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Analysis

  • max time kernel
    69s
  • max time network
    78s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24/12/2024, 19:55

General

  • Target

    566af5806f74b6031f2aaeab370d536838b0e9369d9df77f903bb2d8bae6357b.exe

  • Size

    848KB

  • MD5

    1059c99fb7a0e223b13b9c8250957bca

  • SHA1

    5247cddfbfea647592fbabc29923e721e9b91cc5

  • SHA256

    566af5806f74b6031f2aaeab370d536838b0e9369d9df77f903bb2d8bae6357b

  • SHA512

    4b9de9f731880016907f62376fcaac971984b92339a313a4b0bc3f3b1a47287bd1712b32e44a273bea1f15e286071c63390cd2ee8daea391955ff0d0e95a717d

  • SSDEEP

    24576:j37dJeBeU4UFPEP5/FkI7TqThAMceJEPoHfdt:rUFPEP5/FJ6T6MHJ8oHfdt

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 29 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1080
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Users\Admin\AppData\Local\Temp\566af5806f74b6031f2aaeab370d536838b0e9369d9df77f903bb2d8bae6357b.exe
            "C:\Users\Admin\AppData\Local\Temp\566af5806f74b6031f2aaeab370d536838b0e9369d9df77f903bb2d8bae6357b.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Writes to the Master Boot Record (MBR)
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1256
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1580

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\CabE7B2.tmp

            Filesize

            70KB

            MD5

            49aebf8cbd62d92ac215b2923fb1b9f5

            SHA1

            1723be06719828dda65ad804298d0431f6aff976

            SHA256

            b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

            SHA512

            bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

          • C:\Users\Admin\AppData\Local\Temp\TarE823.tmp

            Filesize

            181KB

            MD5

            4ea6026cf93ec6338144661bf1202cd1

            SHA1

            a1dec9044f750ad887935a01430bf49322fbdcb7

            SHA256

            8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

            SHA512

            6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

          • C:\wbilmx.exe

            Filesize

            97KB

            MD5

            62c87cb799300b69752d415bf68e8919

            SHA1

            c690959309ae5cacbde30b0dce51f81896f61884

            SHA256

            d9f6ded3ae37f3419c69f4da1f5459915a17460157e14025896b17c2b1cc4056

            SHA512

            08de62a5b7e2f322b99138fefdf300661783dca48cd7f1ac6f056b74a8a66ccdac02910e108758a9b8bb249e53fcf5965c82e24b828f9c472e65e1ea3d751493

          • memory/1080-18-0x0000000001C20000-0x0000000001C22000-memory.dmp

            Filesize

            8KB

          • memory/1256-34-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-38-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-5-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-7-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-10-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-39-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-29-0x00000000002D0000-0x00000000002D1000-memory.dmp

            Filesize

            4KB

          • memory/1256-12-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-31-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/1256-30-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/1256-26-0x00000000002D0000-0x00000000002D1000-memory.dmp

            Filesize

            4KB

          • memory/1256-25-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/1256-4-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-8-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-32-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-33-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-0-0x0000000000400000-0x00000000004D7000-memory.dmp

            Filesize

            860KB

          • memory/1256-35-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-11-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-36-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-3-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-40-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-42-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-44-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-51-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/1256-52-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-54-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-59-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-63-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-71-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-79-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-80-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-9-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-6-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-1-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-206-0x0000000000400000-0x00000000004D7000-memory.dmp

            Filesize

            860KB

          • memory/1256-207-0x0000000002050000-0x000000000310A000-memory.dmp

            Filesize

            16.7MB