Analysis

  • max time kernel
    27s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 15:32

General

  • Target

    5aea7cda002b70bc86bf9b88bdd938b659f0dc52618b3dcf946790f4845e2b6dN.dll

  • Size

    120KB

  • MD5

    1711fedeb320429e12ad9d586e730480

  • SHA1

    4238e5195ca346382b862e94197d80be622e8a62

  • SHA256

    5aea7cda002b70bc86bf9b88bdd938b659f0dc52618b3dcf946790f4845e2b6d

  • SHA512

    e6333c7d5ebbf8050bd0015465325d04f1a45e8d23e669fe1558b21599cba4af9ecafc976d27ab8772ea5ba460ed2c1a505f4527d78cbb686b60b0ae76c11f84

  • SSDEEP

    1536:oumhzdYs6OaIdVToI5l4OfA5ErhL8r6fRPFt1UAd/HZaBPNlAzxc0oK7ZzqDJxoh:otNaIduO45Elm6fj9ClASAFu0

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 10 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:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5aea7cda002b70bc86bf9b88bdd938b659f0dc52618b3dcf946790f4845e2b6dN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1236
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5aea7cda002b70bc86bf9b88bdd938b659f0dc52618b3dcf946790f4845e2b6dN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2036
              • C:\Users\Admin\AppData\Local\Temp\f76be40.exe
                C:\Users\Admin\AppData\Local\Temp\f76be40.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:2040
              • C:\Users\Admin\AppData\Local\Temp\f76bfa7.exe
                C:\Users\Admin\AppData\Local\Temp\f76bfa7.exe
                4⤵
                • Executes dropped EXE
                PID:2836
              • C:\Users\Admin\AppData\Local\Temp\f76da0a.exe
                C:\Users\Admin\AppData\Local\Temp\f76da0a.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:2860
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1232

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            5d6cc1f7318722056e7b277ae21fcef9

            SHA1

            fa89eb7d3e449690c138af47f58ea2ca867e7cb3

            SHA256

            c7dbd5b1f31062f3386d848c0414d35086c5e9f5c7117e96e52b72b27bbf3e28

            SHA512

            4ab988275be454b50b888ce728942911b719746160bbedf9afa669cf5592665eff2852b025004ed08ed9215681c8c9d71c186adfe36c9e5b88a0b083400b99f6

          • \Users\Admin\AppData\Local\Temp\f76be40.exe

            Filesize

            97KB

            MD5

            fb59f77b551665ba08d7daa1e7977acd

            SHA1

            2dc7df1b6815ae64b4593dff25e7310519b3c908

            SHA256

            e015e28f4ba52bc9e146806476573cb3334cab1b9614146c274cb1ab0b557432

            SHA512

            198e3d25363a786fc17aae6292ac4ef79085eff7416ced7622a2e9c1bdf9a203802a6b4a5afe6f595590103637fe70f12688322346993a1fcfec32163c1fb7ce

          • memory/1108-23-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/2036-33-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2036-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2036-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2036-12-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/2036-78-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/2036-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2036-56-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2036-80-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2036-63-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2036-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2036-46-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2036-62-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2036-32-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2040-66-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-82-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-18-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-41-0x0000000000320000-0x0000000000321000-memory.dmp

            Filesize

            4KB

          • memory/2040-45-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2040-19-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-17-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-22-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-21-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-43-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-42-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-44-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-47-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2040-65-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-67-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2040-147-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-16-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-77-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2040-20-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-83-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-84-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2040-110-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-108-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-107-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2040-106-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2836-96-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2836-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2836-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2836-94-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2836-116-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2860-104-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2860-119-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2860-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2860-103-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2860-163-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2860-102-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2860-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2860-201-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB