Analysis

  • max time kernel
    30s
  • 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
    18/12/2024, 05:04

General

  • Target

    fdf0e5b020cd294e97e5c983c84c742428cc1071684d23e6a6e8c9d0c66e4b28N.dll

  • Size

    120KB

  • MD5

    c59671ec62f385ed57472752b4544a00

  • SHA1

    5a3222912561c89bbb05c99ab0260babeab96c9d

  • SHA256

    fdf0e5b020cd294e97e5c983c84c742428cc1071684d23e6a6e8c9d0c66e4b28

  • SHA512

    c94faa92d8194e6b0cd44e0eb89803e6a07c50dc2cafc4aaae6db67de540a819d5957a807d366ac98aba3bfc0406b6eb8ba39c8e4ffd3033ccc74991f3fe76db

  • SSDEEP

    3072:1VaQc7YLD0OHwM2mq349baISXXaRT+5oWj:s4AOHwMW34ZI+YoW

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 15 IoCs

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

  • UPX packed file 31 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 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:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2548
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2576
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2668
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3540
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdf0e5b020cd294e97e5c983c84c742428cc1071684d23e6a6e8c9d0c66e4b28N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:920
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdf0e5b020cd294e97e5c983c84c742428cc1071684d23e6a6e8c9d0c66e4b28N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:796
                      • C:\Users\Admin\AppData\Local\Temp\e57ab15.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ab15.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:940
                      • C:\Users\Admin\AppData\Local\Temp\e57ac2e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ac2e.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4884
                      • C:\Users\Admin\AppData\Local\Temp\e57d448.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d448.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:3236
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3644
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3848
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4032
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:1312
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3920
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4392
                              • 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:672
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1052

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e57ab15.exe

                                          Filesize

                                          97KB

                                          MD5

                                          d0f0188ff00e0af16ac796c8fe62404d

                                          SHA1

                                          b41943df0049f0a2dc5385627055cdbffc0678aa

                                          SHA256

                                          443659c41f012d0a0d0c12e03766a61033df262e7e28c3ef38bbad1f90ef9ff0

                                          SHA512

                                          cad504fb0cd0036e7e4a919f25a186640ad20ac970c74189efe69f5322a6127ea73cf20113e1ba08c5f83e50fe2f86413e636a0ae7b0e02cf90a85cee9d46894

                                        • C:\Windows\SYSTEM.INI

                                          Filesize

                                          257B

                                          MD5

                                          3991d80026ef3d36bba79ac79ad33ddb

                                          SHA1

                                          5d6f3b01afe54a27deb80b183a8e5527eee0344c

                                          SHA256

                                          7f85d93c23eb6371ef24e3d1b5e513f1f983dbb59fcbcab0b78bb90d9f530ad3

                                          SHA512

                                          fa24600fad5d60bf6969f4b9dd666a39425cc895e6782e8e9b1ea14b3073e1a7e88ce6151451e4135634010cdb2e39b01e5b653b7cbd8ac2ccf068714aaae371

                                        • memory/796-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/796-29-0x00000000011F0000-0x00000000011F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/796-22-0x00000000011F0000-0x00000000011F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/796-14-0x0000000001200000-0x0000000001201000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/796-13-0x00000000011F0000-0x00000000011F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/796-53-0x00000000011F0000-0x00000000011F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/940-41-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-47-0x00000000004A0000-0x00000000004A2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/940-26-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-30-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-12-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-32-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-34-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-28-0x00000000004A0000-0x00000000004A2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/940-27-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-24-0x00000000004A0000-0x00000000004A2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/940-9-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-16-0x00000000004B0000-0x00000000004B1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/940-8-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-35-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-36-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-37-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-38-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-39-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-10-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/940-89-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/940-70-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-6-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-11-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-55-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-56-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-57-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-59-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-62-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-63-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-64-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-66-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-68-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/940-69-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3236-105-0x0000000000770000-0x000000000182A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3236-115-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3236-114-0x0000000004370000-0x0000000004371000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3236-126-0x0000000000770000-0x000000000182A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3236-128-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3236-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3236-150-0x0000000000770000-0x000000000182A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4884-46-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4884-43-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4884-93-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4884-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB