Analysis

  • max time kernel
    95s
  • 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
    17-12-2024 03:55

General

  • Target

    756a0f4a1c839abd066d4df4e89aa92cf07c96297aee8834e0d7cdc9d98c3c9aN.dll

  • Size

    120KB

  • MD5

    cc9a9f5d573906f545108d3cf3d28c40

  • SHA1

    fc6bff8cd54f5b5ab6df0b9d817313ad704496cd

  • SHA256

    756a0f4a1c839abd066d4df4e89aa92cf07c96297aee8834e0d7cdc9d98c3c9a

  • SHA512

    99c90ba5a3e785def929af13163f6a8d4abfe77eb51a22089e860e8ce397502f359cb74a29c909f433b6a5b1d656d32a4a484799522f482356edc24538262117

  • SSDEEP

    3072:xhxM7F4kEEmU1rhi0oMaJrQ1aOxsbw22ANTNazzDa:xs7Wfu11i0UJrQBx/22mazzW

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 6 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 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:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:420
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2580
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            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:3584
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\756a0f4a1c839abd066d4df4e89aa92cf07c96297aee8834e0d7cdc9d98c3c9aN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2588
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\756a0f4a1c839abd066d4df4e89aa92cf07c96297aee8834e0d7cdc9d98c3c9aN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3776
                      • C:\Users\Admin\AppData\Local\Temp\e57baa5.exe
                        C:\Users\Admin\AppData\Local\Temp\e57baa5.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:1940
                      • C:\Users\Admin\AppData\Local\Temp\e57bc4b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bc4b.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4664
                      • C:\Users\Admin\AppData\Local\Temp\e57fb48.exe
                        C:\Users\Admin\AppData\Local\Temp\e57fb48.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:3320
                      • C:\Users\Admin\AppData\Local\Temp\e57fb96.exe
                        C:\Users\Admin\AppData\Local\Temp\e57fb96.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2392
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3692
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3876
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3968
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4072
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:1356
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4000
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2224
                              • 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:2336

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57baa5.exe

                                  Filesize

                                  97KB

                                  MD5

                                  7fdf4b8826c95b1d9674be9af78af846

                                  SHA1

                                  1a36928fb197b236a97c16a6b17cb6232382be1b

                                  SHA256

                                  788d80237eeb15415fcb6b6967dc8480df50faad7c49b1f003f61df394a5b147

                                  SHA512

                                  43098f470e211ec318ebe94c13bee99493f4d5a14d309f5a7b4b0bc89988befde4a760ffaa777712641cb78c025a0dfe2befab07901c58398bc07430890d6a9a

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  bed19a74ee672ed61499614548107046

                                  SHA1

                                  fcc0db693c5f739cbd780ed3040abf431d594d0f

                                  SHA256

                                  39a37a40128a08603936bb8587deb18720f9d9105a924c1ca960b46e0347672a

                                  SHA512

                                  243b3741784354411c8c3ad343eab6405a86f3b6910f129a34b29e8b0e045b9befe4606df1ee848bad4c770264d2ad4a5679307c334074a6bf904d614f7f58fd

                                • memory/1940-38-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1940-12-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-23-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-22-0x0000000000750000-0x0000000000751000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1940-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1940-42-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-18-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-11-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-28-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-34-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-43-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-69-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-65-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-30-0x0000000000730000-0x0000000000732000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1940-8-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-10-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-9-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-64-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-6-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-63-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-37-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-61-0x0000000000730000-0x0000000000732000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1940-58-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-36-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-27-0x0000000000730000-0x0000000000732000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1940-35-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1940-46-0x0000000000880000-0x000000000193A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2392-59-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3320-107-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3320-136-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3320-95-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3320-103-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3320-94-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3320-93-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3320-97-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3320-105-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3320-140-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3776-55-0x0000000000F40000-0x0000000000F42000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3776-26-0x0000000000F40000-0x0000000000F42000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3776-29-0x0000000000F40000-0x0000000000F42000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3776-20-0x0000000000F90000-0x0000000000F91000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3776-19-0x0000000000F40000-0x0000000000F42000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3776-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4664-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4664-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4664-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4664-90-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4664-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB