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Analysis

  • max time kernel
    147s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 19:29

General

  • Target

    0c05a01a44598489b31b0ef25f6188831d7267f8ce6c50b83472ffa4627276c3.exe

  • Size

    100KB

  • MD5

    555379c7ae34f51806e4a74bf5b402fb

  • SHA1

    b929965f83e1a100440a12913118e4579ffdeaa8

  • SHA256

    0c05a01a44598489b31b0ef25f6188831d7267f8ce6c50b83472ffa4627276c3

  • SHA512

    2353c77397cb831f0ab58647e0af2d384701307556db3cd48e13d6e38f4a35d22a6966e1ae49ea4a9c4e0fde5817b453e3a29a9d8bc2b3199dab6c2942c48bdb

  • SSDEEP

    3072:MDJvP7bEw7b2SSOfaWs0F3QT5RlMWwSvPg6:q7tqSSYsq3QTP

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
  • 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 3 IoCs

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

  • Windows security modification 2 TTPs 7 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 1 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Users\Admin\AppData\Local\Temp\0c05a01a44598489b31b0ef25f6188831d7267f8ce6c50b83472ffa4627276c3.exe
            "C:\Users\Admin\AppData\Local\Temp\0c05a01a44598489b31b0ef25f6188831d7267f8ce6c50b83472ffa4627276c3.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:620

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/620-54-0x0000000075711000-0x0000000075713000-memory.dmp

          Filesize

          8KB

        • memory/620-55-0x0000000001E90000-0x0000000002F1E000-memory.dmp

          Filesize

          16.6MB

        • memory/620-57-0x0000000074EB1000-0x0000000074EB3000-memory.dmp

          Filesize

          8KB

        • memory/620-56-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/620-58-0x0000000001E90000-0x0000000002F1E000-memory.dmp

          Filesize

          16.6MB

        • memory/620-59-0x0000000000240000-0x0000000000242000-memory.dmp

          Filesize

          8KB

        • memory/620-60-0x0000000003090000-0x0000000003092000-memory.dmp

          Filesize

          8KB

        • memory/620-62-0x0000000000240000-0x0000000000242000-memory.dmp

          Filesize

          8KB

        • memory/620-61-0x0000000001E90000-0x0000000002F1E000-memory.dmp

          Filesize

          16.6MB

        • memory/620-63-0x0000000003090000-0x0000000003092000-memory.dmp

          Filesize

          8KB