Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 23:01

General

  • Target

    3b838016d6def264f54d30fa3240cb11e73280432362fd91e4bb06d3b8557a3f.dll

  • Size

    120KB

  • MD5

    054efd55c88573802e57210578a7b5eb

  • SHA1

    b548673ce8b935dac873b7905fc5fe7788e2e167

  • SHA256

    3b838016d6def264f54d30fa3240cb11e73280432362fd91e4bb06d3b8557a3f

  • SHA512

    420709496ddb28c8eb1efc36d3f3cfe779b23bc3957f427a71dbac278debf12d8f34fdf76d954e4508ac3b2bd83e7b5d6016c110ff53074d2d0e1a00e733e607

  • SSDEEP

    1536:dre7/EN+0bCpYB03nJzHYo6GlPAS4qUvOGgn4zUyz2obGNcfC4PqQoQP/9mBzo3:drQ/EE0GBnxJoS4xjg4zUxob8cfzPYe3

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 17 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1032
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1048
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1112
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b838016d6def264f54d30fa3240cb11e73280432362fd91e4bb06d3b8557a3f.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2268
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b838016d6def264f54d30fa3240cb11e73280432362fd91e4bb06d3b8557a3f.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2692
              • C:\Users\Admin\AppData\Local\Temp\f769cbc.exe
                C:\Users\Admin\AppData\Local\Temp\f769cbc.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:2340
              • C:\Users\Admin\AppData\Local\Temp\f769e42.exe
                C:\Users\Admin\AppData\Local\Temp\f769e42.exe
                4⤵
                • Executes dropped EXE
                PID:2864
              • C:\Users\Admin\AppData\Local\Temp\f76b98f.exe
                C:\Users\Admin\AppData\Local\Temp\f76b98f.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:3032
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1420

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f769cbc.exe

            Filesize

            97KB

            MD5

            53d578ea9725533a737ea6b2be23d09a

            SHA1

            661f5419050d4ce57dcb053cdb6b8cd12293afa2

            SHA256

            c7e233ab82cb70d6ae813b349cd4e24374050c9e3f05e9b4f3510be7ee9ba683

            SHA512

            9ab70fe07e3d0812c9fe588786d6d8c46766e60fa5f8bc060c7d1838a00b80ad78a0c335afe6b8c74b73f161c7f0d400435bc888c24404837446fa8ff80ca4c6

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            2859cf4f46d7cf0745716b915e8f22ba

            SHA1

            5e4617f658d3df092578409939f5450c9e90d190

            SHA256

            c41c88864924c50334e19cea1b1fd3330895057faad1a32e70ca9717323bd0aa

            SHA512

            6a8e7df517c97152878290219d024b3d5be0b9af1461b91e365b7909b6994bc08ad81bbfbfa9a2dc7a91c892407936d71e2219f6a989b67b6e656638a35c39e5

          • memory/1032-28-0x0000000001EA0000-0x0000000001EA2000-memory.dmp

            Filesize

            8KB

          • memory/2340-59-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-13-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-57-0x00000000016D0000-0x00000000016D2000-memory.dmp

            Filesize

            8KB

          • memory/2340-103-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-54-0x00000000016D0000-0x00000000016D2000-memory.dmp

            Filesize

            8KB

          • memory/2340-145-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-45-0x00000000016E0000-0x00000000016E1000-memory.dmp

            Filesize

            4KB

          • memory/2340-144-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2340-78-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2340-83-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-60-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-81-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-58-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-79-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-53-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2692-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-35-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2692-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2692-34-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2692-44-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2692-56-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2864-170-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2864-99-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2864-93-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2864-123-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3032-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3032-97-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/3032-166-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-98-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3032-100-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3032-77-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3032-197-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB