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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/09/2024, 17:44

General

  • Target

    89c0a2b1b332297a04320e9b2134dfb0N.dll

  • Size

    120KB

  • MD5

    89c0a2b1b332297a04320e9b2134dfb0

  • SHA1

    ec67e9b7ac4e7eeb0135d752edc7a8d23650ee6b

  • SHA256

    be7e8c94e3bb29348cb48745bf99214ab67b3c7c83b0e48629bc1cc28e87776a

  • SHA512

    6c188a4897a1d269aa480627a728173fe20a11bf4343f62df9d81d11188a551ec540b627a17f4adb548d7935b1aa696565f36b4cc9b320edaf03bd922feffb0d

  • SSDEEP

    3072:PkhcQPieS7rzilcW2orYvBKozhwsv/m6+Js0eJdKwmG7:Pk6Q6vrzilcVyYvBKHwe6n0eJx7

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • 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:1092
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1228
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\89c0a2b1b332297a04320e9b2134dfb0N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2080
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\89c0a2b1b332297a04320e9b2134dfb0N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2156
              • C:\Users\Admin\AppData\Local\Temp\f771e98.exe
                C:\Users\Admin\AppData\Local\Temp\f771e98.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:2692
              • C:\Users\Admin\AppData\Local\Temp\f77207c.exe
                C:\Users\Admin\AppData\Local\Temp\f77207c.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:2684
              • C:\Users\Admin\AppData\Local\Temp\f773a33.exe
                C:\Users\Admin\AppData\Local\Temp\f773a33.exe
                4⤵
                • Executes dropped EXE
                PID:628
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1656

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f771e98.exe

            Filesize

            97KB

            MD5

            94263a135458e9f372c0a6ea940af2d9

            SHA1

            0dc3c19078db0868275c02ff25108f657112d699

            SHA256

            bc9791058f14e94589553182fff5638d8fe1883200e6393b49243ddeb9e7de85

            SHA512

            8af8dab2a2ddaea68f4dc839db7136ba06ab0ebd791a400245848076834b7784ca1466f0098ea6a752445258b6d986e1f784ea30a72a4175d5c8e47b9ea898eb

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            7cae9df6d497f47ee929a2a748534877

            SHA1

            bcd37f002a757654960aacc85dfba703fc8e8f33

            SHA256

            e60f5b32befdb3b84d00552aee2bf227aa87411f935674c9d917bb362b9919ca

            SHA512

            64ea6de1197e4a68abc414eee39c3f49e91bc0763cb8c199256419ee25acdcbfc804ade0a6b7ed9ca0d4b7b42f216ca64f0a41bc90fd4d0b09d8579dec01c3a1

          • memory/628-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/628-101-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/628-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/628-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/628-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1092-28-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2156-78-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2156-57-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2156-10-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2156-56-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2156-9-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2156-54-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2156-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2156-39-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2156-38-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2156-37-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2684-184-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2684-96-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2684-128-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2684-171-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-55-0x0000000000340000-0x0000000000342000-memory.dmp

            Filesize

            8KB

          • memory/2692-14-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-61-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-62-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-64-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-63-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-66-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-16-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-80-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-83-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-86-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-60-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-22-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-15-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-106-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-45-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2692-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-149-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-47-0x0000000000340000-0x0000000000342000-memory.dmp

            Filesize

            8KB

          • memory/2692-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-12-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB