Analysis

  • max time kernel
    94s
  • max time network
    143s
  • 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 04:22

General

  • Target

    b5c443265eaa3d3cd2e54481ef68fa15cc188107a130af4d6eb3654882a1f486.dll

  • Size

    120KB

  • MD5

    360c97700bffa464699a8fa2e6e417d8

  • SHA1

    27fed44aae9248625daf417a536338a7e997a098

  • SHA256

    b5c443265eaa3d3cd2e54481ef68fa15cc188107a130af4d6eb3654882a1f486

  • SHA512

    edc73061c1689de82a948c53f9eba59eb75e8d242b818564112dd85565ad03684bf4ca8c0b0fa37df50daae0f9beb960ab5526fc69dd2146c7a7abb901a80f39

  • SSDEEP

    1536:r2Abx4SLivmRTqtZ5fbp8stVqyVLwW1u868nj0CIwB4PEHdjj77gPWvlyxzPYecW:r54SLSZ5zbVLw8nj0z8gEFj78uvlydJ

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 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 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:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:372
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2584
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2664
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2808
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3508
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5c443265eaa3d3cd2e54481ef68fa15cc188107a130af4d6eb3654882a1f486.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4384
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5c443265eaa3d3cd2e54481ef68fa15cc188107a130af4d6eb3654882a1f486.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1968
                      • C:\Users\Admin\AppData\Local\Temp\e57b1ac.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b1ac.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:1192
                      • C:\Users\Admin\AppData\Local\Temp\e57b391.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b391.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3272
                      • C:\Users\Admin\AppData\Local\Temp\e57ddcd.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ddcd.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:332
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3640
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3824
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3928
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3988
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4072
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3516
                            • 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:3068
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2796
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1608
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:1960

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e57b1ac.exe

                                      Filesize

                                      97KB

                                      MD5

                                      0b648bee0e2a596c58e0a7cf0297bd65

                                      SHA1

                                      e0806b9d6ddc4e11c071dac49050626db283d677

                                      SHA256

                                      465767ce209587f92f037a55f168e80b9f67d4c60bc28852c9075c21ec13bc93

                                      SHA512

                                      e399a0ce4e7b3f4f177edad054100c299a9303009279db28423ff268bc43fb0feead0c76664c0c50da25e94ee36f5219f7b11c427e39e5176e5f2293d21b8471

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      8823cf04fb3dc86c5fd2d846725f4145

                                      SHA1

                                      03996d37273f1261a3d02d56d18815921436f643

                                      SHA256

                                      c2cee21a69b288fdae90d2e726985fc8a6869e57bb5d3c6922e8d47e0167c3d6

                                      SHA512

                                      0218395fa47de37f1e565096e2a499cf31f57d77ca4b20855b6bd84c8636d3cfde697846b20eed919d372574a059d726334546189b5d1d35d1bb04b29d04d920

                                    • memory/332-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/332-148-0x0000000000750000-0x000000000180A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/332-149-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/332-114-0x0000000000750000-0x000000000180A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-62-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-64-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-32-0x0000000000630000-0x0000000000632000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1192-27-0x0000000000640000-0x0000000000641000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1192-18-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-22-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1192-10-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-11-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-8-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-34-0x0000000000630000-0x0000000000632000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1192-25-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-35-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-9-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-31-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-37-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-36-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-38-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-39-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-40-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-42-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-12-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1192-72-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-71-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-55-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-56-0x0000000000630000-0x0000000000632000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1192-58-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-59-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-60-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-70-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-68-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1192-67-0x0000000000850000-0x000000000190A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1968-28-0x0000000003FF0000-0x0000000003FF2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1968-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1968-20-0x0000000004630000-0x0000000004631000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1968-24-0x0000000003FF0000-0x0000000003FF2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1968-19-0x0000000003FF0000-0x0000000003FF2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3272-46-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3272-44-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3272-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3272-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3272-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB