Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-09-2024 22:43

General

  • Target

    d55b819d7828c40532ec02714b72f8f0N.dll

  • Size

    120KB

  • MD5

    d55b819d7828c40532ec02714b72f8f0

  • SHA1

    6a70faaf0874c891de1c4fe7b42bfe7f343af7e4

  • SHA256

    16562cd2981b9a394ca66dfee352823d8f2f12907fff450f30db0cb7c82be5d5

  • SHA512

    9407239892c6040b06b40db1057599f05126c3b0a6d42310e2acd799cf401aeb6e6590910ba4c69979ceab13439749aacad38307bc684ba4d9d4a8571e6f7e4a

  • SSDEEP

    3072:qr/g9LcGId+dmRWXGofR3lrwSyzkesA43m+:Yw40XJfRNF3b3

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 21 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\d55b819d7828c40532ec02714b72f8f0N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2648
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\d55b819d7828c40532ec02714b72f8f0N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3040
              • C:\Users\Admin\AppData\Local\Temp\f768298.exe
                C:\Users\Admin\AppData\Local\Temp\f768298.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:2696
              • C:\Users\Admin\AppData\Local\Temp\f76840e.exe
                C:\Users\Admin\AppData\Local\Temp\f76840e.exe
                4⤵
                • Executes dropped EXE
                PID:2972
              • C:\Users\Admin\AppData\Local\Temp\f769e42.exe
                C:\Users\Admin\AppData\Local\Temp\f769e42.exe
                4⤵
                • Executes dropped EXE
                PID:2524
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1376

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\f768298.exe

            Filesize

            97KB

            MD5

            2126eb1dedbe8b8911d5650fcbeeaa02

            SHA1

            42d3bda145cb7495f69584b55fc57e111c091ebe

            SHA256

            3765db4f5db45e6519bf23552321087445853f56e797ca8f8a8ef75e2ce2e2da

            SHA512

            b0f3812d7b7b92f586f182de4f9287e63890ef39412c2d36276f2533adb095e5c099a8cb2e27ed4bc237f0d7583ac933fb7b1b541826d4f391345e94d3b33446

          • memory/1104-28-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2524-174-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2524-170-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2524-113-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2524-115-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2696-62-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-49-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2696-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-46-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2696-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-164-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-169-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-90-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-88-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-86-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-81-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2696-51-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2696-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-64-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-12-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-69-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2972-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2972-168-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2972-134-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2972-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2972-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2972-112-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/3040-73-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/3040-59-0x00000000002B0000-0x00000000002C2000-memory.dmp

            Filesize

            72KB

          • memory/3040-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3040-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3040-58-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/3040-85-0x0000000000110000-0x0000000000112000-memory.dmp

            Filesize

            8KB

          • memory/3040-57-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/3040-82-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/3040-37-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/3040-83-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/3040-38-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/3040-9-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/3040-47-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB