Analysis

  • max time kernel
    118s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2025 22:25

General

  • Target

    d90ec8499c43b93805c1698dbf369b0858446e93434d0aa785986920af6591f1.exe

  • Size

    97KB

  • MD5

    9f001024235792435d06c971fa52401d

  • SHA1

    03d6e6d3312aa2fc7f93bb78ed7d58e7853bb0ca

  • SHA256

    d90ec8499c43b93805c1698dbf369b0858446e93434d0aa785986920af6591f1

  • SHA512

    f03b86cfdcb0b91a6feabb9b68d78e0c956aef16a13725f9b452a8efdc19d9e7d690132c608b640cedaf5735bb4ac3f8441ec0f4ca263ba139b5a2995cade91a

  • SSDEEP

    3072:pQ1ewI9cia/Oru54CShXcLj06hoMABmFTwK:tAia/J4Lck6Kwl

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.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 40 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:808
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:816
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3064
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:684
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3164
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3432
                  • C:\Users\Admin\AppData\Local\Temp\d90ec8499c43b93805c1698dbf369b0858446e93434d0aa785986920af6591f1.exe
                    "C:\Users\Admin\AppData\Local\Temp\d90ec8499c43b93805c1698dbf369b0858446e93434d0aa785986920af6591f1.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:5060
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3528
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3748
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3872
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3956
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4048
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3804
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2468
                              • 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:3496

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • F:\wefmcl.exe

                                  Filesize

                                  97KB

                                  MD5

                                  92ee5e659b781bc11b0a03f03086f18d

                                  SHA1

                                  9fa657ac6aa8cfbb64bca28ffebbb8a06e2a6264

                                  SHA256

                                  0539bb133d39eeed5822a41d2521a96006a869ffd4b39dddc7d1a1b3ee8630ab

                                  SHA512

                                  ed9f433afa91c0390c68188d515439d10b0fe58ff5fb6b3b83c7c64f550bc46801d304613483500980b9241d557fb47a01e323546a55aa61975b7f525a07be88

                                • memory/5060-33-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-70-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-5-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-4-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-6-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-1-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-14-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-15-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-20-0x0000000001C00000-0x0000000001C02000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5060-19-0x0000000001C00000-0x0000000001C02000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5060-8-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-18-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-17-0x0000000001C10000-0x0000000001C11000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/5060-16-0x0000000001C00000-0x0000000001C02000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5060-21-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-22-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-23-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-24-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-25-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-27-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-28-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-29-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-3-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-7-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-40-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-37-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-38-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-35-0x0000000001C00000-0x0000000001C02000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5060-42-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-44-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-45-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-48-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-49-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-51-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-52-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-54-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-56-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-62-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-65-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-66-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-68-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/5060-71-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-73-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-78-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-32-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5060-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB