Analysis

  • max time kernel
    150s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2022 12:44

General

  • Target

    efc060c1b01b91b3fbeaaf3e21250b3d8fe15349bcbdf31e875c2e9eb58bdbc6.exe

  • Size

    957KB

  • MD5

    2fbfddf9c0ed6477958663f2e5454734

  • SHA1

    8159a3f7e8745831d5bc97ac3adac13704879e1d

  • SHA256

    efc060c1b01b91b3fbeaaf3e21250b3d8fe15349bcbdf31e875c2e9eb58bdbc6

  • SHA512

    670ebc2bb9896c7a057ec0c496293fb397e7e183c607095e722c9f2980747895abffb00c40f214522788e8a383b6501affe72308053a731980ae74257e65fb28

  • SSDEEP

    12288:YiJW6VgX0SyGUsp8Qd/zDdz+A+hi6+pE30vwmC4UoSVISpn7awwgoS3g/m42FYh:YiJ/lGl6Qp3R+hos4w74+GwRge+h

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 5 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • 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
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1212
      • C:\Users\Admin\AppData\Local\Temp\efc060c1b01b91b3fbeaaf3e21250b3d8fe15349bcbdf31e875c2e9eb58bdbc6.exe
        "C:\Users\Admin\AppData\Local\Temp\efc060c1b01b91b3fbeaaf3e21250b3d8fe15349bcbdf31e875c2e9eb58bdbc6.exe"
        2⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Identifies Wine through registry keys
        • 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
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1852
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1120
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:560
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
            1⤵
              PID:784

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1852-54-0x0000000075521000-0x0000000075523000-memory.dmp

              Filesize

              8KB

            • memory/1852-55-0x0000000002680000-0x000000000370E000-memory.dmp

              Filesize

              16.6MB

            • memory/1852-56-0x0000000000400000-0x0000000000967000-memory.dmp

              Filesize

              5.4MB

            • memory/1852-57-0x0000000002680000-0x000000000370E000-memory.dmp

              Filesize

              16.6MB

            • memory/1852-58-0x00000000009E0000-0x00000000009E2000-memory.dmp

              Filesize

              8KB

            • memory/1852-59-0x000000000A9C0000-0x000000000A9C2000-memory.dmp

              Filesize

              8KB

            • memory/1852-60-0x0000000000400000-0x0000000000967000-memory.dmp

              Filesize

              5.4MB

            • memory/1852-62-0x00000000009E0000-0x00000000009E2000-memory.dmp

              Filesize

              8KB

            • memory/1852-61-0x0000000002680000-0x000000000370E000-memory.dmp

              Filesize

              16.6MB

            • memory/1852-63-0x000000000A9C0000-0x000000000A9C2000-memory.dmp

              Filesize

              8KB