Analysis

  • max time kernel
    78s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 19:53

General

  • Target

    7a421ece555ec12acfc1808fd03e337ac5f1284a3697af6994f786eb3b117803N.dll

  • Size

    120KB

  • MD5

    d966d3c1eeb0eaa9c0a5aacd031b7050

  • SHA1

    1ff918ddb8e8fa63dc2f7596ed42719959cb8bc2

  • SHA256

    7a421ece555ec12acfc1808fd03e337ac5f1284a3697af6994f786eb3b117803

  • SHA512

    a8e98b7d5019abd34c25fb8194bc136bbddb17b169cb54abe495a65f741f34b6a94e5da0fb5e9d16aa601764a1e838f81020408bbc53541c694ea4c55c7c92f6

  • SSDEEP

    3072:a2yozsdm63aUSxlnBVnRMO2X1YMhpb85kcBfU6:rym63gxdBVRb2lYMhaFB

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 15 IoCs

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

  • UPX packed file 26 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1048
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1096
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1156
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a421ece555ec12acfc1808fd03e337ac5f1284a3697af6994f786eb3b117803N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2556
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a421ece555ec12acfc1808fd03e337ac5f1284a3697af6994f786eb3b117803N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:108
              • C:\Users\Admin\AppData\Local\Temp\f76d681.exe
                C:\Users\Admin\AppData\Local\Temp\f76d681.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:2728
              • C:\Users\Admin\AppData\Local\Temp\f76dad5.exe
                C:\Users\Admin\AppData\Local\Temp\f76dad5.exe
                4⤵
                • Executes dropped EXE
                PID:2948
              • C:\Users\Admin\AppData\Local\Temp\f76f1fd.exe
                C:\Users\Admin\AppData\Local\Temp\f76f1fd.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:2764
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1016

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            adb87a67ab3cb90dfbda770dcdbd9ad3

            SHA1

            6870c34d9405ae6b3f7cba4d18b16a04ae95726d

            SHA256

            fb0a36081a25340d369c7429883305b3b04faf9ac285e70bf4e0be9c46db2167

            SHA512

            7a319b1f3ed73c56617f5ef159291c3b21dc03bcee50902b1b6ba1c401edd688693ba0876e4bf2cf26e51d312e257260d8b2c8ce4c43806593bb998830c516f5

          • \Users\Admin\AppData\Local\Temp\f76d681.exe

            Filesize

            97KB

            MD5

            f0e476ddf083de62372af2df34c40419

            SHA1

            8bfc1469a4fac4fde83182bfaabafedc332ab3ad

            SHA256

            39971fc5a46dbef79f70e6351c1525378a1a3811fffd2e0e35f516a496d3b536

            SHA512

            13cd9c581c4d337a693ab0380b7bf784e3874400e08dbf317c29242e750560ac15a34faeb5c60c2a8424342c71ea8ca2626a49b0b2b73dba9c424f7da5efc5b4

          • memory/108-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/108-8-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/108-79-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/108-80-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/108-57-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/108-58-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/108-59-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/108-60-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/108-38-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/108-40-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/108-37-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1048-28-0x0000000000620000-0x0000000000622000-memory.dmp

            Filesize

            8KB

          • memory/2728-64-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-81-0x00000000003B0000-0x00000000003B2000-memory.dmp

            Filesize

            8KB

          • memory/2728-14-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-15-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-16-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-50-0x00000000003B0000-0x00000000003B2000-memory.dmp

            Filesize

            8KB

          • memory/2728-49-0x00000000003B0000-0x00000000003B2000-memory.dmp

            Filesize

            8KB

          • memory/2728-48-0x00000000003C0000-0x00000000003C1000-memory.dmp

            Filesize

            4KB

          • memory/2728-18-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2728-19-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-22-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-21-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-63-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-20-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-65-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-66-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-67-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-69-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2728-71-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-13-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-17-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-11-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-86-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-88-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-90-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-92-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-93-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-159-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-175-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-111-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2764-113-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2764-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2764-215-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-176-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2764-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2948-103-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2948-163-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2948-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2948-105-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2948-132-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2948-104-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB