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Analysis

  • max time kernel
    93s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/12/2024, 18:52

General

  • Target

    bfe107c42a18ad4ff1f222ed4ab912385941fb2961479a0dcb8b1e7ae31c80b1N.dll

  • Size

    120KB

  • MD5

    570061972978c65c3a902eb1635f21c0

  • SHA1

    f8f8144a8a211636241a4cbd4f5051e3e140178b

  • SHA256

    bfe107c42a18ad4ff1f222ed4ab912385941fb2961479a0dcb8b1e7ae31c80b1

  • SHA512

    a694e663e23f55f263f44c83a561a0b7084af4210de0d2f12223c6620830a89933bff7735bd765fb8c15ffad77d969dac0338b22aae1231bdbf70f8a0a53f517

  • SSDEEP

    3072:GuARllFLwB00FG2FbA9YqT2YJpm2RqtP3LJb:qRlHLt0FA91Tj9Rql3LZ

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 12 IoCs

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

  • UPX packed file 30 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2860
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2936
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2988
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3380
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfe107c42a18ad4ff1f222ed4ab912385941fb2961479a0dcb8b1e7ae31c80b1N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:936
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfe107c42a18ad4ff1f222ed4ab912385941fb2961479a0dcb8b1e7ae31c80b1N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4036
                      • C:\Users\Admin\AppData\Local\Temp\e57951c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57951c.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:3288
                      • C:\Users\Admin\AppData\Local\Temp\e5796d1.exe
                        C:\Users\Admin\AppData\Local\Temp\e5796d1.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1168
                      • C:\Users\Admin\AppData\Local\Temp\e57b093.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b093.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:3040
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3536
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3736
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3832
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4176
                            • 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:372
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3624
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4092

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57951c.exe

                                    Filesize

                                    97KB

                                    MD5

                                    1e3af1a0c14afe24e445f104ca2025bf

                                    SHA1

                                    81616e220383c49404295e0901605ff2c5ac8e5a

                                    SHA256

                                    a192045321be6eedc6a0fc9eca5e1bad7c978071c56f1d673ed3f55a810a8807

                                    SHA512

                                    0aa60486afd578f8185417c5f9bb62a041067e81d8c2de7d418dc1ca79af0fea6c148094a9ace991c82f280bebd4b240f28102ae5c7f2a49f466a33a5900fe92

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    fba94c66e53dad4c880b81f51b9b42ff

                                    SHA1

                                    aeff6cabeca64f05d87b252f34e2e1c535beacc8

                                    SHA256

                                    c3084574f673c7d350dfd93424ff772e8766721c67cfa73e2b3d7d35cf1d8530

                                    SHA512

                                    e98050f11b276e0964566d103358448d63fbd98d166458e34ade61423b917e136c7661ccb7781d834cda6fbd46d2454acafa31c23c2b2ce064e1050fb39f9091

                                  • memory/1168-80-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1168-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1168-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1168-56-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1168-29-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1168-109-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3040-121-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3040-81-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3040-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3040-152-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3040-151-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3040-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3040-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3040-58-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3288-43-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-24-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3288-9-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-13-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-8-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-6-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-37-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-38-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-39-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-40-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-41-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3288-12-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-52-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-35-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-36-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-17-0x00000000005F0000-0x00000000005F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3288-27-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-61-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3288-10-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-22-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-53-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-64-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-65-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-67-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-69-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-73-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-75-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-77-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-78-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-11-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-28-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3288-96-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3288-90-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3288-105-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4036-23-0x0000000000DA0000-0x0000000000DA2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4036-18-0x0000000000DA0000-0x0000000000DA2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4036-14-0x0000000000DA0000-0x0000000000DA2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4036-21-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4036-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB