Analysis

  • max time kernel
    124s
  • max time network
    79s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 23:40

General

  • Target

    41717f55eb67809aa2421dccdc7e17f6ee5ed7a425cb6f251ac1734dd41849dc.exe

  • Size

    97KB

  • MD5

    1ec273c114800c728092c731299967db

  • SHA1

    1b57989050fdc60035a9220f262498898dfe86f6

  • SHA256

    41717f55eb67809aa2421dccdc7e17f6ee5ed7a425cb6f251ac1734dd41849dc

  • SHA512

    3d1254e528e1d03ef0bcae237a6d485d62db02b75acb119fbe7f299a1b1f4bbeab8ca3c4f8b13c4b02c12e1b540b0552ba13c9e7321be62994d2d1a808960772

  • SSDEEP

    1536:Qb6MmyGHKB9cdereZt4YBW3ve78QCwqVlNBMdatL5z2:HMmyGHKYxtVBW2xCwqlgdaXy

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 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • UPX packed file 30 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1232
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1320
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1360
          • C:\Users\Admin\AppData\Local\Temp\41717f55eb67809aa2421dccdc7e17f6ee5ed7a425cb6f251ac1734dd41849dc.exe
            "C:\Users\Admin\AppData\Local\Temp\41717f55eb67809aa2421dccdc7e17f6ee5ed7a425cb6f251ac1734dd41849dc.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • 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:2660
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:928

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\atxrb.pif

            Filesize

            97KB

            MD5

            4025055df99d9bf019d0cf21ca7f3841

            SHA1

            d42dc60b613e5baa6da519bcc509c817c927adb3

            SHA256

            b1bd2f08d3cbd309510fae0ac8301cef7ecde7cb96f80be9ba94838551321b91

            SHA512

            8679cd8a15eab287aad0101cd0a005c0a1a159e877b741c31a241b6378ff639a5c2db149da3a5fdd415e812c92c53d3e5a1dd51955f07da39bda67ea35a56e76

          • memory/1232-5-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/2660-45-0x0000000001690000-0x0000000001692000-memory.dmp

            Filesize

            8KB

          • memory/2660-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-51-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-15-0x00000000035B0000-0x00000000035B1000-memory.dmp

            Filesize

            4KB

          • memory/2660-3-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-18-0x0000000002F30000-0x0000000002F32000-memory.dmp

            Filesize

            8KB

          • memory/2660-43-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-4-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-22-0x0000000002F30000-0x0000000002F32000-memory.dmp

            Filesize

            8KB

          • memory/2660-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-31-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-32-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-44-0x0000000001690000-0x0000000001692000-memory.dmp

            Filesize

            8KB

          • memory/2660-42-0x00000000016D0000-0x00000000016D1000-memory.dmp

            Filesize

            4KB

          • memory/2660-25-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-13-0x00000000035B0000-0x00000000035B1000-memory.dmp

            Filesize

            4KB

          • memory/2660-12-0x0000000002F30000-0x0000000002F32000-memory.dmp

            Filesize

            8KB

          • memory/2660-52-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-54-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-55-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-57-0x0000000002F30000-0x0000000002F32000-memory.dmp

            Filesize

            8KB

          • memory/2660-56-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-59-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-68-0x0000000001690000-0x0000000001692000-memory.dmp

            Filesize

            8KB

          • memory/2660-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-70-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-75-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-77-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-78-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-80-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-82-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-85-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-1-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB