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Analysis

  • max time kernel
    36s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 13:18

General

  • Target

    NEAS.153a7adb63178b1ee3aef2608deae190_JC.exe

  • Size

    744KB

  • MD5

    153a7adb63178b1ee3aef2608deae190

  • SHA1

    5a8bc86a0710dfbb1c4347708ef42d89262f3178

  • SHA256

    a5f7d09edfcd2d6ba588a3e2da94fce28ca130cd1eb7032d6a107830be827227

  • SHA512

    72dae164266d66e88bc3b8bd9f9a80b332e4b2f97aa082d1fa42b39e778bc435f0323a4e6e1e4ceeb8564c56a3986a81686875ea1a3c654042fe89c48899ae95

  • SSDEEP

    12288:NTyjXW+48qWywrU4kGFezOAVuJ5PI3ww7F5DO3HYffPLnE/B:RIXW/8yw1ez54lI7F5SXYHPr0

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 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 28 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

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

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1372
      • C:\Users\Admin\AppData\Local\Temp\NEAS.153a7adb63178b1ee3aef2608deae190_JC.exe
        "C:\Users\Admin\AppData\Local\Temp\NEAS.153a7adb63178b1ee3aef2608deae190_JC.exe"
        2⤵
        • Modifies firewall policy service
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • UAC bypass
        • Windows security bypass
        • Loads dropped DLL
        • Windows security modification
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:2768
        • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
          3⤵
          • Modifies firewall policy service
          • Modifies visiblity of hidden/system files in Explorer
          • UAC bypass
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Checks whether UAC is enabled
          • Enumerates connected drives
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:2808
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1316
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1204

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\0F76CA41_Rar\NEAS.153a7adb63178b1ee3aef2608deae190_JC.exe

          Filesize

          664KB

          MD5

          2eb5d76180ce7b3241b281fa79ab3483

          SHA1

          06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

          SHA256

          e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

          SHA512

          35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

        • C:\Users\Admin\AppData\Local\Temp\0F771BCA_Rar\rundll32.exe

          Filesize

          664KB

          MD5

          2eb5d76180ce7b3241b281fa79ab3483

          SHA1

          06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

          SHA256

          e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

          SHA512

          35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

        • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

          Filesize

          744KB

          MD5

          153a7adb63178b1ee3aef2608deae190

          SHA1

          5a8bc86a0710dfbb1c4347708ef42d89262f3178

          SHA256

          a5f7d09edfcd2d6ba588a3e2da94fce28ca130cd1eb7032d6a107830be827227

          SHA512

          72dae164266d66e88bc3b8bd9f9a80b332e4b2f97aa082d1fa42b39e778bc435f0323a4e6e1e4ceeb8564c56a3986a81686875ea1a3c654042fe89c48899ae95

        • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

          Filesize

          744KB

          MD5

          153a7adb63178b1ee3aef2608deae190

          SHA1

          5a8bc86a0710dfbb1c4347708ef42d89262f3178

          SHA256

          a5f7d09edfcd2d6ba588a3e2da94fce28ca130cd1eb7032d6a107830be827227

          SHA512

          72dae164266d66e88bc3b8bd9f9a80b332e4b2f97aa082d1fa42b39e778bc435f0323a4e6e1e4ceeb8564c56a3986a81686875ea1a3c654042fe89c48899ae95

        • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

          Filesize

          744KB

          MD5

          153a7adb63178b1ee3aef2608deae190

          SHA1

          5a8bc86a0710dfbb1c4347708ef42d89262f3178

          SHA256

          a5f7d09edfcd2d6ba588a3e2da94fce28ca130cd1eb7032d6a107830be827227

          SHA512

          72dae164266d66e88bc3b8bd9f9a80b332e4b2f97aa082d1fa42b39e778bc435f0323a4e6e1e4ceeb8564c56a3986a81686875ea1a3c654042fe89c48899ae95

