Analysis

  • max time kernel
    146s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2022 21:51

General

  • Target

    893756f7466dd5635e2a3c6dcb3eff1f5549bfc0a4db4999c26df37735b99964.exe

  • Size

    1.2MB

  • MD5

    8362ab8fd2d62ba5e51323d764111c59

  • SHA1

    0d36f2ddad615025c5a6152f732a2bef8f35bf46

  • SHA256

    893756f7466dd5635e2a3c6dcb3eff1f5549bfc0a4db4999c26df37735b99964

  • SHA512

    2e9472e1b5646eb5681bb1ab4d204caf0303c0fa6549a8a69e3a2c8a061f60203610555a76f642b4eb9eaae4d63cf2582929bb96011f0a46c32d9bdce0639f0a

  • SSDEEP

    3072:knSNtnEp+VzI2uGN0dizP3H+vOzdh13f6VjVuT:UYSp+7us0dizPX+G9f6xYT

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\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1204
      • C:\Users\Admin\AppData\Local\Temp\893756f7466dd5635e2a3c6dcb3eff1f5549bfc0a4db4999c26df37735b99964.exe
        "C:\Users\Admin\AppData\Local\Temp\893756f7466dd5635e2a3c6dcb3eff1f5549bfc0a4db4999c26df37735b99964.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:1740
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1112

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1740-54-0x0000000075931000-0x0000000075933000-memory.dmp

          Filesize

          8KB

        • memory/1740-55-0x0000000001CE0000-0x0000000002D6E000-memory.dmp

          Filesize

          16.6MB

        • memory/1740-56-0x0000000074031000-0x0000000074033000-memory.dmp

          Filesize

          8KB

        • memory/1740-57-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB

        • memory/1740-58-0x0000000001CE0000-0x0000000002D6E000-memory.dmp

          Filesize

          16.6MB

        • memory/1740-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

          Filesize

          8KB

        • memory/1740-60-0x0000000002F50000-0x0000000002F52000-memory.dmp

          Filesize

          8KB

        • memory/1740-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

          Filesize

          8KB

        • memory/1740-61-0x0000000001CE0000-0x0000000002D6E000-memory.dmp

          Filesize

          16.6MB

        • memory/1740-63-0x0000000002F50000-0x0000000002F52000-memory.dmp

          Filesize

          8KB