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Analysis

  • max time kernel
    31s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2024, 12:57

General

  • Target

    fb6cbd0395d4be2152d5d02e7260b018c99627175e6f892b6bdff54733a51dccN.dll

  • Size

    120KB

  • MD5

    c850cdd9bd068ddc8dec4268c33e7b00

  • SHA1

    995a542c22c7d9a94e5a1f79512bc02b0ee0483b

  • SHA256

    fb6cbd0395d4be2152d5d02e7260b018c99627175e6f892b6bdff54733a51dcc

  • SHA512

    f543e3b60a64b545802b0d06f59a390a09b8957841a24c4967fe65c0ac345a7bd779f7470251110e8a23a08556be81c1eb6391383fbfe39f54b044f344940021

  • SSDEEP

    3072:oouz3qhIgv6n9XHDPY8kwFF26Px3V58D:DAqny9zPYXwfhPx3V58D

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 14 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 Program Files directory 3 IoCs
  • 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:780
    • 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:2620
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2744
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3020
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3360
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb6cbd0395d4be2152d5d02e7260b018c99627175e6f892b6bdff54733a51dccN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3636
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb6cbd0395d4be2152d5d02e7260b018c99627175e6f892b6bdff54733a51dccN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3820
                      • C:\Users\Admin\AppData\Local\Temp\e5792e9.exe
                        C:\Users\Admin\AppData\Local\Temp\e5792e9.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:2388
                      • C:\Users\Admin\AppData\Local\Temp\e5793f3.exe
                        C:\Users\Admin\AppData\Local\Temp\e5793f3.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4520
                      • C:\Users\Admin\AppData\Local\Temp\e57bf1a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bf1a.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:2904
                      • C:\Users\Admin\AppData\Local\Temp\e57bf49.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bf49.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3924
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3536
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3736
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3824
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3884
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3980
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4104
                            • 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:2296
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3400

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e5792e9.exe

                                  Filesize

                                  97KB

                                  MD5

                                  e1ac356aba37e2f7e64974ef31827596

                                  SHA1

                                  d708f87bb4088210727eac7687f94a1785300cc5

                                  SHA256

                                  f2fd236fbf1366ea4686dc0f0e74ea242c1cf4f3509a13220696c290ed396251

                                  SHA512

                                  40091ef29110fa343ae6b8a7b74c6a2948b2b890ba5de3a1666c787ecaa0fa103c0b933e716790b5c7bfc87dd5dcd2df470c73ae76845568deafd90d102ce4fe

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  9721ba147292037458734e6c5bc51892

                                  SHA1

                                  f5c3457eec9da656dde3551ac6492897ca263210

                                  SHA256

                                  3a99232bf9feee31dcf2384801d9787310608deb780181e299a855c48ae92681

                                  SHA512

                                  1ec2fc2e6ea5ce9a6427286ffc12f4e814685cf52741d62b94fdad2c85fbb6ca6cc0e7bfdc076066750687928d75bf94c89772ba6de1d24b7d40afc5a8eaff90

                                • memory/2388-39-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-76-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-29-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-12-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-28-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-30-0x0000000001B30000-0x0000000001B32000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2388-25-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2388-26-0x0000000001B30000-0x0000000001B32000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2388-11-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-8-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-100-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2388-77-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-16-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2388-74-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-70-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-9-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-35-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-36-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-34-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-37-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-38-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-6-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-40-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-10-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-69-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-66-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-65-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-62-0x0000000001B30000-0x0000000001B32000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2388-61-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-60-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2388-46-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2904-160-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2904-155-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2904-53-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3820-32-0x0000000004420000-0x0000000004422000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3820-54-0x0000000004420000-0x0000000004422000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3820-13-0x0000000004420000-0x0000000004422000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3820-14-0x0000000004A80000-0x0000000004A81000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3820-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3820-17-0x0000000004420000-0x0000000004422000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3924-59-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3924-159-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4520-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4520-99-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4520-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4520-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4520-31-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4520-43-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB