Analysis

  • max time kernel
    33s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 08:09

General

  • Target

    5bf5496d1a4b920e2a6638a7aec7d698735034a31f14caa0a9c0c4910af66d96N.dll

  • Size

    120KB

  • MD5

    da5df45ef173a25286f94ff388046260

  • SHA1

    797fbbffc4e3b893f558cbac204efeb90b11615c

  • SHA256

    5bf5496d1a4b920e2a6638a7aec7d698735034a31f14caa0a9c0c4910af66d96

  • SHA512

    276d0f59787012ac89d6dfe6de18b7c702b8cb3c48f46ce6026f8d11e7799f3b760bad180a4cd24a792f9ee29566f7ab988e1f74b12fe1c25e4fbc5669dba54b

  • SSDEEP

    1536:cddxGEUt+Rdk0lKP4G5lH9Q3KVAuCsX+hFJLuM2nu04Ncp+88JMu7rL3ZxjFjCD:cdxGE++vkIY4MHdtXA9uM2uF886wLjG

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 9 IoCs

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

  • UPX packed file 30 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 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2652
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2680
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2776
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3536
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bf5496d1a4b920e2a6638a7aec7d698735034a31f14caa0a9c0c4910af66d96N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3152
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bf5496d1a4b920e2a6638a7aec7d698735034a31f14caa0a9c0c4910af66d96N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4748
                      • C:\Users\Admin\AppData\Local\Temp\e57ba47.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ba47.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:460
                      • C:\Users\Admin\AppData\Local\Temp\e57bbbe.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bbbe.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2428
                      • C:\Users\Admin\AppData\Local\Temp\e57ee67.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ee67.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:5028
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3652
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3828
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3920
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3984
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4076
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4124
                            • 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:3836
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3200
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4736
                                  • C:\Windows\system32\BackgroundTaskHost.exe
                                    "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                    1⤵
                                      PID:2888
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3980
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3720

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\e57ba47.exe

                                                Filesize

                                                97KB

                                                MD5

                                                4295ae0c4ec24a93fac3f81dfb71a631

                                                SHA1

                                                2f6be4826fcf19f690de3cdf95a33e8ccbe09732

                                                SHA256

                                                d9d3c6c0301fd38bedc655c9e65620b592bd5382d6021547daf1afab6d9d35fe

                                                SHA512

                                                9c304bee06d4639a0f9b09d9403302f26ed216866fdca4df3dc619f73d05089402651922d8f5339af5dbdba5a7696be9547952bdcbdcb5509e5fc838e61c0fcd

                                              • C:\Windows\SYSTEM.INI

                                                Filesize

                                                257B

                                                MD5

                                                72f31383d1dd3cb808f2058302300775

                                                SHA1

                                                b6f4a2fedfcb216ec271fad6fec10780eefc7908

                                                SHA256

                                                f7785216da2fcd2705e4ed7353e8db98090dac58341c8ce5da24ec775104f947

                                                SHA512

                                                a7e4a745c0e4644eb35ab570a37e7283c0ceeb45c55cc37d8b380aa5a11df3c018373a3ff347fdfee0dbb702688d7a094d93e50dab01c2544662a4d0edd028d8

                                              • memory/460-84-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/460-68-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-16-0x0000000001B00000-0x0000000001B01000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/460-17-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-25-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/460-29-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/460-27-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-33-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-26-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/460-12-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-11-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-43-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-10-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-53-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/460-62-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-9-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-35-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-37-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-60-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-58-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-57-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-56-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-44-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/460-55-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2428-64-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2428-88-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/2428-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/2428-42-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2428-40-0x00000000004F0000-0x00000000004F1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2428-41-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4748-14-0x0000000001340000-0x0000000001341000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/4748-23-0x0000000001330000-0x0000000001332000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4748-28-0x0000000001330000-0x0000000001332000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4748-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                                Filesize

                                                128KB

                                              • memory/4748-13-0x0000000001330000-0x0000000001332000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4748-48-0x0000000001330000-0x0000000001332000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/5028-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/5028-100-0x0000000000830000-0x00000000018EA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/5028-98-0x0000000000830000-0x00000000018EA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/5028-106-0x0000000004370000-0x0000000004371000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/5028-92-0x0000000000830000-0x00000000018EA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/5028-94-0x0000000000830000-0x00000000018EA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/5028-91-0x0000000000830000-0x00000000018EA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/5028-105-0x0000000003DE0000-0x0000000003DE2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/5028-140-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/5028-139-0x0000000000830000-0x00000000018EA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/5028-141-0x0000000000830000-0x00000000018EA000-memory.dmp

                                                Filesize

                                                16.7MB