Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 18:22

General

  • Target

    dd99f4d2b50d85e626b5792a8dc4b92255df56bb26bbb5f1fa9dfc0e716aa740N.dll

  • Size

    120KB

  • MD5

    ef592a3b9b69390316239bf5d8f11df0

  • SHA1

    ae504a1dc3cb39ca5bb8701384dd160f1e7e852f

  • SHA256

    dd99f4d2b50d85e626b5792a8dc4b92255df56bb26bbb5f1fa9dfc0e716aa740

  • SHA512

    0167362e1db5e6ea2f1b12116a99cc96fdd13824616836f7346d77ea6c34d547f6922797298fa45deb14e2191d0d0250fc01c5edf3439fbc69dfd95de723be78

  • SSDEEP

    1536:BHJPA12494n6e7Gt4nZvIbl9g+9SeJglqe3w52SBfLyMBzp8y0Tj9EEAo:BZuvWGt4Ib/hMAiqM4Bf2W3do

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 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 29 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:756
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:764
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2900
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3056
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:916
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3432
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd99f4d2b50d85e626b5792a8dc4b92255df56bb26bbb5f1fa9dfc0e716aa740N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2344
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd99f4d2b50d85e626b5792a8dc4b92255df56bb26bbb5f1fa9dfc0e716aa740N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:748
                      • C:\Users\Admin\AppData\Local\Temp\e57690a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57690a.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:4328
                      • C:\Users\Admin\AppData\Local\Temp\e576ac0.exe
                        C:\Users\Admin\AppData\Local\Temp\e576ac0.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2300
                      • C:\Users\Admin\AppData\Local\Temp\e5784ff.exe
                        C:\Users\Admin\AppData\Local\Temp\e5784ff.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1044
                      • C:\Users\Admin\AppData\Local\Temp\e57853d.exe
                        C:\Users\Admin\AppData\Local\Temp\e57853d.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:468
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3568
                  • 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:3928
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4012
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:432
                            • 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:4920
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:412
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2788

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57690a.exe

                                    Filesize

                                    97KB

                                    MD5

                                    3229e5fd6f89ef823fcc4d70cc9f3ece

                                    SHA1

                                    aa9e498b365891f893f64e7643c440a65107f9e5

                                    SHA256

                                    40f1752cc468baa0c6275d107df617e13c6d421710bdb18d81087ffaef3662e1

                                    SHA512

                                    136760d409e23121904ff71b7177ec4d5d0aacc42dd877aeeaadb2ff3ab9a7bf85ccea4d441c4e683ee57cccc2d83fb2e7edfbab8ccc63b38e821405e2a1a498

                                  • memory/468-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/468-67-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/468-123-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/468-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/468-115-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/468-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/748-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/748-23-0x0000000000BA0000-0x0000000000BA2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/748-29-0x0000000000BA0000-0x0000000000BA2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/748-20-0x0000000003A10000-0x0000000003A11000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/748-19-0x0000000000BA0000-0x0000000000BA2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1044-119-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1044-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1044-69-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1044-114-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1044-71-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1044-65-0x0000000000570000-0x0000000000571000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2300-113-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2300-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2300-62-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2300-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2300-90-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2300-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4328-53-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-8-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-41-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-56-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4328-38-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-37-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-36-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-58-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-60-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-35-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-28-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4328-30-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4328-18-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-33-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-27-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-26-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-9-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-39-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-74-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-75-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-77-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-79-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-82-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-83-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-85-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-86-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-87-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-22-0x0000000001A00000-0x0000000001A01000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4328-98-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4328-92-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-109-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4328-12-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-11-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-10-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-6-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4328-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB