Analysis

  • max time kernel
    148s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 20:08

General

  • Target

    191939b1abf0699f75e05e0b66cbf440c0f1e52f943295fe235a7a8da168bc98.dll

  • Size

    120KB

  • MD5

    f4cf9357e33cff6728cc7a13e5abfd11

  • SHA1

    1bd6a7c6313962363031641aa64ad27d142c76df

  • SHA256

    191939b1abf0699f75e05e0b66cbf440c0f1e52f943295fe235a7a8da168bc98

  • SHA512

    dbea9ac3f3b74225b812dc74aec38c7acc511fb76f008937e7a7f5aeb8c5f4d1dfedd5d6497d4ccfc4a12cb864e214d48703434563db6bb87043bc33054382d2

  • SSDEEP

    1536:skGQ2bUozt646GLLAHLK2pQnnMFeI9fLZD/9PYi2FMZnEo2P36:jGpz5L8LKi3jZWinOP

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 29 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • 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:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2964
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3024
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2636
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\191939b1abf0699f75e05e0b66cbf440c0f1e52f943295fe235a7a8da168bc98.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3416
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\191939b1abf0699f75e05e0b66cbf440c0f1e52f943295fe235a7a8da168bc98.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3976
                      • C:\Users\Admin\AppData\Local\Temp\e577203.exe
                        C:\Users\Admin\AppData\Local\Temp\e577203.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 Program Files directory
                        • 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:2796
                      • C:\Users\Admin\AppData\Local\Temp\e5773a9.exe
                        C:\Users\Admin\AppData\Local\Temp\e5773a9.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4156
                      • C:\Users\Admin\AppData\Local\Temp\e579a1d.exe
                        C:\Users\Admin\AppData\Local\Temp\e579a1d.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:1060
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3564
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3740
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3904
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4112
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2316
                              • 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:1800
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:788

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e577203.exe

                                    Filesize

                                    97KB

                                    MD5

                                    8500ca715d19d7f4aed2e76390f768d3

                                    SHA1

                                    4b2aaf4dc89adc9d4610a5b61d549bdf7c816fe4

                                    SHA256

                                    6c531609332fdc02ba2270f722fe3b348386a7fac8bf8a53b255a8abd73d940a

                                    SHA512

                                    f4bc7c358c6afe0270d7ebb361bbdadcef32cccd2995d0b3eb3122132040f470d8739cf50af6f330df66ff7084248a8df81980c8f8ff5fff309997f673cc1315

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    e3a67ebe392b9facdfa7c1bc1d06b904

                                    SHA1

                                    deba21a56293e8993898649e3f7e15ffcfe8e889

                                    SHA256

                                    ccd639d120c10bee8a725ee0a4806fd2a6839ec7ee5fd11792ed3ca4a71cab68

                                    SHA512

                                    07f92eca31643deb1e0c297d363dfc1bfdef308177334e70b44e6a3d26ea25ff4303250e12631d28e9cbf57f50c69e3ccbf7a2cca2a205e241e635eb6ea44c45

                                  • memory/1060-49-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1060-146-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1060-145-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1060-103-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1060-97-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1060-53-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1060-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2796-39-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-65-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2796-28-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2796-26-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2796-6-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-10-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-9-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-33-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-34-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-17-0x0000000003D30000-0x0000000003D31000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2796-8-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-35-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-36-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-37-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-38-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-92-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2796-75-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-19-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-48-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-27-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-73-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-11-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-72-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-68-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-58-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-59-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2796-60-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-61-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-63-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-64-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-32-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2796-66-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3976-45-0x0000000001580000-0x0000000001582000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3976-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3976-12-0x0000000001580000-0x0000000001582000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3976-13-0x0000000001610000-0x0000000001611000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3976-14-0x0000000001580000-0x0000000001582000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3976-25-0x0000000001580000-0x0000000001582000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4156-51-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4156-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4156-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4156-96-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4156-31-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB