Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 21:53

General

  • Target

    259f1b22fd1e535213f8d1475c67f528e0754aa05d2d10a7b8a4b52e275facf8N.dll

  • Size

    120KB

  • MD5

    5f5aff8de399d1c5d64022e95b704f80

  • SHA1

    fc65e7a5e19dc66559319d555b0ba0034cf18b66

  • SHA256

    259f1b22fd1e535213f8d1475c67f528e0754aa05d2d10a7b8a4b52e275facf8

  • SHA512

    b572f28e2f16bbaa4c098dab377c404ac9d1ba23b28ef6c1296a5d78683ec0023389d32f15ced76f21311936fcdb9e77eb18252fae1970c3a90aa2e9ad1bca3f

  • SSDEEP

    3072:VkhYKY/qKHgSL5njZrGNkC5pwKHTy+ckztD7cosp:7K6qgV5jZrOllH9RztD7s

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 27 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: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:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\259f1b22fd1e535213f8d1475c67f528e0754aa05d2d10a7b8a4b52e275facf8N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2196
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\259f1b22fd1e535213f8d1475c67f528e0754aa05d2d10a7b8a4b52e275facf8N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1784
              • C:\Users\Admin\AppData\Local\Temp\f774efa.exe
                C:\Users\Admin\AppData\Local\Temp\f774efa.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:2672
              • C:\Users\Admin\AppData\Local\Temp\f77511c.exe
                C:\Users\Admin\AppData\Local\Temp\f77511c.exe
                4⤵
                • Executes dropped EXE
                PID:2540
              • C:\Users\Admin\AppData\Local\Temp\f776aa5.exe
                C:\Users\Admin\AppData\Local\Temp\f776aa5.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:556
        • 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

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            c682c618ebe6f7ef90fe091941b39edc

            SHA1

            702f0f0b17b48eb1dc5757e9ce32c7da373d65a4

            SHA256

            c5ca99304a758520440addffe2bbcc1dbd913b98da35a4a27e32ab5eaedb6cab

            SHA512

            e0ce10567bb579bf980fcb63ecb4e9d95b90ca34e86647bafdf344239f15849bcc02b533ef19a6bbbef7a281c23898340be2468a29200ab711f48cd85f094370

          • \Users\Admin\AppData\Local\Temp\f774efa.exe

            Filesize

            97KB

            MD5

            e8e07f3999dae4ad98092301c1b51d50

            SHA1

            a4f83e49df4483bfbbed1ec0b681b00bc6d9c393

            SHA256

            20cc0c93f7d5190fd3a7e4814d0ef917690d598339206ccd13a66bf86aa30768

            SHA512

            8169ba4c15b7104b876e35435dca3b70ef2e5b876f0db31bc0e46ba7e2b315563a1f6130befa4f0e57f6bbdd799ba1e5484d489f7e5f63a09e99a43f36fee226

          • memory/556-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/556-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/556-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/556-103-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/556-180-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/556-208-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/556-209-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/1052-31-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/1784-37-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1784-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1784-39-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1784-38-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1784-73-0x0000000000330000-0x0000000000342000-memory.dmp

            Filesize

            72KB

          • memory/1784-50-0x0000000000330000-0x0000000000342000-memory.dmp

            Filesize

            72KB

          • memory/1784-72-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1784-51-0x0000000000330000-0x0000000000342000-memory.dmp

            Filesize

            72KB

          • memory/1784-42-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1784-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1784-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1784-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1784-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1784-40-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2540-99-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2540-105-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2540-152-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2540-158-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2540-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-58-0x0000000003C20000-0x0000000003C21000-memory.dmp

            Filesize

            4KB

          • memory/2672-64-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-62-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-66-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-67-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-68-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-63-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-61-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-59-0x0000000003BD0000-0x0000000003BD2000-memory.dmp

            Filesize

            8KB

          • memory/2672-83-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-84-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-87-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-88-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-90-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-60-0x0000000003BD0000-0x0000000003BD2000-memory.dmp

            Filesize

            8KB

          • memory/2672-19-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-18-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-22-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-24-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-108-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-151-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-25-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-17-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-20-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-23-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-21-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-16-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB