD0000-0x0000000002D5E000-memory.dmp

          Filesize

          16.6MB

        • memory/1324-59-0x0000000001CD0000-0x0000000002D5E000-memory.dmp

          Filesize

          16.6MB