        • C:\Windows\SYSTEM.INI

          Filesize

          257B

          MD5

          08372e1471af5cc7add42c8683568fb7

          SHA1

          21032ebab12ecaabe39f238ee8954c27026655b5

          SHA256

          1329b37f723a4acbc925229f10054c6b6b27a45cfa7c669d36d4846bb5656a2b

          SHA512

          6e7b97b7a2b3c1151fa0634c25abbbcb9f70f1b73c7b99c1451fa894979cfd0744557a2d09841a68c77acea0f96c2f80fc9da904d6daa4ca1535aa21d01af72f

        • C:\lpwk.exe

          Filesize

          100KB

          MD5

          10234e2cf8c252051c5705e36ce2e29c

          SHA1

          e23cfb2cebe6a87e61ce69aa0042005a0647ca06

          SHA256

          ac9a50d719627484dc3fcf65130bb19274608488d0a5ed1ca916dca7761620e3

          SHA512

          992a2fd89eb4013a562c357d44ca9787e52a15acc943615bc6616262a7bceb4de23ccab1fe7f1ac7b974423f105d6d12c2d4a4c2b3519f492781b5724d4f71b1

        • \Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

          Filesize

          744KB

          MD5

          153a7adb63178b1ee3aef2608deae190

          SHA1

          5a8bc86a0710dfbb1c4347708ef42d89262f3178

          SHA256

          a5f7d09edfcd2d6ba588a3e2da94fce28ca130cd1eb7032d6a107830be827227

          SHA512

          72dae164266d66e88bc3b8bd9f9a80b332e4b2f97aa082d1fa42b39e778bc435f0323a4e6e1e4ceeb8564c56a3986a81686875ea1a3c654042fe89c48899ae95

        • memory/1204-10-0x0000000000310000-0x0000000000312000-memory.dmp

          Filesize

          8KB

        • memory/2768-43-0x0000000000020000-0x0000000000022000-memory.dmp

          Filesize

          8KB

        • memory/2768-24-0x0000000000020000-0x0000000000022000-memory.dmp

          Filesize

          8KB

        • memory/2768-22-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2768-25-0x00000000000D0000-0x00000000000D1000-memory.dmp

          Filesize

          4KB

        • memory/2768-26-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2768-27-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2768-28-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2768-29-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2768-32-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2768-17-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2768-20-0x00000000000D0000-0x00000000000D1000-memory.dmp

          Filesize

          4KB

        • memory/2768-19-0x0000000000020000-0x0000000000022000-memory.dmp

          Filesize

          8KB

        • memory/2768-5-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2768-50-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2768-0-0x0000000000400000-0x00000000004C2000-memory.dmp

          Filesize

          776KB

        • memory/2768-12-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2768-53-0x0000000000400000-0x00000000004C2000-memory.dmp

          Filesize

          776KB

        • memory/2768-7-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2768-9-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2768-8-0x00000000025B0000-0x000000000363E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-61-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-81-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-64-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-67-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-71-0x0000000000020000-0x0000000000022000-memory.dmp

          Filesize

          8KB

        • memory/2808-76-0x0000000000020000-0x0000000000022000-memory.dmp

          Filesize

          8KB

        • memory/2808-77-0x00000000000E0000-0x00000000000E1000-memory.dmp

          Filesize

          4KB

        • memory/2808-74-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-78-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-79-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-80-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-60-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-82-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-83-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-84-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-85-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-89-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-92-0x0000000000020000-0x0000000000022000-memory.dmp

          Filesize

          8KB

        • memory/2808-55-0x0000000002690000-0x000000000371E000-memory.dmp

          Filesize

          16.6MB

        • memory/2808-51-0x0000000000400000-0x00000000004C2000-memory.dmp

          Filesize

          776KB

        • memory/2808-176-0x0000000000400000-0x00000000004C2000-memory.dmp

          Filesize

          776KB