Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 23:00

General

  • Target

    bf209786a5542dc913ae829e0d1a0ada90a7f9c62fd04d1408619e903dd97bc6.exe

  • Size

    65KB

  • MD5

    f7004de7ea986ebbedbf764094221399

  • SHA1

    e16c033cdcbfb93c58a10b5b2388a834f8dfe031

  • SHA256

    bf209786a5542dc913ae829e0d1a0ada90a7f9c62fd04d1408619e903dd97bc6

  • SHA512

    ef8d352ba244126bdfed0ece6b33d3543d87e68349a267f8c1b56982cab2981e627981bce8ee8e36b4d7575c192037c03657700e57da7674aa074398b3b5de10

  • SSDEEP

    1536:K8VlsybzNUYpup7FcMzWr41NMy5D0ycRPLuYresuCt:FVlLVp2hcMzWs1j5YyW/uCt

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 31 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 30 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • 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:\Users\Admin\AppData\Local\Temp\bf209786a5542dc913ae829e0d1a0ada90a7f9c62fd04d1408619e903dd97bc6.exe
            "C:\Users\Admin\AppData\Local\Temp\bf209786a5542dc913ae829e0d1a0ada90a7f9c62fd04d1408619e903dd97bc6.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:1504
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1544

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\xtiui.exe

            Filesize

            97KB

            MD5

            a9ab0fd004934fb00c3c59aaf6ca9394

            SHA1

            ef9531e09103c680c33fe1bb50b7b334e20c1acf

            SHA256

            ece52f61972ee81ecc53dd4750744cb56f1245ae9ea7c391c4d2d3307dc83625

            SHA512

            a6593e0b12eedc535ca685b1e7b3bd3a4f0aa7e020fd5b7d089f76ba021b28949a4fb98b11c4fd810ecfe6e6e5c60e790f9c6087596d207e468cf08d6b246280

          • memory/1100-18-0x00000000020F0000-0x00000000020F2000-memory.dmp

            Filesize

            8KB

          • memory/1504-35-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-5-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-38-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-11-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-9-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-8-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-6-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-37-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-4-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-3-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-7-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-30-0x0000000004310000-0x0000000004312000-memory.dmp

            Filesize

            8KB

          • memory/1504-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1504-28-0x0000000004320000-0x0000000004321000-memory.dmp

            Filesize

            4KB

          • memory/1504-26-0x0000000004320000-0x0000000004321000-memory.dmp

            Filesize

            4KB

          • memory/1504-25-0x0000000004310000-0x0000000004312000-memory.dmp

            Filesize

            8KB

          • memory/1504-31-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-32-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-33-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-34-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-29-0x0000000004310000-0x0000000004312000-memory.dmp

            Filesize

            8KB

          • memory/1504-10-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-12-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-39-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-42-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-43-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-45-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-59-0x00000000042A0000-0x00000000042A1000-memory.dmp

            Filesize

            4KB

          • memory/1504-58-0x0000000002FE0000-0x0000000002FE2000-memory.dmp

            Filesize

            8KB

          • memory/1504-57-0x0000000002FE0000-0x0000000002FE2000-memory.dmp

            Filesize

            8KB

          • memory/1504-60-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-62-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-67-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-70-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-71-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-73-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-77-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-83-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-87-0x0000000002FE0000-0x0000000002FE2000-memory.dmp

            Filesize

            8KB

          • memory/1504-1-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1504-142-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB