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Analysis

  • max time kernel
    147s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2022, 08:50

General

  • Target

    5ff0c2d2233fe739a8d455ef186e156b775e4c0b8b19b52a3b9e70017be136a6.exe

  • Size

    100KB

  • MD5

    186f9d418a4927dac3986beda62521c6

  • SHA1

    349159a150813306430550bc1e4feb39cc951ece

  • SHA256

    5ff0c2d2233fe739a8d455ef186e156b775e4c0b8b19b52a3b9e70017be136a6

  • SHA512

    733b6e8d925a67738fdbf6d773743b5b466b8977db957c6917091fa73764b217c23d2377844ef994b79634afd50c4672ae10c20c8a3bfdb00d836b1e62f6b3ef

  • SSDEEP

    3072:Y6vEAtnnDR+CC7R/5EyHLzwwKbXMyhX/AOQ/v3oQnDHnw:pnnyR/jrVKXRKvvdD

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 19 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1184
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1240
        • C:\Users\Admin\AppData\Local\Temp\5ff0c2d2233fe739a8d455ef186e156b775e4c0b8b19b52a3b9e70017be136a6.exe
          "C:\Users\Admin\AppData\Local\Temp\5ff0c2d2233fe739a8d455ef186e156b775e4c0b8b19b52a3b9e70017be136a6.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:1376
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1124

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1376-54-0x0000000075091000-0x0000000075093000-memory.dmp

          Filesize

          8KB

        • memory/1376-55-0x0000000001CF0000-0x0000000002D7E000-memory.dmp

          Filesize

          16.6MB

        • memory/1376-56-0x0000000074691000-0x0000000074693000-memory.dmp

          Filesize

          8KB

        • memory/1376-57-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1376-58-0x0000000001CF0000-0x0000000002D7E000-memory.dmp

          Filesize

          16.6MB

        • memory/1376-59-0x0000000000250000-0x0000000000252000-memory.dmp

          Filesize

          8KB

        • memory/1376-60-0x0000000004370000-0x0000000004372000-memory.dmp

          Filesize

          8KB

        • memory/1376-61-0x0000000001CF0000-0x0000000002D7E000-memory.dmp

          Filesize

          16.6MB

        • memory/1376-62-0x0000000000250000-0x0000000000252000-memory.dmp

          Filesize

          8KB

        • memory/1376-63-0x0000000004370000-0x0000000004372000-memory.dmp

          Filesize

          8KB