Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2023 03:24

General

  • Target

    NEAS.5b4bca7c050a3957111098a7212fe840.dll

  • Size

    120KB

  • MD5

    5b4bca7c050a3957111098a7212fe840

  • SHA1

    18dc1a392ea462a1b1c3ca65f364c7b17447cdf3

  • SHA256

    703609de4d4679971a1bf8ce9d4b0cdffc083071dad4ba0dbcae792368f264a4

  • SHA512

    233d1b84ba4e9c5ae92e31f41bde2d9de1ed6fb18d56b86c929873cdb76bb2f8582b87b7630aa4240c152748a860a7b6d1a44e21a35b1deb90b209c89c1020a6

  • SSDEEP

    3072:XjHZyEYtgkq++7IV3DGIBP4XHVf39KhZuoJ7+tr6XCgK8zJS:TXYtU++8NgZtRtWhK8z

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 2 TTPs 6 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 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 24 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 9 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1200
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1264
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.5b4bca7c050a3957111098a7212fe840.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:292
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.5b4bca7c050a3957111098a7212fe840.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2456
              • C:\Users\Admin\AppData\Local\Temp\f765476.exe
                C:\Users\Admin\AppData\Local\Temp\f765476.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:1088
              • C:\Users\Admin\AppData\Local\Temp\f765e17.exe
                C:\Users\Admin\AppData\Local\Temp\f765e17.exe
                4⤵
                • Executes dropped EXE
                PID:2776
              • C:\Users\Admin\AppData\Local\Temp\f766e8b.exe
                C:\Users\Admin\AppData\Local\Temp\f766e8b.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • 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:768

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f765476.exe

            Filesize

            97KB

            MD5

            1e715ae90795ca6f722a87f2a8038b0d

            SHA1

            af4444752677b1843df0b42034cf6bf08e81e3bd

            SHA256

            00f17a78616169ccd1fa2e89d63ea0aecd77b00d8ce71939e6d977530a57e24a

            SHA512

            10e6b08a63627f60dea2806602cef94ce034ce9db77417e89e2740c7624c3cf215e09192d425677715b48f79fcd2bda1d9301af350e80602485324d8d3a99cc7

          • C:\Users\Admin\AppData\Local\Temp\f765476.exe

            Filesize

            97KB

            MD5

            1e715ae90795ca6f722a87f2a8038b0d

            SHA1

            af4444752677b1843df0b42034cf6bf08e81e3bd

            SHA256

            00f17a78616169ccd1fa2e89d63ea0aecd77b00d8ce71939e6d977530a57e24a

            SHA512

            10e6b08a63627f60dea2806602cef94ce034ce9db77417e89e2740c7624c3cf215e09192d425677715b48f79fcd2bda1d9301af350e80602485324d8d3a99cc7

          • C:\Users\Admin\AppData\Local\Temp\f765e17.exe

            Filesize

            97KB

            MD5

            1e715ae90795ca6f722a87f2a8038b0d

            SHA1

            af4444752677b1843df0b42034cf6bf08e81e3bd

            SHA256

            00f17a78616169ccd1fa2e89d63ea0aecd77b00d8ce71939e6d977530a57e24a

            SHA512

            10e6b08a63627f60dea2806602cef94ce034ce9db77417e89e2740c7624c3cf215e09192d425677715b48f79fcd2bda1d9301af350e80602485324d8d3a99cc7

          • C:\Users\Admin\AppData\Local\Temp\f766e8b.exe

            Filesize

            97KB

            MD5

            1e715ae90795ca6f722a87f2a8038b0d

            SHA1

            af4444752677b1843df0b42034cf6bf08e81e3bd

            SHA256

            00f17a78616169ccd1fa2e89d63ea0aecd77b00d8ce71939e6d977530a57e24a

            SHA512

            10e6b08a63627f60dea2806602cef94ce034ce9db77417e89e2740c7624c3cf215e09192d425677715b48f79fcd2bda1d9301af350e80602485324d8d3a99cc7

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            e3561929c2ae2a75dc44529c84c9fe9e

            SHA1

            148006f4c0a7256ab29f37d8e7b773b4f1347c84

            SHA256

            a917c360d732ce931e98e6352215a8dd803134ced6e42f512d2398607b33ecda

            SHA512

            00fb177379ee82c22f422641bfbf5d760227c633c12389ad22fa06942b75da08e17901bf30ffc328f1ae4296a8eb87abd6dbbd42b039bf46aa0f5a1753b9f968

