Analysis

  • max time kernel
    31s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 21:44

General

  • Target

    e736fd18752eaf1d21cbb2b408755239106d0324b481bcc33a8d6ab8635b18e3N.dll

  • Size

    120KB

  • MD5

    cafbc00b1b6e85ede833216bef91b650

  • SHA1

    ffe6c88cc7a5e02a558be485758cf944a288a7b2

  • SHA256

    e736fd18752eaf1d21cbb2b408755239106d0324b481bcc33a8d6ab8635b18e3

  • SHA512

    fca18abff8fc6296e907a4b6071bf2fc9c7d00eb8583c19750cd27809beb743ec28ae24a9c67044cc5a53b219096d6fe1a8caadf5555e54fcca00a3f712a3659

  • SSDEEP

    1536:aWy5q3OQsNw5HSwCWz2WklxYrBGDra43xgcHKkIzZaTHTk:Vyge9NPwCWqWklx+GDG43xnHPIzezk

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
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 13 IoCs

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

  • UPX packed file 27 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2648
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2660
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2772
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3516
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e736fd18752eaf1d21cbb2b408755239106d0324b481bcc33a8d6ab8635b18e3N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1680
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e736fd18752eaf1d21cbb2b408755239106d0324b481bcc33a8d6ab8635b18e3N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4928
                      • C:\Users\Admin\AppData\Local\Temp\e57bb32.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bb32.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:2376
                      • C:\Users\Admin\AppData\Local\Temp\e57bc4b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bc4b.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2744
                      • C:\Users\Admin\AppData\Local\Temp\e57e6b6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e6b6.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 WriteProcessMemory
                        • System policy modification
                        PID:4828
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3628
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3808
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3952
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4016
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3092
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4128
                            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                              1⤵
                                PID:1812
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3440
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4584

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57bb32.exe

                                    Filesize

                                    97KB

                                    MD5

                                    b5648ccc1c58698450748135ba1b8cad

                                    SHA1

                                    6d7c77bf9c638c2d799cd63ed0ef29ec2d9ef43f

                                    SHA256

                                    b36165725a6cf2d5cc368e514a2fb220594f341ee1f3cabc1799c4f9d43814e0

                                    SHA512

                                    8db29f2bc232f2835a705afb8404c21ab0632321ff3e82cfc0b13e9b08cc6038c03a2de09e7f6279a792d0054e337422f9609346ccc1d03678c9bd71fd084e91

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    a73658167283a951fffa9d7e9a860704

                                    SHA1

                                    58fc6a1ddb373eabe5942e6655e7b515474e81a1

                                    SHA256

                                    98448f2ef177d86f461514817cb2f256fb0cc0fc24e8e1137523c7a23d83656c

                                    SHA512

                                    affc2df3ad82fed60e04cf2741e266d40933a8fe53c78ce7b899e5392c8ac6fd630550d022bb76fcd81b42a97a038fd837ae92e148b5e5b3e68e63fe05a6c83b

                                  • memory/2376-63-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-16-0x0000000001A00000-0x0000000001A01000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2376-8-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-9-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-12-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-27-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-23-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2376-31-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-25-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-32-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-38-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-28-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2376-10-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-11-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-39-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2376-60-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-64-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-34-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-35-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-36-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-37-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-85-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2376-6-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-66-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-58-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-56-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-55-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-53-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2376-54-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2744-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2744-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2744-41-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2744-89-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4828-111-0x0000000004370000-0x0000000004371000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4828-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4828-101-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4828-110-0x0000000001B70000-0x0000000001B72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4828-122-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4828-124-0x0000000001B70000-0x0000000001B72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4828-146-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4928-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4928-48-0x0000000000BB0000-0x0000000000BB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4928-13-0x0000000000BB0000-0x0000000000BB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4928-22-0x0000000000BB0000-0x0000000000BB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4928-14-0x0000000000C00000-0x0000000000C01000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4928-29-0x0000000000BB0000-0x0000000000BB2000-memory.dmp

                                    Filesize

                                    8KB