Analysis

  • max time kernel
    37s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2024, 04:06

General

  • Target

    beb3391c0514db02c2ae92f2e3a30801dbcf50e8456488ffb863a48a6e931cadN.dll

  • Size

    120KB

  • MD5

    8bbb208860c62587815d5f43f89e27a0

  • SHA1

    7cb46181d64331b69a9f324938adfb4485f1f7ed

  • SHA256

    beb3391c0514db02c2ae92f2e3a30801dbcf50e8456488ffb863a48a6e931cad

  • SHA512

    3ea26bab870370b40c9afe21dca6dda5ad1862837ac4743eb9490f3179cd8511d2c4785ad05931fba10d96c8e821d5aac713301e5552c6ae262794f6e1d44389

  • SSDEEP

    3072:YRj/iIuUPdInt1iHOr7wgY/FRih3c7YN:lIu4dIt1iiZY9I+8N

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 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 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:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2672
          • 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:3020
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3456
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\beb3391c0514db02c2ae92f2e3a30801dbcf50e8456488ffb863a48a6e931cadN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2920
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\beb3391c0514db02c2ae92f2e3a30801dbcf50e8456488ffb863a48a6e931cadN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4288
                      • C:\Users\Admin\AppData\Local\Temp\e57b805.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b805.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:4988
                      • C:\Users\Admin\AppData\Local\Temp\e57ba67.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ba67.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4428
                      • C:\Users\Admin\AppData\Local\Temp\e57fc52.exe
                        C:\Users\Admin\AppData\Local\Temp\e57fc52.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:4192
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3596
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3776
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3864
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3924
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4008
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4148
                            • 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:3748
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3324
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:836
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3392
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:232
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2668

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\e57b805.exe

                                                Filesize

                                                97KB

                                                MD5

                                                6ec3ad7c80f41a0bc24906b38812c51c

                                                SHA1

                                                3e8efa0470415f5095e46f1d7f4024281f9a89d2

                                                SHA256

                                                9c360222b1f4c29b787f79f68d3d512eeff8035535825ed9390f5048dbf0e950

                                                SHA512

                                                3f291b37034c3e69d3e341017744b38db9e78483aceba251e118563aeabb227fc4ba7b6be5ecf7d5f4a5ddeddfb2e4e8a0bef486ee03a7d240051fd5d4fa570a

                                              • C:\Windows\SYSTEM.INI

                                                Filesize

                                                257B

                                                MD5

                                                bfd94f005f3bdd67677e7a79ae35bec0

                                                SHA1

                                                1bad4405f744d518d25b1d9002a3ea78afd8e906

                                                SHA256

                                                01f85f68cb117207cd171a8f354cc0ed77034d8eb1fc63bcb20c569e3cddec6e

                                                SHA512

                                                5c22e7e727bfb1968d729c16604d35c8434bfe2ca44438787ce35acb87031e9580849e54a98d969664fa37ce1ec661a74f260a530762506fea27735b57c0ca75

                                              • memory/4192-103-0x00000000004C0000-0x00000000004C2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4192-86-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4192-132-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/4192-84-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4192-91-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4192-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/4192-87-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4192-95-0x00000000006B0000-0x00000000006B1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/4192-98-0x00000000004C0000-0x00000000004C2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4192-92-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4192-133-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4192-90-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4288-26-0x0000000004010000-0x0000000004012000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4288-19-0x0000000004010000-0x0000000004012000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4288-27-0x0000000004010000-0x0000000004012000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4288-20-0x0000000004560000-0x0000000004561000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/4288-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                                Filesize

                                                128KB

                                              • memory/4428-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4428-83-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/4428-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/4428-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4428-40-0x0000000000530000-0x0000000000531000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/4988-37-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-79-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/4988-36-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-9-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-43-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-44-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-46-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-47-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-18-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-56-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-58-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-59-0x0000000000620000-0x0000000000622000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4988-62-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-38-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-35-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-11-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-33-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-34-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-23-0x0000000000630000-0x0000000000631000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/4988-28-0x0000000000620000-0x0000000000622000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4988-21-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-31-0x0000000000620000-0x0000000000622000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4988-13-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-8-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-10-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-6-0x0000000000850000-0x000000000190A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4988-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB