Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 09:46

General

  • Target

    7670b3a4bb5e42a421f48c9cd3bd2365643b7027eeecd0ec4301741439b4b540N.dll

  • Size

    120KB

  • MD5

    1749b23a2d380ccacf278f082ae949a0

  • SHA1

    d72ac9c7959713e2b1282d3b82a9013f29237eb3

  • SHA256

    7670b3a4bb5e42a421f48c9cd3bd2365643b7027eeecd0ec4301741439b4b540

  • SHA512

    d6a9fce79d7d0854c3be9a02d342277de80e7d4625db07a701ae8a567ffd3ee726a4d024d04e15bc1bd4a06d02295971e712cdf70e010f0f4dc58775f0d8bf38

  • SSDEEP

    3072:OJv0HORJ8lEd09CySf7I2y3v8iEo6KzpNd8c9iSwG:ICqJXqCyS8JEiEoTd8c

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
  • 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 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 8 IoCs

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

  • UPX packed file 22 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\7670b3a4bb5e42a421f48c9cd3bd2365643b7027eeecd0ec4301741439b4b540N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2468
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\7670b3a4bb5e42a421f48c9cd3bd2365643b7027eeecd0ec4301741439b4b540N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1228
              • C:\Users\Admin\AppData\Local\Temp\f763fce.exe
                C:\Users\Admin\AppData\Local\Temp\f763fce.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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2728
              • C:\Users\Admin\AppData\Local\Temp\f76447f.exe
                C:\Users\Admin\AppData\Local\Temp\f76447f.exe
                4⤵
                • Executes dropped EXE
                PID:3040
              • C:\Users\Admin\AppData\Local\Temp\f765bb7.exe
                C:\Users\Admin\AppData\Local\Temp\f765bb7.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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2104
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1636

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76447f.exe

            Filesize

            97KB

            MD5

            51a5f9eb97899eae351ebee4e862efa6

            SHA1

            81b4c31d6fee9daa41365f4fc11a47c9067e79da

            SHA256

            46154ca7176e50ed11f7fc43f0d43e0fdba6c1721ba248049dd38874b14b8481

            SHA512

            b02db79b98d9109cff5003711ac7491c3065e1e163ba8da6984a983795d4c539eb5b079aca22be5afae7eb1fd1be126ed7032a47730847cf408f58f0c14f8779

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            7d62ecf194faaed6e65de65da57c315f

            SHA1

            1ac6c6d8ffdfb13e419dda9bf69720f2c229a681

            SHA256

            5cc37035d4a3d04e81a6fc29e4b0df84e31812fef16b39ef781e53f981428798

            SHA512

            a3efff47190cba68af41ef280912a812059d0531c52389d9559e6b39183a5c5d108c3cafda1d9e7c9445fac9ae97dcbc83ddd4d5f51dbc8b47c535679ddc0c2e

          • memory/1116-28-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/1228-59-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/1228-77-0x00000000003B0000-0x00000000003C2000-memory.dmp

            Filesize

            72KB

          • memory/1228-37-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1228-40-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1228-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1228-38-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1228-60-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1228-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1228-53-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/1228-8-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1228-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1228-78-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1228-76-0x00000000003B0000-0x00000000003C2000-memory.dmp

            Filesize

            72KB

          • memory/2104-204-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2104-105-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2104-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2104-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2104-168-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2104-167-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-12-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-75-0x0000000001690000-0x0000000001692000-memory.dmp

            Filesize

            8KB

          • memory/2728-83-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2728-50-0x0000000001690000-0x0000000001692000-memory.dmp

            Filesize

            8KB

          • memory/2728-84-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-108-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-109-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-110-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-114-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-47-0x0000000002E90000-0x0000000002E91000-memory.dmp

            Filesize

            4KB

          • memory/2728-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2728-149-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3040-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3040-122-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3040-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3040-96-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3040-98-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB