Analysis

  • max time kernel
    33s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 17:35

General

  • Target

    b836b9253a69becec7a0992ee75e72d490e4c7fe3c978a2f3238d172e6778cb2.dll

  • Size

    120KB

  • MD5

    1a6cc5ed8b02f30ff31665b8a8537311

  • SHA1

    3bae2ec2245bbc68b1520290b6a92882e8bbaaeb

  • SHA256

    b836b9253a69becec7a0992ee75e72d490e4c7fe3c978a2f3238d172e6778cb2

  • SHA512

    ecfc18114046f2662c5a3557c2ef97dfe45b36a8a7896ca30408b7080d0802eef5cb07db42a3c8568b27287ebf8a1e7f1c65d801280d47605ff230a911fb7934

  • SSDEEP

    3072:pND39Bfsztt1rCl5zntpffoBGVJvELKhffsM6D:DUzL1rCTnFVtg8sP

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 15 IoCs

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

  • UPX packed file 24 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:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1236
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1280
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b836b9253a69becec7a0992ee75e72d490e4c7fe3c978a2f3238d172e6778cb2.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3004
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b836b9253a69becec7a0992ee75e72d490e4c7fe3c978a2f3238d172e6778cb2.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2632
              • C:\Users\Admin\AppData\Local\Temp\f764ac6.exe
                C:\Users\Admin\AppData\Local\Temp\f764ac6.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\f764c7b.exe
                C:\Users\Admin\AppData\Local\Temp\f764c7b.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:2768
              • C:\Users\Admin\AppData\Local\Temp\f76677a.exe
                C:\Users\Admin\AppData\Local\Temp\f76677a.exe
                4⤵
                • Executes dropped EXE
                PID:1812
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:840

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            f553212a17de5efa43d137d1099b4a36

            SHA1

            32aded185746e937ead852a5df822ea243c62c41

            SHA256

            4d1adbc55ac48612bfd8c4195850fd5218898b9cc717b51b819fd10619109b2c

            SHA512

            3a2a3de9c7c1077842e64bfb08c8712413b6b9e65b9a8414f31d7830904881e5cb6677a97121f77efcf79ddfa7f08db0b5dd33fcaf76fde6f00959a07bc1dac7

          • \Users\Admin\AppData\Local\Temp\f764ac6.exe

            Filesize

            97KB

            MD5

            89d5b031b2b1b401ebcdc3da1ddb62e7

            SHA1

            0bc8c57e96a240918bac201759cfd366843cec6c

            SHA256

            9e216be8e972cc2f483494fcd58460c5ef60036d8af53a3a00dda17c6c83ac3f

            SHA512

            fb9ab954a2178d50be978f8666e30240cc0bddb2bd1bbc869284f3d490d1e181fc19f3e618f78e191b6f6e81b332d0413a2b0a58e1d3e2f69009675aab5deb06

          • memory/1128-25-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/1812-193-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1812-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1812-103-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1812-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1812-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2632-59-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2632-33-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2632-5-0x00000000000F0000-0x0000000000102000-memory.dmp

            Filesize

            72KB

          • memory/2632-7-0x00000000000F0000-0x0000000000102000-memory.dmp

            Filesize

            72KB

          • memory/2632-60-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2632-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2632-82-0x00000000000F0000-0x00000000000F2000-memory.dmp

            Filesize

            8KB

          • memory/2632-57-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2632-73-0x0000000000360000-0x0000000000372000-memory.dmp

            Filesize

            72KB

          • memory/2632-47-0x00000000001E0000-0x00000000001E1000-memory.dmp

            Filesize

            4KB

          • memory/2632-34-0x00000000001E0000-0x00000000001E1000-memory.dmp

            Filesize

            4KB

          • memory/2728-69-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-58-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2728-21-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-16-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-15-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-23-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-62-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-64-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-63-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-66-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-65-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-68-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-18-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-48-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2728-14-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-85-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-74-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-20-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-87-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-89-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-19-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-17-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-22-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

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

            Filesize

            72KB

          • memory/2728-152-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-130-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2768-105-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2768-107-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2768-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-188-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-185-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-98-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB