Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 18:47

General

  • Target

    828b3e51a078e50aaacf8ca7a38a0525a7dd4879ad57292a34c33abdef528aa8N.dll

  • Size

    120KB

  • MD5

    478462e13bbcfd34b17dac66c3f0e450

  • SHA1

    bbc1ac5efb239dce722ce3750755249e7a47c06a

  • SHA256

    828b3e51a078e50aaacf8ca7a38a0525a7dd4879ad57292a34c33abdef528aa8

  • SHA512

    cdb71aa86b03b834bdcd4353d307c7babcfb06e9697e5f8b5f894ec6ff44faa35ab244b48a4faaaa430610f5a665525d746b44c40ad6ba0b463432e84840bbd6

  • SSDEEP

    3072:Q8VwIhJx55iUC9A2230Dur8mstHmqmz1:bBA230c87mqQ1

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 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:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\828b3e51a078e50aaacf8ca7a38a0525a7dd4879ad57292a34c33abdef528aa8N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2204
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\828b3e51a078e50aaacf8ca7a38a0525a7dd4879ad57292a34c33abdef528aa8N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:556
              • C:\Users\Admin\AppData\Local\Temp\f768ef7.exe
                C:\Users\Admin\AppData\Local\Temp\f768ef7.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:2516
              • C:\Users\Admin\AppData\Local\Temp\f7690da.exe
                C:\Users\Admin\AppData\Local\Temp\f7690da.exe
                4⤵
                • Executes dropped EXE
                PID:2712
              • C:\Users\Admin\AppData\Local\Temp\f76ac56.exe
                C:\Users\Admin\AppData\Local\Temp\f76ac56.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:2444
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1764

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            0cffdb5f0acf6e3804038fec5ff87559

            SHA1

            e6f17bf792b04b8602b3f0f8b771947ec46cc801

            SHA256

            f6ad8a6aaaf69fb087525bbb358e89f17e05062754639d03a0662c6bbf8c0ab7

            SHA512

            786ab8f79fd6ae78fbc72d5c37634e7ae4e39291c5c27344397f788dd0b234b7b2f662d5ada69bef6cdcd6da33d1955ddb1fcfc18302bf5ebacfd7c2f33b20bb

          • \Users\Admin\AppData\Local\Temp\f768ef7.exe

            Filesize

            97KB

            MD5

            b79230444699fb896deec4e7389644d1

            SHA1

            3732ff789bd56cad9e923f832293f60756637308

            SHA256

            50de226e4878ce67a7a04a9f309357390a7455d94393bf49ce0bc1d4b710c47b

            SHA512

            4e98035d13a876207d2932a87c347baece0d2377372e9ed72dfcef66b900e963310634d322aa24a05905dc59a6200f6b773c35147080b0bf06cb079efb22a676

          • memory/556-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/556-81-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/556-58-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/556-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/556-60-0x0000000000460000-0x0000000000472000-memory.dmp

            Filesize

            72KB

          • memory/556-37-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/556-38-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/556-61-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/556-80-0x0000000000480000-0x0000000000492000-memory.dmp

            Filesize

            72KB

          • memory/556-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/556-47-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/1128-28-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2444-175-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-109-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2444-107-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2444-105-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2444-207-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2444-208-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-48-0x00000000005A0000-0x00000000005A1000-memory.dmp

            Filesize

            4KB

          • memory/2516-87-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-14-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-21-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-19-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-63-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-64-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-65-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-66-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-67-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-69-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-70-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-18-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2516-50-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2516-79-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2516-85-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-16-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-51-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2516-13-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-20-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-17-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-22-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-15-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-89-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2516-151-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-130-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2712-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2712-101-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2712-106-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2712-108-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2712-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB