Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 17:14

General

  • Target

    4c16a7cdab4c3aae943f837f36e05354ed90c9ec4c88e2cbb5870e497c048329N.dll

  • Size

    120KB

  • MD5

    fd2d7ea66e40fece9797bba3d172c500

  • SHA1

    90013d6bd468d8945f117700d49eb255eb8a928d

  • SHA256

    4c16a7cdab4c3aae943f837f36e05354ed90c9ec4c88e2cbb5870e497c048329

  • SHA512

    f32740bc8307ea4c5ca14d9d9bbdf15fd5ca3ddb764902ed384a01b0286be362be879493f18668babb6029fe5020d93788e8ea18731b1aa2a077ed66f8aa15c3

  • SSDEEP

    3072:qj9OhOqSa4fTibdKuGAvg98opvCTwT0jTyWXhXa2Q:qRNpnbKdKuzMpKTwT0jTyWXhy

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
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 16 IoCs

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

  • UPX packed file 33 IoCs

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

  • 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2960
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2788
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3212
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3516
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c16a7cdab4c3aae943f837f36e05354ed90c9ec4c88e2cbb5870e497c048329N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4004
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c16a7cdab4c3aae943f837f36e05354ed90c9ec4c88e2cbb5870e497c048329N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2864
                      • C:\Users\Admin\AppData\Local\Temp\e576fe0.exe
                        C:\Users\Admin\AppData\Local\Temp\e576fe0.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:756
                      • C:\Users\Admin\AppData\Local\Temp\e577129.exe
                        C:\Users\Admin\AppData\Local\Temp\e577129.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1084
                      • C:\Users\Admin\AppData\Local\Temp\e578b67.exe
                        C:\Users\Admin\AppData\Local\Temp\e578b67.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:3752
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3656
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3840
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3932
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3996
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4076
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4132
                            • 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:3500
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2216

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e576fe0.exe

                                        Filesize

                                        97KB

                                        MD5

                                        679365decaea0db786d5102ffbea5a9e

                                        SHA1

                                        ae502e718c253c306f655566cc3aaec4bc088d68

                                        SHA256

                                        17d294396a3335fbcfbba13701213d544560ee2b6c3caf2ef5eace9e4b708cda

                                        SHA512

                                        d28ba3a9fd673e49369ad2a06bfca52cdaa1036ccf9249483118801aba8ef2daa9c55e1c474138662a706912f2ad3f63a890dd9cb56d30d30ecf010f2419a0c4

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        256B

                                        MD5

                                        2fdfb011673d576242501c065acd46c1

                                        SHA1

                                        557f43038d87c1f750736ad2395d0cdcbb1f3ec9

                                        SHA256

                                        2d203aadd9b229c419b2eb944485830434cd34349826d54593a316a6b9eb2221

                                        SHA512

                                        a147922b8480fa26fd13159ef3ef4d51ab726292440ea2c0e7f3f82a65dbc50a1d603f4068ede845a6d42a582e77261d8b4a7fedd311b76021a6c88067ca258c

                                      • memory/756-43-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-82-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-9-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-10-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-8-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-11-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-27-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/756-29-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-26-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-34-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-12-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-96-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/756-30-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/756-23-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/756-104-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/756-52-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-80-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-16-0x00000000019C0000-0x00000000019C1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/756-35-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-36-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-37-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-38-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-39-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-40-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-42-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-6-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-78-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-87-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-54-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-55-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-75-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-74-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-71-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-70-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-66-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/756-65-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1084-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1084-84-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1084-120-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1084-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1084-58-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1084-31-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2864-14-0x0000000000C30000-0x0000000000C31000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2864-13-0x0000000000BA0000-0x0000000000BA2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2864-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2864-32-0x0000000000BA0000-0x0000000000BA2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2864-22-0x0000000000BA0000-0x0000000000BA2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3752-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3752-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3752-85-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3752-48-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3752-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3752-116-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3752-153-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3752-152-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                        Filesize

                                        16.7MB