Analysis

  • max time kernel
    33s
  • 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
    16-12-2024 09:44

General

  • Target

    b066f1b0618fd89fd4ce292856a01eb22b836e4591e7b46b101b62f5cfacf202N.dll

  • Size

    120KB

  • MD5

    b4883653254804f6697911663cd86f30

  • SHA1

    914095fdddfa5c5d5c8416daf777436a43492fe8

  • SHA256

    b066f1b0618fd89fd4ce292856a01eb22b836e4591e7b46b101b62f5cfacf202

  • SHA512

    a542654aa45c6ba584802260086b35c67ba26739423f6922fb217a202c53841c546f02552f5f0bb092e0586a3a5bfc2fd9119f859457caa256652fb0bf030e6c

  • SSDEEP

    1536:J0G8LCA22JjSJGLVhGDktWsDkYk6fJH5WzNrh1JUuzWLnKRjUb2nz/Z+IhQes1vu:kCYJ2o5A4W8kYHJqrh12O6ejD/Yb0o7

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 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 11 IoCs

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

  • UPX packed file 26 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 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 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:376
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3028
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2856
            • 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:3444
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b066f1b0618fd89fd4ce292856a01eb22b836e4591e7b46b101b62f5cfacf202N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4452
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b066f1b0618fd89fd4ce292856a01eb22b836e4591e7b46b101b62f5cfacf202N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:548
                      • C:\Users\Admin\AppData\Local\Temp\e57bf49.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bf49.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:4912
                      • C:\Users\Admin\AppData\Local\Temp\e57c11d.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c11d.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:5004
                      • C:\Users\Admin\AppData\Local\Temp\e57f3c6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57f3c6.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:3120
                      • C:\Users\Admin\AppData\Local\Temp\e57f3e5.exe
                        C:\Users\Admin\AppData\Local\Temp\e57f3e5.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2112
                • 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:3760
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3848
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3960
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4068
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4124
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4660
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4556
                                • 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:3872
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2008

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e57bf49.exe

                                      Filesize

                                      97KB

                                      MD5

                                      bfd88fca5e56c3cd724fa47f96a54c60

                                      SHA1

                                      2e149120471fc2b93d5239d36927abf746868c98

                                      SHA256

                                      c9653196b7b44c16727fe34a45f0f67988262a4c29fe3c36450bd634bb2f2427

                                      SHA512

                                      c55f64081c76c88fd0bd672ad4f1a315424b2fe3e5fefa45c45c4f8a7c0e6baabe31b246e6bbbf24504bbd68a94f3854f362c7b9675e5ba877683f2977cf5b02

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      5b60245cb6504bd04bd09f03e9b9e536

                                      SHA1

                                      9d21bfec671d181b04c2952761636c5f7ef43e42

                                      SHA256

                                      482469c00c0b9737ad8bc6736733a01d4267d3900ced907be92f6d321b95c327

                                      SHA512

                                      d04bca92450905ddf94a393a49bdf2f98c59a6c4b6c2d747c8c98e506ddae4d14ecbfcbd6b48a8709360d8443dd370f2ac1edfcd9e568e2bebf4e1cb1c79bd35

                                    • memory/548-20-0x0000000000AF0000-0x0000000000AF2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/548-14-0x0000000000AF0000-0x0000000000AF2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/548-15-0x0000000000B00000-0x0000000000B01000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/548-30-0x0000000000AF0000-0x0000000000AF2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/548-55-0x0000000000AF0000-0x0000000000AF2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/548-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2112-153-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2112-59-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3120-96-0x00000000007E0000-0x000000000189A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3120-98-0x00000000007E0000-0x000000000189A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3120-154-0x00000000007E0000-0x000000000189A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3120-58-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3120-156-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3120-155-0x00000000007E0000-0x000000000189A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-65-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-60-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4912-13-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-17-0x0000000001A40000-0x0000000001A41000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4912-32-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-36-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-37-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4912-8-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-9-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-38-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-43-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-44-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-21-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-23-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4912-10-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-31-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4912-61-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-62-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-64-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-18-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-68-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-11-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-71-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-74-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-12-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4912-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4912-19-0x0000000000730000-0x00000000017EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/5004-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/5004-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/5004-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/5004-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/5004-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/5004-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB