Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 16:43

General

  • Target

    ebe2efd80ec047878518885b82893deca09e9983f82ea8c1ba1f51d433943641N.dll

  • Size

    120KB

  • MD5

    3f85010be6e2b0fecb67205610e4f4f0

  • SHA1

    9a523e95f8098103a3c56a73e442bee7aed3e425

  • SHA256

    ebe2efd80ec047878518885b82893deca09e9983f82ea8c1ba1f51d433943641

  • SHA512

    f7d739dab5080f49967315c9a617c665daaaa1cdf6886b862d2af6511146d37829983a8a1153d22ebf021f7a435e2a92483831005edc0d42d9580e84fd44ddcf

  • SSDEEP

    3072:FGQ26AheqEtB/BO+GNShz7k4U5JV5fYCDqkJIJt:FdAoqQBBO+a8z9cX5fYXkGJt

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 14 IoCs

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

  • UPX packed file 23 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 46 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:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\ebe2efd80ec047878518885b82893deca09e9983f82ea8c1ba1f51d433943641N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2124
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\ebe2efd80ec047878518885b82893deca09e9983f82ea8c1ba1f51d433943641N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2360
              • C:\Users\Admin\AppData\Local\Temp\f76c18b.exe
                C:\Users\Admin\AppData\Local\Temp\f76c18b.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:2160
              • C:\Users\Admin\AppData\Local\Temp\f76c34f.exe
                C:\Users\Admin\AppData\Local\Temp\f76c34f.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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2848
              • C:\Users\Admin\AppData\Local\Temp\f76dd25.exe
                C:\Users\Admin\AppData\Local\Temp\f76dd25.exe
                4⤵
                • Executes dropped EXE
                PID:2812
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:300

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            5015b345db272a6702f5755cd749ee6d

            SHA1

            50f043959acffa5ec66e6afb51310d26cdfeb781

            SHA256

            427a953c9640fb0ead650934f75cb66306fb9dad053a8f569f29ccd6f87411b1

            SHA512

            f92c9b110b58c3795e2ee5a4e84cf1bbb4e27034d0cacba19533c15db4f97f9522d380d364a37f7b951bac8171e2f60076e5c4091cebf882c9c8ac990555224f

          • \Users\Admin\AppData\Local\Temp\f76c18b.exe

            Filesize

            97KB

            MD5

            2eaf04c1386b763c5971a166e585fd55

            SHA1

            fa5091fbaf9b9e75ef6df7062122dcb95a690d99

            SHA256

            433ade9f713682299eca9cc76416e234e6a6736032990cbd3196585b72618b6a

            SHA512

            17fd821b5a95a7941de9d940612fa26cb5f21cafee5dff13f5cbdaf0419a2f067ca31ca2683257432f53283807f1c47ce75b0e27e541b9c916354650e7654369

          • memory/1116-25-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2160-17-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-22-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-24-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-63-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-64-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-19-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-16-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-23-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-157-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-87-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-85-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-58-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2160-56-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2160-84-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-70-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-69-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-20-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-42-0x00000000002A0000-0x00000000002A1000-memory.dmp

            Filesize

            4KB

          • memory/2160-67-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-66-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-18-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-14-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-65-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-21-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2360-12-0x0000000000680000-0x0000000000692000-memory.dmp

            Filesize

            72KB

          • memory/2360-33-0x0000000000690000-0x0000000000692000-memory.dmp

            Filesize

            8KB

          • memory/2360-34-0x00000000006E0000-0x00000000006E1000-memory.dmp

            Filesize

            4KB

          • memory/2360-43-0x00000000006E0000-0x00000000006E1000-memory.dmp

            Filesize

            4KB

          • memory/2360-51-0x0000000000690000-0x0000000000692000-memory.dmp

            Filesize

            8KB

          • memory/2360-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2360-74-0x00000000007A0000-0x00000000007B2000-memory.dmp

            Filesize

            72KB

          • memory/2360-53-0x00000000006F0000-0x0000000000702000-memory.dmp

            Filesize

            72KB

          • memory/2360-54-0x0000000000690000-0x0000000000692000-memory.dmp

            Filesize

            8KB

          • memory/2360-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2360-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2812-137-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2812-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2812-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2812-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2812-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2812-200-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2848-98-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2848-195-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2848-170-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-100-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2848-99-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2848-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2848-132-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB