Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 05:01

General

  • Target

    e1b3dbdfe97e677bf787327451fdc07e9c119d8c0f17a521c85168390585e637.dll

  • Size

    120KB

  • MD5

    dab93dd63e4627f1ca110415eedee667

  • SHA1

    08c153d3c0c3a5a590ea77375cf78c8f268c3a4f

  • SHA256

    e1b3dbdfe97e677bf787327451fdc07e9c119d8c0f17a521c85168390585e637

  • SHA512

    974bbc7a0f222d256fb9dfbe1197552db8f40c75670264479cc8c250162cfe944844ab6dd65cdf2fbd3ed9f25c4a8d3b7b72ca998c2ea69c056ce06d86df1c8c

  • SSDEEP

    1536:2L+Gv8UulCFBZ9lrJp9l9/WdMrsZ5LMAeZjjN5CuZvefYdz22PltR9jO4bxVySVF:a7FZl9HIMK5LNe5jNU2T9N1Vzrvp

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.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 11 IoCs

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

  • UPX packed file 25 IoCs

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

  • 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 47 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1088
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1b3dbdfe97e677bf787327451fdc07e9c119d8c0f17a521c85168390585e637.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2356
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1b3dbdfe97e677bf787327451fdc07e9c119d8c0f17a521c85168390585e637.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2368
              • C:\Users\Admin\AppData\Local\Temp\f76c0df.exe
                C:\Users\Admin\AppData\Local\Temp\f76c0df.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:1636
              • C:\Users\Admin\AppData\Local\Temp\f76c429.exe
                C:\Users\Admin\AppData\Local\Temp\f76c429.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:2904
              • C:\Users\Admin\AppData\Local\Temp\f76e263.exe
                C:\Users\Admin\AppData\Local\Temp\f76e263.exe
                4⤵
                • Executes dropped EXE
                PID:2004
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1416

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            6759053b981aed01ac0baebcd7d2bde7

            SHA1

            96d92ec024eb2a3e699f8032f03fad5f81ba2b20

            SHA256

            5de56a2af5027ba8faedae0e9868655edafaa879d97114c3383256eac070de86

            SHA512

            98709ae425abbcd91d291c3553635a5b5c23f5849e710de35a7010346227860bedde42a4ffebe8d8883af422641d31810225a8fb9c7b5c8fbe6ad6339a384179

          • \Users\Admin\AppData\Local\Temp\f76c0df.exe

            Filesize

            97KB

            MD5

            8f47b99e4ead26eca09c079a517e9efd

            SHA1

            296b66aa88e4f8af5ee6acf80be8b27368244082

            SHA256

            ed1096429de1d3dc6a8c9b3aa3ce993a2181fffbbf44b4b85fdcdac43f9903e5

            SHA512

            6cfb545256bfe308df56d0889fa6db64f2dc39159fe173145f028aca609dbac882b328eb4895448ef70b463b13bfb6bdba5adc109cc36406bf91af75233bc1be

          • memory/1088-30-0x0000000001BC0000-0x0000000001BC2000-memory.dmp

            Filesize

            8KB

          • memory/1636-103-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-68-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1636-141-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1636-14-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-20-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-50-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/1636-108-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-107-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-106-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-22-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-16-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-24-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-83-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-82-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-142-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-18-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-19-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-101-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-17-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-63-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-48-0x0000000003C10000-0x0000000003C11000-memory.dmp

            Filesize

            4KB

          • memory/1636-21-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-23-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-67-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-58-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/1636-64-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-66-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2004-97-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2004-100-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2004-98-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2004-191-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2368-47-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2368-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2368-80-0x0000000000160000-0x0000000000166000-memory.dmp

            Filesize

            24KB

          • memory/2368-59-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2368-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2368-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2368-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2368-60-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2368-12-0x0000000000160000-0x0000000000172000-memory.dmp

            Filesize

            72KB

          • memory/2368-37-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2368-38-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2368-57-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2904-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2904-99-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2904-92-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2904-156-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2904-187-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2904-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2904-93-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB