Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 06:06

General

  • Target

    d8deb759318419ff4f15560be2bb3fbddb9dba9cf8d03f08a995fce4f251d2ce.exe

  • Size

    300KB

  • MD5

    f55a4da1aa2e88af5f51b5191985378c

  • SHA1

    5e76168724f704808b258d6a8b592c3d4c647208

  • SHA256

    d8deb759318419ff4f15560be2bb3fbddb9dba9cf8d03f08a995fce4f251d2ce

  • SHA512

    9f20a6c8a70ec8241471f110428447dfa3e13b24850e3d49fc0f769c14b966a67f8cd070f24098ef92b907fc399a81335c4e5e134ecf19da0a58e7123eb96b17

  • SSDEEP

    3072:Wv9KRMzPhCjG8G3GbGVGBGfGuGxGWYcrf6KadEz8pMY9K8diqayh1SR3lQonH:Wv0RMzPAYcD6KadLhK8Eq9UlQ0H

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 visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 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:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3040
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2528
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3124
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3452
                  • C:\Users\Admin\AppData\Local\Temp\d8deb759318419ff4f15560be2bb3fbddb9dba9cf8d03f08a995fce4f251d2ce.exe
                    "C:\Users\Admin\AppData\Local\Temp\d8deb759318419ff4f15560be2bb3fbddb9dba9cf8d03f08a995fce4f251d2ce.exe"
                    2⤵
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Checks computer location settings
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • 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 SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1464
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh firewall set opmode disable
                      3⤵
                      • Modifies Windows Firewall
                      • Event Triggered Execution: Netsh Helper DLL
                      • System Location Discovery: System Language Discovery
                      PID:2368
                    • C:\Users\Admin\daoopu.exe
                      "C:\Users\Admin\daoopu.exe"
                      3⤵
                      • Modifies visiblity of hidden/system files in Explorer
                      • Executes dropped EXE
                      • Adds Run key to start application
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      PID:3288
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3584
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3788
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3872
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3936
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4020
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3612
                            • 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:1460
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3628
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1872

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\daoopu.exe

                                    Filesize

                                    300KB

                                    MD5

                                    730b7c80fa277ed7f820a66ec4504302

                                    SHA1

                                    1a71c12baf493ef7a84f1f2f037350c46205eee8

                                    SHA256

                                    0a50bd24462f3ef25e0046b99fc2d2a24dd3ab10a4e287bebce6e6a92760fecd

                                    SHA512

                                    511195de48600f3c54f20f1bfe1bc3feced9462c294de049659d71b6b7b7401c2ea3f8a727ad46bcb1f6e14a8fb0827c997dbf85f0b60c5fc9be3f2fd9143474

                                  • memory/1464-79-0x00000000029B0000-0x00000000039E3000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/1464-75-0x00000000029B0000-0x00000000039E3000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/1464-4-0x00000000029B0000-0x00000000039E3000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/1464-8-0x00000000029B0000-0x00000000039E3000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/1464-12-0x0000000002250000-0x0000000002252000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1464-7-0x0000000003DB0000-0x0000000003DB1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1464-10-0x0000000002250000-0x0000000002252000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1464-6-0x0000000002250000-0x0000000002252000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1464-17-0x00000000029B0000-0x00000000039E3000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/1464-111-0x0000000000400000-0x000000000043C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/1464-1-0x00000000029B0000-0x00000000039E3000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/1464-110-0x00000000029B0000-0x00000000039E3000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/1464-19-0x00000000029B0000-0x00000000039E3000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/1464-99-0x00000000029B0000-0x00000000039E3000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/1464-0-0x0000000000400000-0x000000000043C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/1464-70-0x00000000029B0000-0x00000000039E3000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/1464-11-0x00000000029B0000-0x00000000039E3000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/3288-67-0x0000000002AC0000-0x0000000002AC2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3288-87-0x0000000002AC0000-0x0000000002AC2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3288-66-0x0000000002AC0000-0x0000000002AC2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3288-112-0x0000000000400000-0x000000000043C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/3288-65-0x0000000002B10000-0x0000000002B11000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3288-53-0x0000000000400000-0x000000000043C000-memory.dmp

                                    Filesize

                                    240KB