Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 04:31

General

  • Target

    26f4d49733c8583ccb0f5c598973e890N.dll

  • Size

    120KB

  • MD5

    26f4d49733c8583ccb0f5c598973e890

  • SHA1

    4536fbe71bcaacae93b70e7b2d6d897600d4daf1

  • SHA256

    26f1f892bb9e929c5212a61e3cda12658e23431c65bc4eb0173984ad7d616fc3

  • SHA512

    7c71495860f082fe3e6817b65f7e67ac664ee9e2b086ea8bdbd652a0db22581d1f5b5038a7d7cfa4e1ae4b2ad577c73cbf49ab05a139960cb67a2735712c9073

  • SSDEEP

    1536:XUDz/ILTRIkb9FJKdZRdvp0rRWdzCvNw4EE2u5csquwmBg3WB6CAeKxiz7ogg2Px:XMj4WkpFJKxdvSrR4Hqhcs/B6CATYfW

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 3 IoCs
  • UPX packed file 34 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 14 IoCs

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

  • Drops file in Program Files directory 4 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:796
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2600
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2640
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2836
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3428
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\26f4d49733c8583ccb0f5c598973e890N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2880
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\26f4d49733c8583ccb0f5c598973e890N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:624
                      • C:\Users\Admin\AppData\Local\Temp\e576b1e.exe
                        C:\Users\Admin\AppData\Local\Temp\e576b1e.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:4048
                      • C:\Users\Admin\AppData\Local\Temp\e576c66.exe
                        C:\Users\Admin\AppData\Local\Temp\e576c66.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2476
                      • C:\Users\Admin\AppData\Local\Temp\e578685.exe
                        C:\Users\Admin\AppData\Local\Temp\e578685.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3692
                • 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: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:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4008
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2824
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4160
                            • 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:4416
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1740
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4708
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:3412
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2776

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e576b1e.exe

                                        Filesize

                                        97KB

                                        MD5

                                        d06fe1fc027af3ed430ffd898c24ff74

                                        SHA1

                                        ca64a6e852704bebd14c0274364b34f7c7350b1d

                                        SHA256

                                        2fa0a48ab41f854b24e4116d6dcbfa416c1d6d3ebe14ab84777ef4473800482e

                                        SHA512

                                        aa01f1a2deee417eed8ec6e75dc6460477acc961944f5fbb1221068d2ea8cd07ae529728a819905d93614d1deb5841169c87d3adca18fd501cc5c4fadac857de

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        257B

                                        MD5

                                        794162b3875e5694abd986f8b0f12959

                                        SHA1

                                        d8b0da41384c5dc0f9a120a5d34576632ffe33ae

                                        SHA256

                                        e5dbb588c4340e3bca0dddbb96f287a7c22e3026ec75b7ebb8e3edfa452fbfee

                                        SHA512

                                        6035cfca2f8306b0525d128658f6f30f055d7bad7a0db3724dd51bd165b96db077e1522b141a383ec5731f152b85c72f1a50624923d89f49d16a7d416ebd9a97

                                      • memory/624-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/624-13-0x0000000001050000-0x0000000001052000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/624-14-0x0000000001060000-0x0000000001061000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/624-18-0x0000000001050000-0x0000000001052000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/624-29-0x0000000001050000-0x0000000001052000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2476-81-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2476-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2476-109-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2476-59-0x0000000000870000-0x0000000000871000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2476-61-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2476-60-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3692-86-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3692-121-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3692-65-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3692-63-0x0000000000870000-0x0000000000871000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3692-139-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3692-140-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3692-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4048-42-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-67-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-36-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-37-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-38-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-39-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-40-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-34-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-43-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-17-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-53-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-51-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-54-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4048-56-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-32-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-9-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-11-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-16-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4048-21-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-35-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-68-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-71-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-73-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-74-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-75-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-76-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-78-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-22-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4048-83-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-84-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-28-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4048-96-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4048-105-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4048-88-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-12-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-10-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-8-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-6-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4048-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB