Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/11/2024, 16:05

General

  • Target

    bc7e3bde548b655371e4c68d74481f2c4102c628ce3b3129af7849ae08615cb8N.dll

  • Size

    120KB

  • MD5

    4a792d0e50d19c23e13a69b8ad02db60

  • SHA1

    ab496dc6052f5e6b442dc54d81dd2618afffcbea

  • SHA256

    bc7e3bde548b655371e4c68d74481f2c4102c628ce3b3129af7849ae08615cb8

  • SHA512

    1ceb7159e124963c8274c9b12c533df4e002df00b43a6035897827783b2e09c4bb16e2db30001257a10662829ec6647fc60a5ea1075cdadab18671a2a0ed75e2

  • SSDEEP

    1536:pSjeer8nzpM4MfNXbkVIXqzw5tkBgy+hNe9bmnpFl7jqhZxT2QjNKFojoRbxcaic:gj2M4MfBkXBgdA9bGj6vT38FojQlFD

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 7 IoCs

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

  • UPX packed file 28 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1012
        • 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:2660
            • 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:3512
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc7e3bde548b655371e4c68d74481f2c4102c628ce3b3129af7849ae08615cb8N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4108
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc7e3bde548b655371e4c68d74481f2c4102c628ce3b3129af7849ae08615cb8N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2160
                      • C:\Users\Admin\AppData\Local\Temp\e577f52.exe
                        C:\Users\Admin\AppData\Local\Temp\e577f52.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:1492
                      • C:\Users\Admin\AppData\Local\Temp\e578184.exe
                        C:\Users\Admin\AppData\Local\Temp\e578184.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4396
                      • C:\Users\Admin\AppData\Local\Temp\e57bc2c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bc2c.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:3160
                      • C:\Users\Admin\AppData\Local\Temp\e57bc4b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bc4b.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1100
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3612
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3816
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3912
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3972
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4056
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3536
                            • 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:208
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1704
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2000
                                  • C:\Windows\system32\BackgroundTaskHost.exe
                                    "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                    1⤵
                                      PID:752
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2408
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:1088

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\e577f52.exe

                                                Filesize

                                                97KB

                                                MD5

                                                847f2536f53bf9619338998763cab77e

                                                SHA1

                                                f1669c9d82d7ff1527d293cc2e423daeb42cdba3

                                                SHA256

                                                0c23d54905945ca37ec832be048d135f961ea8693b801581bea894d7fa30f647

                                                SHA512

                                                404baa6b51f3d9002885ed070000331ea0cc3e071b687e9f121fee44c91199e03702237a7427130e904fb1ab5cba69aaa0f8952abd41989e3e4bb02fd395e38a

                                              • C:\Windows\SYSTEM.INI

                                                Filesize

                                                257B

                                                MD5

                                                c68d294bd35ab7913ba627798064e39f

                                                SHA1

                                                513bb8fa52061a0af7df9ea2798516db5dff9508

                                                SHA256

                                                c1a77e4939e0898d756062e2766bb2875f78037a1f082f3e544520d9fa9779a9

                                                SHA512

                                                f6fd39a7aa42307ebb12c8f7e6d1e586e26152a91546be5622d8ea1cbc210f32683f08221312680901b769b59f6ebcc24f65baa6b0556145e6d87c8eea0bb809

                                              • memory/1100-59-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/1100-148-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/1492-38-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-6-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-26-0x0000000001B30000-0x0000000001B32000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1492-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/1492-9-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-44-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-12-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-28-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-18-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/1492-31-0x0000000001B30000-0x0000000001B32000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1492-72-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-19-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-10-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-8-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-65-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-34-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-35-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-36-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-63-0x0000000001B30000-0x0000000001B32000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1492-37-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-62-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-23-0x0000000001B40000-0x0000000001B41000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1492-61-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-58-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-43-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1492-11-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2160-30-0x0000000001050000-0x0000000001052000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2160-24-0x0000000001050000-0x0000000001052000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2160-21-0x00000000010F0000-0x00000000010F1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2160-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                                Filesize

                                                128KB

                                              • memory/2160-20-0x0000000001050000-0x0000000001052000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2160-55-0x0000000001050000-0x0000000001052000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/3160-101-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/3160-99-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/3160-96-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/3160-100-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/3160-98-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/3160-102-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/3160-144-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/3160-149-0x00000000007D0000-0x000000000188A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4396-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/4396-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4396-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/4396-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/4396-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                Filesize

                                                8KB