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Analysis

  • max time kernel
    109s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 02:03

General

  • Target

    44cd8dc2bfa6b608b24637c18c581c20N.dll

  • Size

    120KB

  • MD5

    44cd8dc2bfa6b608b24637c18c581c20

  • SHA1

    ffbb5ffb69962618b6cd1d57093e93ce251a901d

  • SHA256

    8d78476799105b622465898f736a6763d4538a69698417dc04765ff392321a3b

  • SHA512

    2bf2e292cbd1c963b733fe80f886eac194eea0a351446e1743c198cf53dbfefe3c58d6fb2445277a012a061e49051012e625094690c2319970e538f4f3a99197

  • SSDEEP

    3072:nApnTT9zlob9xensewyvnU02bY5ubAm3Oks:nApTTdl4ensewyvnU0r53m3Oks

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 29 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • 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:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1008
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2508
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2520
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2684
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3544
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\44cd8dc2bfa6b608b24637c18c581c20N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:880
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\44cd8dc2bfa6b608b24637c18c581c20N.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:628
                      • C:\Users\Admin\AppData\Local\Temp\e57dadf.exe
                        C:\Users\Admin\AppData\Local\Temp\e57dadf.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3740
                      • C:\Users\Admin\AppData\Local\Temp\e57dc27.exe
                        C:\Users\Admin\AppData\Local\Temp\e57dc27.exe
                        4⤵
                        • Executes dropped EXE
                        PID:2528
                      • C:\Users\Admin\AppData\Local\Temp\e580088.exe
                        C:\Users\Admin\AppData\Local\Temp\e580088.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4908
                      • C:\Users\Admin\AppData\Local\Temp\e5800a7.exe
                        C:\Users\Admin\AppData\Local\Temp\e5800a7.exe
                        4⤵
                        • Executes dropped EXE
                        PID:4268
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3660
                  • 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:3948
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4024
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:516
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3044
                            • 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:4512
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1000
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2496
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2492
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1212
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2368

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e57dadf.exe

                                          Filesize

                                          97KB

                                          MD5

                                          731e5521d95f6c5f64ff01f17ba06395

                                          SHA1

                                          9654f0044c8561f09f1dcdeed2f961005c6c6405

                                          SHA256

                                          35904da8244e21955a9d9dbb7402133c1743eb0043f5026dfd6d1cc3ca8028a6

                                          SHA512

                                          264ac14e4e7f5ae97d3c2ee0f43430eaadce35b308c594378a8d335e969a350f35a3bc8caf1607b9e89b2c24aa43b835441e8a00bfa64fd52176ab347f6c31d0

                                        • C:\Windows\SYSTEM.INI

                                          Filesize

                                          257B

                                          MD5

                                          7de70d75de0072446e78b49dd6e17f61

                                          SHA1

                                          2b8716d09908e0c331f6c8ba7c70a088edb649d4

                                          SHA256

                                          7bbec1490e276c43e70fd144041bb9e931f33317a820b07166d5abb2ffdf16cc

                                          SHA512

                                          c657b1561062029a454acde2bda401a1e7e7fdff953839c43c04bdb8e133b1d063cea8b7b6e7f75cefeeb05e0a489e2c474027e7b6e95e09d381ceee1d352c6c

                                        • memory/628-29-0x00000000005C0000-0x00000000005C2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/628-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/628-21-0x00000000005C0000-0x00000000005C2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/628-27-0x00000000005C0000-0x00000000005C2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/628-28-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2528-110-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2528-69-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2528-66-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2528-59-0x00000000004F0000-0x00000000004F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2528-36-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3740-75-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-10-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-20-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-30-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-31-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-11-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-13-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-19-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-24-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3740-37-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-38-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-39-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-41-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-40-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-43-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3740-12-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-57-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-106-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3740-94-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3740-87-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-85-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-32-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3740-33-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3740-9-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-84-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-82-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-70-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-72-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-74-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-8-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-76-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3740-79-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4268-68-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4268-63-0x0000000000570000-0x0000000000571000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4268-65-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4268-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4268-161-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4908-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4908-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4908-61-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4908-49-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4908-127-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4908-162-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4908-163-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB