Analysis

  • max time kernel
    111s
  • max time network
    147s
  • 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 01:52

General

  • Target

    7aa1740619927a5af487c00b81cda79324391005b4952f59c4123fedf3d16ed9.dll

  • Size

    120KB

  • MD5

    461e9cc96b019e22820fe47d476f263d

  • SHA1

    8d26e4966fc9e9850b22598c6415fb446ddeb48b

  • SHA256

    7aa1740619927a5af487c00b81cda79324391005b4952f59c4123fedf3d16ed9

  • SHA512

    a1dec4b6f2d9c00190ca615165bdd23edeb2386c7b5ba35da0f94bca5662ec2549d889819263f191a505e1e807431aa2c03a04ade1f95cd73e4f740e1d23d960

  • SSDEEP

    3072:IFKx3mylKN5kqFcTPGINIb5tzdsc25GV:XVmyYOV7XNatZyA

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 4 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 5 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2512
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2544
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2648
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3452
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7aa1740619927a5af487c00b81cda79324391005b4952f59c4123fedf3d16ed9.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1944
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7aa1740619927a5af487c00b81cda79324391005b4952f59c4123fedf3d16ed9.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3312
                      • C:\Users\Admin\AppData\Local\Temp\e5761b7.exe
                        C:\Users\Admin\AppData\Local\Temp\e5761b7.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:1580
                      • C:\Users\Admin\AppData\Local\Temp\e576300.exe
                        C:\Users\Admin\AppData\Local\Temp\e576300.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1604
                      • C:\Users\Admin\AppData\Local\Temp\e578ffb.exe
                        C:\Users\Admin\AppData\Local\Temp\e578ffb.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:448
                      • C:\Users\Admin\AppData\Local\Temp\e57900b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57900b.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:940
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3608
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3848
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • 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:1096
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4120
                            • 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:2496
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2556
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2156
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3716
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:892
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:5032

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e5761b7.exe

                                          Filesize

                                          97KB

                                          MD5

                                          7101f9cc592565808e0cba5f4877fcc1

                                          SHA1

                                          9c3d00a068cca032e835d6a6dcc29def9e644cc8

                                          SHA256

                                          26b1159d90cf486805732832645a2c0075670c495a075909d4d327f19c5b4f9f

                                          SHA512

                                          d8a2a39d4d7e7ba0471905a1ab6d0cf607dea04f6bf685ff83833f964473e97ae0e0ad5dd54cb601cd333831544daafd4e741cb6d50bea8c0bc2eba71bc28de7

                                        • C:\Windows\SYSTEM.INI

                                          Filesize

                                          256B

                                          MD5

                                          ff0a6cf307f7ae96aa9d3a46939275ff

                                          SHA1

                                          da55cbcd91ba2d4762e3a9c0488bfea019555d1a

                                          SHA256

                                          6b5b811178e29148efa7544d9d841b4a4306f0b3a21ccdc7c4ab8566e9751300

                                          SHA512

                                          9dd19b1cfbc53a92e7ea879f17948bd05061f2d1f45c857af7fb246cc2f7c285c3f945526bd3ea3c3877e9d2fc8b0ef48e2ad2dfc435db13e8f8fd99b89501ac

                                        • memory/448-156-0x0000000000760000-0x000000000181A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/448-155-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/448-97-0x0000000000760000-0x000000000181A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-58-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/940-154-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1580-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-35-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-33-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-18-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-12-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-29-0x0000000003660000-0x0000000003662000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1580-25-0x0000000003660000-0x0000000003662000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1580-22-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1580-11-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-16-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1580-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-9-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-67-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-37-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-10-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-39-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-40-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-96-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1580-74-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-71-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-70-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-57-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-23-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-60-0x0000000003660000-0x0000000003662000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1580-61-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-62-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-63-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1580-65-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1604-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1604-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1604-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1604-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1604-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3312-52-0x0000000003B90000-0x0000000003B92000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3312-30-0x0000000003B90000-0x0000000003B92000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3312-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3312-13-0x0000000003B90000-0x0000000003B92000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3312-14-0x0000000003C20000-0x0000000003C21000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3312-19-0x0000000003B90000-0x0000000003B92000-memory.dmp

                                          Filesize

                                          8KB