Analysis

  • max time kernel
    97s
  • max time network
    99s
  • 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 08:23

General

  • Target

    cb55194a5e36e41897fee6f0f0b98dfffdc6632aa318d0c69efde2e66336ec7c.dll

  • Size

    120KB

  • MD5

    8f25387010996e0423a3cc38b4de8542

  • SHA1

    472e7825409a4c76e266b035dd8a63acf2fe40d7

  • SHA256

    cb55194a5e36e41897fee6f0f0b98dfffdc6632aa318d0c69efde2e66336ec7c

  • SHA512

    981d22c59ba30d11a0c6fd86669a2044ed3d792bf4ad25d2b140bf2f64426b4165bd4c08a21e01fd2193346d488b95f4d84db86a1c4bc4c7c6742f881325b91f

  • SSDEEP

    1536:lSnLvJP8TvwjrAF6B2Xms/J9CuHXFw6ESkgBJk8DiAzOcJxltuxYAYZIKSWMRNcz:MLasHq6QwHSj9OybuxYnWXRNcz

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 11 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 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:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2616
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2624
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2848
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3452
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cb55194a5e36e41897fee6f0f0b98dfffdc6632aa318d0c69efde2e66336ec7c.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3760
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cb55194a5e36e41897fee6f0f0b98dfffdc6632aa318d0c69efde2e66336ec7c.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3096
                      • C:\Users\Admin\AppData\Local\Temp\e579673.exe
                        C:\Users\Admin\AppData\Local\Temp\e579673.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:3392
                      • C:\Users\Admin\AppData\Local\Temp\e5798e4.exe
                        C:\Users\Admin\AppData\Local\Temp\e5798e4.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3436
                      • C:\Users\Admin\AppData\Local\Temp\e57b352.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b352.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3564
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3576
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3764
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3856
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3924
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4016
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3796
                            • 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:2164
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3348
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:3284
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:1440
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:2136

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e579673.exe

                                        Filesize

                                        97KB

                                        MD5

                                        848b46947f31096e3d20273e361a7725

                                        SHA1

                                        6ab3fcade97127726f6c29871c7381f423336d08

                                        SHA256

                                        2d00bb51eb84693260566755d14e3b3bdb83a5c76be0bb8c37ee4a565bd4d889

                                        SHA512

                                        05d566623cc5646503a65843f867b1f59ff5b8c74def8e38848c29a2bcb4987dad5395c6f5b83a75d3527c5cfe7a9aa9c2a20de48b82ef72c7b0d82d204a39e8

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        257B

                                        MD5

                                        6ea61c85ec0170c415461e08209a8199

                                        SHA1

                                        90909170b42bfbd64e18f73a2b587fd922d001ef

                                        SHA256

                                        44511f84fb04dbaa7ef4abacef7b4236ea2821790f43d299d9d231147ab2a215

                                        SHA512

                                        b62da1388d506aa55391517787f86b354e7c4568296643e07c24ee5e2399bce41d98ddc3b6831efa71d145ec74337d9cd69739aedfbe8b731f589c2ed655051f

                                      • memory/3096-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3096-24-0x00000000013A0000-0x00000000013A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3096-31-0x0000000002E40000-0x0000000002E41000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3096-30-0x00000000013A0000-0x00000000013A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3096-23-0x00000000013A0000-0x00000000013A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3392-42-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-61-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3392-11-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-18-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-21-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-34-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3392-32-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3392-22-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-28-0x0000000001B80000-0x0000000001B81000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3392-19-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-20-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-12-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-10-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-9-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-36-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-37-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-38-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-39-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-40-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-6-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3392-51-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-53-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-8-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-97-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3392-80-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-85-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3392-78-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-74-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-73-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-54-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-65-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-66-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-69-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3392-71-0x00000000008C0000-0x000000000197A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3436-98-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3436-134-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3436-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3436-56-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3436-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3436-133-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3436-111-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3564-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3564-50-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3564-99-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3564-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3564-58-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3564-138-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB