Analysis

  • max time kernel
    26s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2025 12:29

General

  • Target

    33a86b709a20c41c563b36ac253672c4c2465d90f28538453bb8a1fb3aa38810N.dll

  • Size

    120KB

  • MD5

    5b9d74025bfba7483544b9eefead7d70

  • SHA1

    f95be7e474d4e0515733ebf00e27b839699c793d

  • SHA256

    33a86b709a20c41c563b36ac253672c4c2465d90f28538453bb8a1fb3aa38810

  • SHA512

    6dc27820b15c525253481ab3090fb08d7c83cf8ba1c2ae070213663d2c4fba23817d3ec71c049d6837c7701947815c90f7438a8bc416c55aafac3dd8bfb3c4ca

  • SSDEEP

    1536:fNJL/pVO3EzquguUeIfvpBTIw+VdHnyDe0mP5SodVv5O8ReCiJ1smMZOrvm7oxFg:F7s3BHuuvzYVrP5S0kf1smMZq+UaeO

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 16 IoCs

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

  • UPX packed file 23 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:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\33a86b709a20c41c563b36ac253672c4c2465d90f28538453bb8a1fb3aa38810N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1820
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\33a86b709a20c41c563b36ac253672c4c2465d90f28538453bb8a1fb3aa38810N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2104
              • C:\Users\Admin\AppData\Local\Temp\f76ae68.exe
                C:\Users\Admin\AppData\Local\Temp\f76ae68.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:2188
              • C:\Users\Admin\AppData\Local\Temp\f76b06b.exe
                C:\Users\Admin\AppData\Local\Temp\f76b06b.exe
                4⤵
                • Executes dropped EXE
                PID:3028
              • C:\Users\Admin\AppData\Local\Temp\f76c9f3.exe
                C:\Users\Admin\AppData\Local\Temp\f76c9f3.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:2684
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1532

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76ae68.exe

            Filesize

            97KB

            MD5

            abccd0e729863d4e8b853e31828a25d2

            SHA1

            6a084bbffec2861a6fa653be1be23375d10cf372

            SHA256

            4d59362f5b2e6a4e757286d66b3171dc6a3eabcdaf3d43cf63a6aa87add2fccb

            SHA512

            7c71a7b76dc7ae0cdfc6afac544c15284387ecd27ea1f8f9ce7978dbe566ec42bd08f65ad56512a3c993511ac5d6e01632087a4a32602bfc9d2ae0d8a9a661c8

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            2ed74ac37e5bb0db76988ef3626d4e2e

            SHA1

            097afe220527bea825709be93dd32148ce2ce6a1

            SHA256

            61521af982861d50cd3bdba5f837e605286025ade4cc230247aece3cb7b33e8e

            SHA512

            8fca251e317651637996cbdc78f9bd2bd89a7a63c4568db21dad53ffdf112814bdbfd5d0635e4f817ef060a89e945e3a8d330ca35d9672640be546949ba52bd8

          • memory/1124-28-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2104-84-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2104-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2104-217-0x0000000000490000-0x00000000004A2000-memory.dmp

            Filesize

            72KB

          • memory/2104-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2104-79-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2104-57-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2104-85-0x0000000000490000-0x00000000004A2000-memory.dmp

            Filesize

            72KB

          • memory/2104-38-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2104-5-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2104-60-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2104-37-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2104-59-0x0000000000360000-0x0000000000372000-memory.dmp

            Filesize

            72KB

          • memory/2104-47-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2188-63-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-15-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-48-0x0000000000850000-0x0000000000851000-memory.dmp

            Filesize

            4KB

          • memory/2188-58-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2188-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-12-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-22-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2188-64-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-65-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-67-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-66-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-69-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-70-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-161-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-14-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-50-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2188-76-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2188-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-88-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-89-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-92-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-16-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2684-107-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2684-110-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2684-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-179-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-216-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-215-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-103-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/3028-132-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/3028-111-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/3028-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3028-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB