Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 04:22

General

  • Target

    b5c443265eaa3d3cd2e54481ef68fa15cc188107a130af4d6eb3654882a1f486.dll

  • Size

    120KB

  • MD5

    360c97700bffa464699a8fa2e6e417d8

  • SHA1

    27fed44aae9248625daf417a536338a7e997a098

  • SHA256

    b5c443265eaa3d3cd2e54481ef68fa15cc188107a130af4d6eb3654882a1f486

  • SHA512

    edc73061c1689de82a948c53f9eba59eb75e8d242b818564112dd85565ad03684bf4ca8c0b0fa37df50daae0f9beb960ab5526fc69dd2146c7a7abb901a80f39

  • SSDEEP

    1536:r2Abx4SLivmRTqtZ5fbp8stVqyVLwW1u868nj0CIwB4PEHdjj77gPWvlyxzPYecW:r54SLSZ5zbVLw8nj0z8gEFj78uvlydJ

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 18 IoCs

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

  • UPX packed file 25 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5c443265eaa3d3cd2e54481ef68fa15cc188107a130af4d6eb3654882a1f486.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2132
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5c443265eaa3d3cd2e54481ef68fa15cc188107a130af4d6eb3654882a1f486.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2128
              • C:\Users\Admin\AppData\Local\Temp\f77190c.exe
                C:\Users\Admin\AppData\Local\Temp\f77190c.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:2512
              • C:\Users\Admin\AppData\Local\Temp\f771ad1.exe
                C:\Users\Admin\AppData\Local\Temp\f771ad1.exe
                4⤵
                • Executes dropped EXE
                PID:2820
              • C:\Users\Admin\AppData\Local\Temp\f773756.exe
                C:\Users\Admin\AppData\Local\Temp\f773756.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:2932
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1348

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f77190c.exe

            Filesize

            97KB

            MD5

            0b648bee0e2a596c58e0a7cf0297bd65

            SHA1

            e0806b9d6ddc4e11c071dac49050626db283d677

            SHA256

            465767ce209587f92f037a55f168e80b9f67d4c60bc28852c9075c21ec13bc93

            SHA512

            e399a0ce4e7b3f4f177edad054100c299a9303009279db28423ff268bc43fb0feead0c76664c0c50da25e94ee36f5219f7b11c427e39e5176e5f2293d21b8471

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            fda98564f84205a80bd1e9eedd0707ce

            SHA1

            cd7106486300706d7e3b3990354fc56e27eed9f5

            SHA256

            f1d0ce0eee1793635c4eb4b82c7b7bb56a35b2935b5ebf69917c8bce7e921558

            SHA512

            d0fab543a6985241bd96995608b8da1ea692f91cf7708183cd290e3228d129940cd7fd69e4d2500da833ef508d3f3143e5ca5e44e25be6a093303d19d44212ee

          • memory/1112-25-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2128-12-0x0000000000120000-0x0000000000132000-memory.dmp

            Filesize

            72KB

          • memory/2128-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2128-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2128-56-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2128-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2128-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2128-32-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2128-33-0x0000000000150000-0x0000000000151000-memory.dmp

            Filesize

            4KB

          • memory/2128-59-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2128-58-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/2128-41-0x0000000000150000-0x0000000000151000-memory.dmp

            Filesize

            4KB

          • memory/2512-23-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-68-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-47-0x0000000000320000-0x0000000000321000-memory.dmp

            Filesize

            4KB

          • memory/2512-57-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2512-18-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-24-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-49-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2512-20-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-17-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-22-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-19-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-16-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-14-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-61-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-63-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-65-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-62-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-64-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-67-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-21-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-69-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-70-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2512-85-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-86-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2512-154-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-107-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-96-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2820-95-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2820-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2820-183-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2932-102-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2932-105-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2932-103-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2932-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2932-169-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-213-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2932-212-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB