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Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10/05/2024, 22:35

General

  • Target

    6cd58da990c1a844a117bb0086fdf01360b1a46090f90ba82049ea35d5ced320.dll

  • Size

    120KB

  • MD5

    92ab36523dd715b2dadc88ac91b8fe93

  • SHA1

    9bef3d4f324fa18d868c4ec656f0e7a841ae38ba

  • SHA256

    6cd58da990c1a844a117bb0086fdf01360b1a46090f90ba82049ea35d5ced320

  • SHA512

    e6048c8dff19c9f7f3b48a453e953720240e0132eeea38e56f23925e6e808e6effa985a987ccdd0668e81ce8410ad470eb641abab74dcdaaede0fa8713106816

  • SSDEEP

    3072:c14BE9TeCj6lHDOXia2DWmmJOczT/1AHkbv:caBE9TFjiqXkWNNaMv

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 2 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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 22 IoCs
  • UPX dump on OEP (original entry point) 26 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 22 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 10 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1068
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cd58da990c1a844a117bb0086fdf01360b1a46090f90ba82049ea35d5ced320.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1868
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cd58da990c1a844a117bb0086fdf01360b1a46090f90ba82049ea35d5ced320.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2040
              • C:\Users\Admin\AppData\Local\Temp\f761890.exe
                C:\Users\Admin\AppData\Local\Temp\f761890.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2808
              • C:\Users\Admin\AppData\Local\Temp\f761a92.exe
                C:\Users\Admin\AppData\Local\Temp\f761a92.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 policy modification
                PID:2488
              • C:\Users\Admin\AppData\Local\Temp\f7637a4.exe
                C:\Users\Admin\AppData\Local\Temp\f7637a4.exe
                4⤵
                • Executes dropped EXE
                PID:2412
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2384

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            744b512106c22cc9dbe30b42856cc24f

            SHA1

            56aa68dad60c5991039fe0a3f69e93d9e3a21f2b

            SHA256

            1578925f689e122896d0cf739e2c34ea7b299bca21f5072b3e023631f67c7869

            SHA512

            f2c40508df9f95ed854e1fa881bdf0bcde7feab7d8039ca65f9b866ea626a93ce72a24c0ec909fe8161097b54934319beb57308392ec0086e8afd55915c3956e

          • \Users\Admin\AppData\Local\Temp\f761890.exe

            Filesize

            97KB

            MD5

            7a3475188ac8512bb4667629bf74298b

            SHA1

            c57cff47254cf69ee23f11c33a8d9ebc24a4e644

            SHA256

            7865e4b099f332bbc0a27caf27a1657e799a5e5d5aa3e717c4968b9788983a12

            SHA512

            bf55c1c3235fe25db155b550a03a516c895302d41bd26ea673aca9eade5ae9eadb62dfa1609c5f994035fc09779e57e16a3c40fca3d470de95403cbbaeccad9c

          • memory/1068-28-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2040-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2040-61-0x0000000000690000-0x0000000000692000-memory.dmp

            Filesize

            8KB

          • memory/2040-64-0x0000000000690000-0x0000000000692000-memory.dmp

            Filesize

            8KB

          • memory/2040-40-0x0000000000690000-0x0000000000692000-memory.dmp

            Filesize

            8KB

          • memory/2040-41-0x00000000006A0000-0x00000000006A1000-memory.dmp

            Filesize

            4KB

          • memory/2040-50-0x00000000006A0000-0x00000000006A1000-memory.dmp

            Filesize

            4KB

          • memory/2040-63-0x00000000006B0000-0x00000000006C2000-memory.dmp

            Filesize

            72KB

          • memory/2040-4-0x0000000000670000-0x0000000000682000-memory.dmp

            Filesize

            72KB

          • memory/2040-77-0x0000000000690000-0x0000000000692000-memory.dmp

            Filesize

            8KB

          • memory/2412-100-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2412-99-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2412-102-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2412-173-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2412-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-155-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-94-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2488-93-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2488-92-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2488-65-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-168-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-169-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-54-0x0000000001750000-0x0000000001752000-memory.dmp

            Filesize

            8KB

          • memory/2808-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-81-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-82-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-53-0x0000000001750000-0x0000000001752000-memory.dmp

            Filesize

            8KB

          • memory/2808-51-0x0000000003E20000-0x0000000003E21000-memory.dmp

            Filesize

            4KB

          • memory/2808-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-101-0x0000000001750000-0x0000000001752000-memory.dmp

            Filesize

            8KB

          • memory/2808-103-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-105-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-107-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-142-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-143-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2808-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-12-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB