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Analysis

  • max time kernel
    33s
  • 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
    16/12/2024, 05:08

General

  • Target

    6bbf1bff8c2dd8396f4b3cd96993ed75ff7a9640a5a552fcd7db08314e0ac7b6N.dll

  • Size

    120KB

  • MD5

    52aba742b42a8b2c3f38d76c75a6e280

  • SHA1

    278b6b7fee8401e18d69e5816a8784fd242b1ecc

  • SHA256

    6bbf1bff8c2dd8396f4b3cd96993ed75ff7a9640a5a552fcd7db08314e0ac7b6

  • SHA512

    3c4bb4e88403c09d7f85e30382ed48deff46256883660836e1f9e69910fd41d435402c9435779147c90d8bf868d5a18697bedec6adb2349999059023654b5380

  • SSDEEP

    1536:2SVfsO/hVnR+EdiEIjy7W36Sx9tCxOCOwEdq+/mQSaY4tPjB9WGAq+868emufnNQ:ZzbR+EZH7c6S8Cq+OlB4tPdMGU8Y+2m

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 12 IoCs

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

  • UPX packed file 26 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1012
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2700
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2820
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2888
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3476
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bbf1bff8c2dd8396f4b3cd96993ed75ff7a9640a5a552fcd7db08314e0ac7b6N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2344
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bbf1bff8c2dd8396f4b3cd96993ed75ff7a9640a5a552fcd7db08314e0ac7b6N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:540
                      • C:\Users\Admin\AppData\Local\Temp\e579db7.exe
                        C:\Users\Admin\AppData\Local\Temp\e579db7.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:4716
                      • C:\Users\Admin\AppData\Local\Temp\e579f1e.exe
                        C:\Users\Admin\AppData\Local\Temp\e579f1e.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4500
                      • C:\Users\Admin\AppData\Local\Temp\e57d1e6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d1e6.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:2972
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3616
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3796
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3896
                      • 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:3496
                            • 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:5000
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1172
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4988

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e579db7.exe

                                    Filesize

                                    97KB

                                    MD5

                                    7081ae3911b51dff0fbf5f06dab9479f

                                    SHA1

                                    10b5eea784175357fe1422fcd3da5e30be4ef2e0

                                    SHA256

                                    9b863d39010871cfe52e1772b39a68bd2d8b1fadf96dfc2915802b3804545bf6

                                    SHA512

                                    b75855a1216d8ab5ded03e776e194fe3d74b1ab4826eb6d3dc5fca53af82fc73a943490927c1dc1346286c4a2ce0b95d2a3ac20296d48af36f7bd793f03d534a

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    7404db6ef6083dbd7ee6a501e502501d

                                    SHA1

                                    5ad2649d88d2e75e1495b41d73db1a7c5fb20d07

                                    SHA256

                                    cf7f1a70bdbe344aec7890643a3966510676b8ae818db75c3536ec6c92dd329d

                                    SHA512

                                    ed98d98a263a2ec76636308786b3be58cfb16827d77c3f367e670d683b883e05036ba341b9a967a0239bfcd3488751eb2983bdfe11e14c0176eaa4e83a709369

                                  • memory/540-47-0x0000000000E10000-0x0000000000E12000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/540-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/540-19-0x0000000000E10000-0x0000000000E12000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/540-28-0x0000000000E10000-0x0000000000E12000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/540-29-0x0000000004170000-0x0000000004171000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/540-20-0x0000000000E10000-0x0000000000E12000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2972-145-0x00000000008B0000-0x000000000196A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2972-103-0x00000000008B0000-0x000000000196A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2972-144-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4500-89-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4500-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4500-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4500-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4500-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4716-36-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-56-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-27-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-35-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-33-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-37-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-17-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-38-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-39-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-40-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-32-0x00000000007B0000-0x00000000007B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4716-8-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-10-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-11-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-48-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-26-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-58-0x00000000007B0000-0x00000000007B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4716-59-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-60-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-62-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-65-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-66-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-70-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4716-30-0x00000000007B0000-0x00000000007B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4716-24-0x0000000001C00000-0x0000000001C01000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4716-18-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-9-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-6-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB