Analysis

  • max time kernel
    124s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 06:08

General

  • Target

    42b6dba82428f2c91c2caece265900ab79bf12be141360b73fe0f95b34486153.exe

  • Size

    417KB

  • MD5

    20647c8fdb9685e97d672ff405ebe702

  • SHA1

    4767e95b96baca189ada65f5dc4e6da290e7893f

  • SHA256

    42b6dba82428f2c91c2caece265900ab79bf12be141360b73fe0f95b34486153

  • SHA512

    341e805a3947fd76683daa959c7a7b3295645311b72eadf03b2f411324088550de1e3a325fc14a096a1f17ac997863a3aa10f083498a03877602c71a1f8d9997

  • SSDEEP

    6144:8OJZ2tEYDbcgLhLwbrHRc6mRI0UdRQ525yWCc12x4qZ3wGeNq:dJGrDbcgmbjNfLdCiyW/2iqZkY

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 20 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 39 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.

  • Suspicious behavior: EnumeratesProcesses 28 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:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • 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:2656
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2840
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3520
                  • C:\Users\Admin\AppData\Local\Temp\42b6dba82428f2c91c2caece265900ab79bf12be141360b73fe0f95b34486153.exe
                    "C:\Users\Admin\AppData\Local\Temp\42b6dba82428f2c91c2caece265900ab79bf12be141360b73fe0f95b34486153.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
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4052
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3664
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3852
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3944
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4008
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4092
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3772
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4184
                              • 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:1644
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1612
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:3260
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3276
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3648
                                        • C:\Windows\system32\DllHost.exe
                                          C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                          1⤵
                                            PID:3140

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe

                                            Filesize

                                            431KB

                                            MD5

                                            f4151753a7ef2d45b110e9139bbacd6e

                                            SHA1

                                            392c3a07e2c609b67ddcff6824c80ad412871cb5

                                            SHA256

                                            b9b38e93bcbc711f731b423b5350e4c3eb27970d335068aba7ceef0461cacd29

                                            SHA512

                                            44b939a648407ae34af0df9882c1ebf549e66d9d00577bb7470fe6175159c0c1336880d39b90e23e28f4f513000b33cc482761c3b759b3a8b5686f6914fee7ec

                                          • C:\Users\Admin\AppData\Local\Temp\0E5788E7_Rar\42b6dba82428f2c91c2caece265900ab79bf12be141360b73fe0f95b34486153.exe

                                            Filesize

                                            345KB

                                            MD5

                                            d533436c03ff6be712d28fcacecbe14a

                                            SHA1

                                            b9390dbd5124473156c573d5c0d96ce91c821cf6

                                            SHA256

                                            b410163207d473babfe1f231a4f891a00e7df12ab533fbcc48de773af7765e00

                                            SHA512

                                            8f19106df51b4b8eccdcf15f00829a49cafeb657bd935565c5b0f7ceafdaa236f59ee8ae329b02b7ab4cf73f64bb9698aab7f25535d864924d5ac0327e795ab8

                                          • C:\wxdlqm.exe

                                            Filesize

                                            97KB

                                            MD5

                                            347048fc3880253b4228c8a91e4e085f

                                            SHA1

                                            9b9ffc700163d44d7161899887e609a9de4b9a31

                                            SHA256

                                            3c7dba0a31794655fbdfe67709beed0fd73f913c34bc7cc8fb1a912d6593333d

                                            SHA512

                                            8c3ffe0a86702cb08b2607abeec814c078264b44b1dbf61d5792e534c9b03e1af14983683d4ec2141eb7feeb7c1b8c2b2ba627454e8771a08727bd6f83618b70

                                          • memory/4052-0-0x0000000000400000-0x000000000046C000-memory.dmp

                                            Filesize

                                            432KB

                                          • memory/4052-15-0x0000000000660000-0x0000000000661000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4052-9-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-13-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-23-0x0000000000640000-0x0000000000642000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4052-12-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-26-0x0000000004700000-0x0000000004701000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4052-22-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-27-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-24-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-25-0x0000000000640000-0x0000000000642000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4052-10-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-21-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-11-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-14-0x0000000000640000-0x0000000000642000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4052-28-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-29-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-30-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-31-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-32-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-33-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-34-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-35-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-37-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-38-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-39-0x0000000000640000-0x0000000000642000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4052-40-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-42-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-44-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-46-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-49-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-51-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-54-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-56-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-57-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-58-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-64-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-66-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-69-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-70-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-73-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-75-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-77-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-78-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-80-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-82-0x0000000002370000-0x000000000342A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4052-97-0x0000000000400000-0x000000000046C000-memory.dmp

                                            Filesize

                                            432KB