Analysis

  • max time kernel
    31s
  • 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
    09/11/2024, 12:16

General

  • Target

    6ba73892b4d58bbc522895037d54dff91d71efc09f38c9f7ac7b735a626b1e40N.dll

  • Size

    120KB

  • MD5

    7003c4de8e8e482c49ce0204ca807d40

  • SHA1

    307399acf11d26a4f349c93a61ff507094ed4586

  • SHA256

    6ba73892b4d58bbc522895037d54dff91d71efc09f38c9f7ac7b735a626b1e40

  • SHA512

    c8ac0f65ae96170ed30de0653576369c95168804f70f95af7b49c405dfeb8dd6879a4f969d582b3e4768fc3c94b43207993d9a36ca492ea172d7156c7cec8628

  • SSDEEP

    3072:fcpadlHnGGSc/iJtGR6x5ixZOI67Nx6O1RqIbMk:fc8jHnGGSc/wtGR05ixc6O3qe

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 14 IoCs

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

  • UPX packed file 27 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:1020
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2316
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:1400
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3104
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3392
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ba73892b4d58bbc522895037d54dff91d71efc09f38c9f7ac7b735a626b1e40N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:220
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ba73892b4d58bbc522895037d54dff91d71efc09f38c9f7ac7b735a626b1e40N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:876
                      • C:\Users\Admin\AppData\Local\Temp\e577aae.exe
                        C:\Users\Admin\AppData\Local\Temp\e577aae.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:3084
                      • C:\Users\Admin\AppData\Local\Temp\e577cc1.exe
                        C:\Users\Admin\AppData\Local\Temp\e577cc1.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4536
                      • C:\Users\Admin\AppData\Local\Temp\e57a4eb.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a4eb.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:2524
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3556
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3740
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3836
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3900
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3984
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3384
                            • 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:400
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1852
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2144
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:2920
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3636

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e577aae.exe

                                        Filesize

                                        97KB

                                        MD5

                                        06e3eff469c626e9d0cc511ef5493cc0

                                        SHA1

                                        72fb3f6187a4072221832672972a05229e3a574d

                                        SHA256

                                        94b42c3072f9629cb26515c3a14f7d01ce6a5548c6236816f5d1dab45a4cda7e

                                        SHA512

                                        0aa1d0a5ed73a2cca25d55965b1fb30b558557da57fc95ffc88cc997b03264abcd1e1d53682c82555287c75ba5ec5e7bf8d6dd23456d90a7466c9b50de639ee6

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        256B

                                        MD5

                                        c3dbe813dbd1cf868085c6dc225f3ddc

                                        SHA1

                                        0803dc42c394cefa09e64e5dfab5080097448c59

                                        SHA256

                                        00f56ad220fbbc6840e84959436071105cc2cc2349fe74f3ad17b7f144d4e879

                                        SHA512

                                        d661e611e90be5821b70f1ca61b048a68444d4657f86eabda4e6f791e464791d9a6e594ff129f6ed2df14a7d8f5fa36441dcd774f7f82f6a884391d0cd774b78

                                      • memory/876-29-0x0000000000D70000-0x0000000000D72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/876-50-0x0000000000D70000-0x0000000000D72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/876-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/876-22-0x0000000000D70000-0x0000000000D72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/876-23-0x0000000000D80000-0x0000000000D81000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/876-31-0x0000000000D70000-0x0000000000D72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2524-149-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2524-148-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2524-112-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2524-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3084-39-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-53-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-32-0x0000000003650000-0x0000000003652000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3084-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3084-14-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-11-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-12-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-9-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-8-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-36-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-37-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-38-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-26-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-40-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-13-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-10-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-20-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-30-0x0000000003650000-0x0000000003652000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3084-21-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-25-0x0000000004220000-0x0000000004221000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3084-56-0x0000000003650000-0x0000000003652000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3084-57-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-59-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-60-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-61-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-63-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-64-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-67-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3084-70-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3084-73-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4536-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4536-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4536-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4536-43-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4536-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4536-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB