Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 05:49

General

  • Target

    41d8f196f4f527d9a54e6b0aaa1c49528ab8f572da5f8e3d6d962e62734b6e1fN.dll

  • Size

    120KB

  • MD5

    44be68063dcea6fda4cc2877846652a0

  • SHA1

    887b029dd2ff32bac66568691d3cbeb332e8ec30

  • SHA256

    41d8f196f4f527d9a54e6b0aaa1c49528ab8f572da5f8e3d6d962e62734b6e1f

  • SHA512

    f719a39701eed7270fae5198d6e7f27f57abdab04bc12c6d313fbe7afca14b0f60ddc8da5ac655c8e0e2aa243057db09fd087b0b880be6a4e58f17649c6c46ae

  • SSDEEP

    1536:C0pjzDMcyqqCVi5Jxp+la7mjTt3khVGQYYYdXjukuXF66jCY/CR+wr95DQAAfHv8:DpXgVCYpk+gssLUjDcDE/h9YC

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 17 IoCs

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

  • UPX packed file 24 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\41d8f196f4f527d9a54e6b0aaa1c49528ab8f572da5f8e3d6d962e62734b6e1fN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2068
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\41d8f196f4f527d9a54e6b0aaa1c49528ab8f572da5f8e3d6d962e62734b6e1fN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:372
              • C:\Users\Admin\AppData\Local\Temp\f76a969.exe
                C:\Users\Admin\AppData\Local\Temp\f76a969.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:320
              • C:\Users\Admin\AppData\Local\Temp\f76aaef.exe
                C:\Users\Admin\AppData\Local\Temp\f76aaef.exe
                4⤵
                • Executes dropped EXE
                PID:2480
              • C:\Users\Admin\AppData\Local\Temp\f76c542.exe
                C:\Users\Admin\AppData\Local\Temp\f76c542.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:2680
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1868

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76a969.exe

            Filesize

            97KB

            MD5

            e211aef0d86f8db795fc988d4e7dfdd2

            SHA1

            a91e22a1607b1e182df8f6fd3ed1cb9fcab0ef48

            SHA256

            7139e5b581c7c422778ea44ccf9d3c04237571c57e9dcea22449b65b4da88c6e

            SHA512

            e4d67f88d6397b3b18038d04b92d04a30b20da84039a3012cb32898ebce0f34bfb6a6633313aee973530ae58b736a4714a11e78956bac83a41c9523e37d770e7

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            8c63390b1aa4426e8b7dc6a10b6549ee

            SHA1

            98f65643086564130d5234600e3bd3f3b253bbc3

            SHA256

            222b1ce29e49b5c1dab1a961daf6eb27dad166d7a1cd94774fa65344afd21ae2

            SHA512

            19e0cb73f02ef7984faaa6018403a06d7fd48a09c5d453b9d1e07205f04ecb060f19fab8372bc91dee8823939096a6cffa7db07d97a11a76574e78c7faac7ad1

          • memory/320-88-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/320-158-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-67-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-89-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-23-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-53-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/320-86-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-25-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-51-0x0000000001720000-0x0000000001721000-memory.dmp

            Filesize

            4KB

          • memory/320-73-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-24-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-72-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-69-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-70-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-92-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-26-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-68-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/320-62-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/320-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/320-66-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/372-7-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/372-50-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/372-64-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/372-13-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/372-41-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/372-42-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/372-63-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/372-84-0x0000000000730000-0x0000000000742000-memory.dmp

            Filesize

            72KB

          • memory/372-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/372-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/372-60-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/372-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/372-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1112-32-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2480-65-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2480-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2480-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2480-138-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2480-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2480-184-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2680-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2680-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2680-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2680-170-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-211-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB