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Analysis

  • max time kernel
    31s
  • 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, 02:34

General

  • Target

    92de4d5d7efb58142cae663b976f015ea1c4fbfd990ec6e26cf1586fc28a76adN.dll

  • Size

    120KB

  • MD5

    dc867423b24ccd3d397dcae64fedb900

  • SHA1

    fea8a406933ef82a40a3f69b33d3a18e7f773b04

  • SHA256

    92de4d5d7efb58142cae663b976f015ea1c4fbfd990ec6e26cf1586fc28a76ad

  • SHA512

    620768524b5ba72205d8ca5159b568ec42a1bf34fae5dbf70a8528ef81c4a219aec4dea526de96db3a12461159be2a4bd465e3a29a291dadbf56cb510345cbae

  • SSDEEP

    3072:rhVihrNh3l/uOBUloF/iyCFSwTPFixJfeihh/Gb:rTIll/u+U0i7FFMJXhh

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 13 IoCs

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

  • UPX packed file 27 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 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:768
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:392
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2656
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2664
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2828
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3460
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\92de4d5d7efb58142cae663b976f015ea1c4fbfd990ec6e26cf1586fc28a76adN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4480
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\92de4d5d7efb58142cae663b976f015ea1c4fbfd990ec6e26cf1586fc28a76adN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1296
                      • C:\Users\Admin\AppData\Local\Temp\e579c7e.exe
                        C:\Users\Admin\AppData\Local\Temp\e579c7e.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:3780
                      • C:\Users\Admin\AppData\Local\Temp\e579df5.exe
                        C:\Users\Admin\AppData\Local\Temp\e579df5.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4672
                      • C:\Users\Admin\AppData\Local\Temp\e57c7e4.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c7e4.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:708
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3640
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3824
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3920
                      • 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:4116
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2076
                              • 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:1388
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3896

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e579c7e.exe

                                    Filesize

                                    97KB

                                    MD5

                                    691b7eb8a57178d7b59cefa2b5c2e8ef

                                    SHA1

                                    44bc1dfe9d299222f941dd624931654a29f12a17

                                    SHA256

                                    c0d28389550d827c08c5b63a8232a39b2d506e867dd3054797d7f35be5f41796

                                    SHA512

                                    64a256c47325db9b401b90e89d85369c623603fbe674078f1dc77ebdca9d307ef3e574db7687c4e2d21b6ce99d91cf89e09ddcc3929229985e732a2c7f75ffa4

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    6719556b05be61c304389a6916af8813

                                    SHA1

                                    e56b11303066058cab3fa2986cc0e1fd98ab9c74

                                    SHA256

                                    9d2514d2d0aedc0673032266d07286f503d868ac3dd36665e00e877457f12ee7

                                    SHA512

                                    21ad49066128ec741f2dc09b810123fa9fb726a78edcf3f3db9d657c82af8bfaa83884347d173f36c0a7e1229f8ce0f18643510a5044cae98c36ff633a7879fa

                                  • memory/708-143-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/708-144-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/708-92-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1296-21-0x0000000001110000-0x0000000001112000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1296-44-0x0000000001110000-0x0000000001112000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1296-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1296-13-0x0000000001110000-0x0000000001112000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1296-14-0x0000000001120000-0x0000000001121000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1296-24-0x0000000001110000-0x0000000001112000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3780-38-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-65-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-20-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-10-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-25-0x0000000000600000-0x0000000000602000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3780-19-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-16-0x0000000000610000-0x0000000000611000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3780-30-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3780-8-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-32-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-36-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-37-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-12-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-39-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-40-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-18-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-6-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-9-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-11-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-53-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-55-0x0000000000600000-0x0000000000602000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3780-54-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-56-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-57-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-59-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-61-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-63-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-31-0x0000000000600000-0x0000000000602000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3780-71-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3780-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4672-87-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4672-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4672-50-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4672-51-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4672-48-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4672-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB