Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 15:59

General

  • Target

    6dc3bea6ae109d0cf1192999ac7d2a1e5383a0fef562f295644e05b76e4da8c1N.dll

  • Size

    120KB

  • MD5

    2ea09ac747d586fbe7339ce81de532f0

  • SHA1

    a67b6cae9e3fcd5132b3e11322a7becd143a1841

  • SHA256

    6dc3bea6ae109d0cf1192999ac7d2a1e5383a0fef562f295644e05b76e4da8c1

  • SHA512

    92d4ed5d5dd1d1f1ad72f9601d3fe59ac1661c5826a054df5cf43071af9de2e4e74a0ae10009c735bb6603693b30ffa8bde05ed29739c97ab21cfe7514d5053a

  • SSDEEP

    1536:3ZlrSojzL4IsSu8SWffwmP7EH2nsAo/kZujNeoq3BPhxNCZyLvJvlqCa+J:3r3L4I5uiffHw2zolBteBP/NCkLvd

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 16 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 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:1096
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6dc3bea6ae109d0cf1192999ac7d2a1e5383a0fef562f295644e05b76e4da8c1N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1708
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6dc3bea6ae109d0cf1192999ac7d2a1e5383a0fef562f295644e05b76e4da8c1N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2524
              • C:\Users\Admin\AppData\Local\Temp\f769c8d.exe
                C:\Users\Admin\AppData\Local\Temp\f769c8d.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:1268
              • C:\Users\Admin\AppData\Local\Temp\f769e61.exe
                C:\Users\Admin\AppData\Local\Temp\f769e61.exe
                4⤵
                • Executes dropped EXE
                PID:3000
              • C:\Users\Admin\AppData\Local\Temp\f76b895.exe
                C:\Users\Admin\AppData\Local\Temp\f76b895.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:2380
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:884

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            7c37dd08b63f4915e1c9822c7dc8626f

            SHA1

            6d58e05a97e9f1ee16c4519a7fdb7593fb2b4edb

            SHA256

            f89b198c0acfb570b470e672732db57dea7ffe9acad2697ed4b1ef9e52a6b894

            SHA512

            ca231c42226223a542ddbfb29092cfd71622d527246395b1f52b22bdedfca864e23aea8439c3b33918bf42c05be733b9c53bca148bb8332646396de640120d10

          • \Users\Admin\AppData\Local\Temp\f769c8d.exe

            Filesize

            97KB

            MD5

            e23c9af3c5141ba5fe783f4cea121efc

            SHA1

            4cd08695a0348b27215cfc6ce96968e5c7edfc41

            SHA256

            44260ce606453d7da800ecfc10d96d3ed67812008ebb33d26409a031fcd8f488

            SHA512

            f7a0031cf01cd9c00bc6da5190dd4bb7241e10f631e66d5fa391d1db798b486b753e36e7aa35d6cf3e695bb4764dbdebe72d55a1bdce4546e61d77cd9f24953e

          • memory/1096-23-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/1268-86-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-22-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-83-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1268-16-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-14-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-69-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-68-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-149-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1268-63-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-39-0x0000000003B80000-0x0000000003B81000-memory.dmp

            Filesize

            4KB

          • memory/1268-62-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-65-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-66-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-17-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-19-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-82-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-20-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-40-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-61-0x0000000003A30000-0x0000000003A32000-memory.dmp

            Filesize

            8KB

          • memory/1268-60-0x0000000003A30000-0x0000000003A32000-memory.dmp

            Filesize

            8KB

          • memory/1268-64-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-87-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1268-41-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2380-105-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2380-103-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2380-102-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2380-161-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2380-204-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2380-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2380-203-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-31-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2524-42-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2524-6-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2524-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2524-50-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2524-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2524-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2524-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2524-30-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2524-77-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2524-53-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2524-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3000-129-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3000-104-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3000-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3000-176-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3000-106-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3000-96-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB