Analysis

  • max time kernel
    152s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 13:02

General

  • Target

    8979137f1a222b0e58d2a79f8c4e6adf4ddc2dacd01dff4153c4ca4972736f80.exe

  • Size

    100KB

  • MD5

    e9c18733932879e15c3c4c3e94c57bbb

  • SHA1

    17d5aa2b58782456c9e49a7870bc0b2c9a69c2b7

  • SHA256

    8979137f1a222b0e58d2a79f8c4e6adf4ddc2dacd01dff4153c4ca4972736f80

  • SHA512

    2b4eac26f9727e9286c282199fda8cb9bf40e676247d48f5032d415fc972309fd3e441f0dcb20a54216baa00d12359751be2e7a513468c8502186d13fd7ea5ff

  • SSDEEP

    1536:UneWw/vnj/m7XYdxfErNWttGF9Cru1hA4WvV8SYKGF79z:SeH//jO7eeNgcDkoUhYZF7l

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 1 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 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1208
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1244
          • C:\Users\Admin\AppData\Local\Temp\8979137f1a222b0e58d2a79f8c4e6adf4ddc2dacd01dff4153c4ca4972736f80.exe
            "C:\Users\Admin\AppData\Local\Temp\8979137f1a222b0e58d2a79f8c4e6adf4ddc2dacd01dff4153c4ca4972736f80.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:1544

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1544-54-0x0000000075BE1000-0x0000000075BE3000-memory.dmp

          Filesize

          8KB

        • memory/1544-55-0x0000000001D90000-0x0000000002E1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1544-56-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1544-58-0x00000000002E0000-0x00000000002E2000-memory.dmp

          Filesize

          8KB

        • memory/1544-57-0x0000000001D90000-0x0000000002E1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1544-59-0x00000000748C1000-0x00000000748C3000-memory.dmp

          Filesize

          8KB

        • memory/1544-60-0x0000000001D90000-0x0000000002E1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1544-61-0x00000000002E0000-0x00000000002E2000-memory.dmp

          Filesize

          8KB

        • memory/1544-62-0x0000000003BA0000-0x0000000003BA2000-memory.dmp

          Filesize

          8KB

        • memory/1544-63-0x0000000003BA0000-0x0000000003BA2000-memory.dmp

          Filesize

          8KB

        • memory/1544-64-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB