Analysis

  • max time kernel
    85s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 14:06

General

  • Target

    6baf27a769f000e280544fcbd146d137ae34ba11716f1d0317d76cb22e91c850N.dll

  • Size

    120KB

  • MD5

    ccafb1fd460e03d5c164533b1aa4be70

  • SHA1

    1e9ba7185d1d23e2199101c0aaf6086988b3c23b

  • SHA256

    6baf27a769f000e280544fcbd146d137ae34ba11716f1d0317d76cb22e91c850

  • SHA512

    0b9adee0b95018d4471905d5d36553989631fe0d29be2079f131db849205daeb0845dfdaa12ee22196482495e77cd3aa2bc3a0f402fa88737c926be5c4ef37fc

  • SSDEEP

    1536:b0Msl5iQsw4wRMb+hrOt1QcZoeq5D/VUHG9Y7hV1dc/7MSnIj0sE47D:Psl54bwRMbgrJcZoeqxNUHGAcDM/Rj

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 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 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:1084
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1148
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6baf27a769f000e280544fcbd146d137ae34ba11716f1d0317d76cb22e91c850N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2696
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6baf27a769f000e280544fcbd146d137ae34ba11716f1d0317d76cb22e91c850N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3020
              • C:\Users\Admin\AppData\Local\Temp\f76a110.exe
                C:\Users\Admin\AppData\Local\Temp\f76a110.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:3068
              • C:\Users\Admin\AppData\Local\Temp\f76a2a5.exe
                C:\Users\Admin\AppData\Local\Temp\f76a2a5.exe
                4⤵
                • Executes dropped EXE
                PID:2744
              • C:\Users\Admin\AppData\Local\Temp\f76c024.exe
                C:\Users\Admin\AppData\Local\Temp\f76c024.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:2648
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1368

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            f90ade77d4607bf7eb9eb276393bd670

            SHA1

            6318a61a7fc0143c3157d9a5de66016720175c43

            SHA256

            b81b82dec202a10305e982143a82304029031b60c41e9b396f91cfa72f387b0d

            SHA512

            dc7342d39553651d68e74c412d87e4568ccd90b448d6e6cf5758378cbfb4d19f47b286860244bde222a7fff4b8965fa6e239d72cd58cfd6dd2a27e556f808204

          • \Users\Admin\AppData\Local\Temp\f76a110.exe

            Filesize

            97KB

            MD5

            3328874226efef4623c742a0bc8cece5

            SHA1

            fd876a7052d739257214ee24b141f12bde3f5456

            SHA256

            9f78b97fc3e3714cbd82b51cd7d8189e213a461996c3b5002cf9fe9ce6b196a4

            SHA512

            8d436f91725603949527727d0243b9389512b971ead56a90d76269d9c76f035e7bf714f31a3aba10eb3b651a0de76715645754303e8d5a2c283b7fe706f08a3e

          • memory/1084-24-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/2648-101-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2648-201-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2648-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2648-159-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2648-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2648-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2648-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2744-174-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-102-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2744-97-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2744-96-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2744-123-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3020-48-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/3020-40-0x0000000000190000-0x0000000000191000-memory.dmp

            Filesize

            4KB

          • memory/3020-203-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/3020-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3020-31-0x0000000000190000-0x0000000000191000-memory.dmp

            Filesize

            4KB

          • memory/3020-30-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/3020-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3020-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3020-6-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/3020-51-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/3020-50-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/3020-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3020-81-0x0000000000150000-0x0000000000152000-memory.dmp

            Filesize

            8KB

          • memory/3020-82-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/3068-54-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/3068-20-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-66-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-67-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-68-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-62-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-61-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-60-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-85-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-86-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-59-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-22-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-18-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-63-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-23-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-19-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-106-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-13-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-147-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3068-16-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-15-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-21-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-53-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/3068-39-0x00000000005D0000-0x00000000005D1000-memory.dmp

            Filesize

            4KB

          • memory/3068-17-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB