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Analysis

  • max time kernel
    20s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 00:17

General

  • Target

    19f6fef109a8e4b1249bcb20ec7bcf7f84d880d3b711d85cd5b91a1862a84821N.exe

  • Size

    736KB

  • MD5

    597655d6a160b5f6603a0e740b070b20

  • SHA1

    2ee8d116ae2dbff6d48a56f543eb210fe422a62d

  • SHA256

    19f6fef109a8e4b1249bcb20ec7bcf7f84d880d3b711d85cd5b91a1862a84821

  • SHA512

    67d8742121967c63525239cc7c19ed979b37c0117971286e2d2fdd37f3f251fe9835d2211a44832a3e84b4c16ff43ae0d8581ec533d7908d229c3602824163d5

  • SSDEEP

    12288:BTyjXW+48qWywrU4kGFezOAVuJ5PIFww7F5DO3HYffPtS35CwPxY:lIXW/8yw1ez54lIlF5SXYHPtkUwPy

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

Signatures

  • Modifies firewall policy service 3 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.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • 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.

  • UPX packed file 54 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1052
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1108
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1160
          • C:\Users\Admin\AppData\Local\Temp\19f6fef109a8e4b1249bcb20ec7bcf7f84d880d3b711d85cd5b91a1862a84821N.exe
            "C:\Users\Admin\AppData\Local\Temp\19f6fef109a8e4b1249bcb20ec7bcf7f84d880d3b711d85cd5b91a1862a84821N.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
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:3032
            • 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
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:2572
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1376

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\0F775A50_Rar\rundll32.exe

            Filesize

            664KB

            MD5

            2eb5d76180ce7b3241b281fa79ab3483

            SHA1

            06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

            SHA256

            e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

            SHA512

            35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

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

            Filesize

            736KB

            MD5

            597655d6a160b5f6603a0e740b070b20

            SHA1

            2ee8d116ae2dbff6d48a56f543eb210fe422a62d

            SHA256

            19f6fef109a8e4b1249bcb20ec7bcf7f84d880d3b711d85cd5b91a1862a84821

            SHA512

            67d8742121967c63525239cc7c19ed979b37c0117971286e2d2fdd37f3f251fe9835d2211a44832a3e84b4c16ff43ae0d8581ec533d7908d229c3602824163d5

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            7799d3d7aea940cbc09e34f75c3aff8f

            SHA1

            ffa14617492787ecdb61c3880a18aa406a870f84

            SHA256

            e918750670ce8b2a296cdabc2597f4089de62e27aa51a401b999a8055f4c4060

            SHA512

            4402b721f4953e6cf9df8e6205f9587d07bd75913ab07097c38a1b17d77ec805f0f05ad39ca9ce7accb38f9986e852f311ee1bca77b25546fc4b2d2699c4147b

          • C:\dbitye.exe

            Filesize

            97KB

            MD5

            39b25d3334490fc7abb44916744624a4

            SHA1

            1e9ea47962bd567715fc5e21d07978a4668a75c0

            SHA256

            187e4675b7fd0eddc118d18ad817dae27cf59ace64dc1f84094141eb50fa57ee

            SHA512

            211fa6a79af08dbde30e653e1271c1fbf02c38240f43ebcf1fbf5421324ee9bc84bf959a160e9d5ffc4b759e455dba446b25456e1c7a1ca90cb8d4c47df668c3

          • memory/1052-16-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/1052-16-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/2572-79-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-107-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-71-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-66-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-90-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2572-91-0x00000000003C0000-0x00000000003C2000-memory.dmp

            Filesize

            8KB

          • memory/2572-67-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-73-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-92-0x00000000003C0000-0x00000000003C2000-memory.dmp

            Filesize

            8KB

          • memory/2572-69-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-72-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-70-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-65-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-66-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-93-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-68-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-95-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-95-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-93-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-70-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-72-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-69-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-92-0x00000000003C0000-0x00000000003C2000-memory.dmp

            Filesize

            8KB

          • memory/2572-73-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-91-0x00000000003C0000-0x00000000003C2000-memory.dmp

            Filesize

            8KB

          • memory/2572-90-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2572-79-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-71-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-68-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-67-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-65-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-107-0x0000000003A30000-0x0000000004AEA000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-43-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-3-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-45-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-59-0x0000000000400000-0x00000000004C0000-memory.dmp

            Filesize

            768KB

          • memory/3032-0-0x0000000000400000-0x00000000004C0000-memory.dmp

            Filesize

            768KB

          • memory/3032-0-0x0000000000400000-0x00000000004C0000-memory.dmp

            Filesize

            768KB

          • memory/3032-1-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-6-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-7-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-9-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-10-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-32-0x0000000000A90000-0x0000000000A92000-memory.dmp

            Filesize

            8KB

          • memory/3032-33-0x0000000000A90000-0x0000000000A92000-memory.dmp

            Filesize

            8KB

          • memory/3032-8-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-31-0x0000000003710000-0x0000000003711000-memory.dmp

            Filesize

            4KB

          • memory/3032-24-0x0000000003710000-0x0000000003711000-memory.dmp

            Filesize

            4KB

          • memory/3032-23-0x0000000000A90000-0x0000000000A92000-memory.dmp

            Filesize

            8KB

          • memory/3032-34-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-4-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-11-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-5-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-46-0x0000000000A90000-0x0000000000A92000-memory.dmp

            Filesize

            8KB

          • memory/3032-35-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-34-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-43-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-59-0x0000000000400000-0x00000000004C0000-memory.dmp

            Filesize

            768KB

          • memory/3032-45-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-46-0x0000000000A90000-0x0000000000A92000-memory.dmp

            Filesize

            8KB

          • memory/3032-35-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-3-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-5-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-11-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-4-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-23-0x0000000000A90000-0x0000000000A92000-memory.dmp

            Filesize

            8KB

          • memory/3032-24-0x0000000003710000-0x0000000003711000-memory.dmp

            Filesize

            4KB

          • memory/3032-31-0x0000000003710000-0x0000000003711000-memory.dmp

            Filesize

            4KB

          • memory/3032-8-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-33-0x0000000000A90000-0x0000000000A92000-memory.dmp

            Filesize

            8KB

          • memory/3032-32-0x0000000000A90000-0x0000000000A92000-memory.dmp

            Filesize

            8KB

          • memory/3032-10-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-9-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-7-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-6-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-1-0x00000000025D0000-0x000000000368A000-memory.dmp

            Filesize

            16.7MB