          • \Users\Admin\AppData\Local\Temp\f765476.exe

            Filesize

            97KB

            MD5

            1e715ae90795ca6f722a87f2a8038b0d

            SHA1

            af4444752677b1843df0b42034cf6bf08e81e3bd

            SHA256

            00f17a78616169ccd1fa2e89d63ea0aecd77b00d8ce71939e6d977530a57e24a

            SHA512

            10e6b08a63627f60dea2806602cef94ce034ce9db77417e89e2740c7624c3cf215e09192d425677715b48f79fcd2bda1d9301af350e80602485324d8d3a99cc7

          • \Users\Admin\AppData\Local\Temp\f765476.exe

            Filesize

            97KB

            MD5

            1e715ae90795ca6f722a87f2a8038b0d

            SHA1

            af4444752677b1843df0b42034cf6bf08e81e3bd

            SHA256

            00f17a78616169ccd1fa2e89d63ea0aecd77b00d8ce71939e6d977530a57e24a

            SHA512

            10e6b08a63627f60dea2806602cef94ce034ce9db77417e89e2740c7624c3cf215e09192d425677715b48f79fcd2bda1d9301af350e80602485324d8d3a99cc7

          • \Users\Admin\AppData\Local\Temp\f765e17.exe

            Filesize

            97KB

            MD5

            1e715ae90795ca6f722a87f2a8038b0d

            SHA1

            af4444752677b1843df0b42034cf6bf08e81e3bd

            SHA256

            00f17a78616169ccd1fa2e89d63ea0aecd77b00d8ce71939e6d977530a57e24a

            SHA512

            10e6b08a63627f60dea2806602cef94ce034ce9db77417e89e2740c7624c3cf215e09192d425677715b48f79fcd2bda1d9301af350e80602485324d8d3a99cc7

          • \Users\Admin\AppData\Local\Temp\f765e17.exe

            Filesize

            97KB

            MD5

            1e715ae90795ca6f722a87f2a8038b0d

            SHA1

            af4444752677b1843df0b42034cf6bf08e81e3bd

            SHA256

            00f17a78616169ccd1fa2e89d63ea0aecd77b00d8ce71939e6d977530a57e24a

            SHA512

            10e6b08a63627f60dea2806602cef94ce034ce9db77417e89e2740c7624c3cf215e09192d425677715b48f79fcd2bda1d9301af350e80602485324d8d3a99cc7

          • \Users\Admin\AppData\Local\Temp\f766e8b.exe

            Filesize

            97KB

            MD5

            1e715ae90795ca6f722a87f2a8038b0d

            SHA1

            af4444752677b1843df0b42034cf6bf08e81e3bd

            SHA256

            00f17a78616169ccd1fa2e89d63ea0aecd77b00d8ce71939e6d977530a57e24a

            SHA512

            10e6b08a63627f60dea2806602cef94ce034ce9db77417e89e2740c7624c3cf215e09192d425677715b48f79fcd2bda1d9301af350e80602485324d8d3a99cc7

          • \Users\Admin\AppData\Local\Temp\f766e8b.exe

            Filesize

            97KB

            MD5

            1e715ae90795ca6f722a87f2a8038b0d

            SHA1

            af4444752677b1843df0b42034cf6bf08e81e3bd

            SHA256

            00f17a78616169ccd1fa2e89d63ea0aecd77b00d8ce71939e6d977530a57e24a

            SHA512

            10e6b08a63627f60dea2806602cef94ce034ce9db77417e89e2740c7624c3cf215e09192d425677715b48f79fcd2bda1d9301af350e80602485324d8d3a99cc7

          • memory/1088-61-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-15-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-21-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-24-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-141-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1088-27-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-140-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-106-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-32-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-78-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-104-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-51-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-103-0x0000000001920000-0x0000000001922000-memory.dmp

            Filesize

            8KB

          • memory/1088-77-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-84-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-57-0x0000000001920000-0x0000000001922000-memory.dmp

            Filesize

            8KB

          • memory/1088-56-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-59-0x0000000001930000-0x0000000001931000-memory.dmp

            Filesize

            4KB

          • memory/1088-82-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-60-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-81-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-62-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-63-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-12-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-80-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-16-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1124-17-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2456-71-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2456-49-0x00000000004B0000-0x00000000004C2000-memory.dmp

            Filesize

            72KB

          • memory/2456-74-0x00000000004B0000-0x00000000004C2000-memory.dmp

            Filesize

            72KB

          • memory/2456-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2456-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2456-38-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2456-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2456-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2456-29-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2456-31-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB

          • memory/2456-39-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB

          • memory/2572-76-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2572-102-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2572-101-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2572-145-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-179-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-180-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-139-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-96-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2776-94-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB