Analysis

  • max time kernel
    29s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 22:52

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 11 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:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b838016d6def264f54d30fa3240cb11e73280432362fd91e4bb06d3b8557a3f.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2104
            • 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:3028
              • C:\Users\Admin\AppData\Local\Temp\f769cad.exe
                C:\Users\Admin\AppData\Local\Temp\f769cad.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:2360
              • C:\Users\Admin\AppData\Local\Temp\f769e13.exe
                C:\Users\Admin\AppData\Local\Temp\f769e13.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:2904
              • C:\Users\Admin\AppData\Local\Temp\f76bfe5.exe
                C:\Users\Admin\AppData\Local\Temp\f76bfe5.exe
                4⤵
                • Executes dropped EXE
                PID:1664
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1500

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            678b725290c95575ce0151783a1890f1

            SHA1

            3a6c5b44db7ed1923393ee00064d9a93b0132b9d

            SHA256

            c08ebddb4a36dafc445f41b8bbf91060146ce6772aa77e8e79aae34633bd9ef8

            SHA512

            fc807076f44153d114ce4397d2b2823197c6340964cfab86c54e1c19954a5821a6830845f6807cfbb108cd059733782cfd306711f3e24cbb888ef0406f787f8c

          • \Users\Admin\AppData\Local\Temp\f769cad.exe

            Filesize

            97KB

            MD5

            53d578ea9725533a737ea6b2be23d09a

            SHA1

            661f5419050d4ce57dcb053cdb6b8cd12293afa2

            SHA256

            c7e233ab82cb70d6ae813b349cd4e24374050c9e3f05e9b4f3510be7ee9ba683

            SHA512

            9ab70fe07e3d0812c9fe588786d6d8c46766e60fa5f8bc060c7d1838a00b80ad78a0c335afe6b8c74b73f161c7f0d400435bc888c24404837446fa8ff80ca4c6

          • memory/1120-28-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/1664-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1664-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1664-105-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2360-64-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-67-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-19-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-20-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-17-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-13-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-47-0x00000000004F0000-0x00000000004F1000-memory.dmp

            Filesize

            4KB

          • memory/2360-50-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2360-49-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2360-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2360-149-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2360-18-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-21-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-14-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-110-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-22-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-107-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-106-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-63-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-16-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-65-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-66-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-15-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-68-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2360-70-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-85-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2904-124-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2904-187-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2904-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2904-98-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2904-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2904-96-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2904-164-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2904-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3028-59-0x00000000005D0000-0x00000000005E2000-memory.dmp

            Filesize

            72KB

          • memory/3028-60-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3028-84-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/3028-53-0x00000000005D0000-0x00000000005E2000-memory.dmp

            Filesize

            72KB

          • memory/3028-36-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3028-37-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/3028-8-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/3028-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3028-71-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3028-82-0x00000000006F0000-0x0000000000702000-memory.dmp

            Filesize

            72KB

          • memory/3028-46-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB