Analysis

  • max time kernel
    38s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2024 06:22

General

  • Target

    fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb.exe

  • Size

    732KB

  • MD5

    dd5a9505a1c9153669b3c9e2462bcc0c

  • SHA1

    73340eb5d3961d4cfacdd8f3475017ebb337abf7

  • SHA256

    fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb

  • SHA512

    4c18a28fa1fb18e2c7dd11c3af49e42eae31f7a70b183cf33640780851754700dd0a80d077946ecb43a1dda16437baee320cc5f6550f7fdb7d3c81ac76552d79

  • SSDEEP

    12288:xTyjXW+48qWywrU4kGFezOAVuJ5PIfww7F5DO3HYffVhp5G:1IXW/8yw1ez54lIjF5SXYHVhHG

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • UPX packed file 37 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2468
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2480
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2656
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3568
                  • C:\Users\Admin\AppData\Local\Temp\fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb.exe
                    "C:\Users\Admin\AppData\Local\Temp\fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb.exe"
                    2⤵
                    • Modifies firewall policy service
                    • Modifies visibility of file extensions in Explorer
                    • Modifies visiblity of hidden/system files in Explorer
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • 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:4888
                    • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      3⤵
                      • Modifies firewall policy service
                      • Modifies visiblity of hidden/system files in Explorer
                      • UAC bypass
                      • Windows security bypass
                      • Deletes itself
                      • Executes dropped EXE
                      • Windows security modification
                      • Checks whether UAC is enabled
                      • Enumerates connected drives
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:2428
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3696
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3868
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3980
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:384
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2848
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4004
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2176
                              • 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:2664
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4732

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\0E57D2E0_Rar\rundll32.exe

                                    Filesize

                                    664KB

                                    MD5

                                    8ca8216260b4f5e0d6e1132e49d1d25a

                                    SHA1

                                    c7ce0406001fb3eaaf82c5ad33945f01f0dddc11

                                    SHA256

                                    ddc806307ec3d800851db6c617343cad0a5e9af8dafe867b6dc2f33dd528cf64

                                    SHA512

                                    0644472c924acb7ae9c8f4b3222e5b2d3a95a9346587a104e437ab0d0c832b05fd153d7450e6d5f5f7d685be9b222712c2c6d869c05acd7efc89f63e83e29a33

                                  • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

                                    Filesize

                                    732KB

                                    MD5

                                    dd5a9505a1c9153669b3c9e2462bcc0c

                                    SHA1

                                    73340eb5d3961d4cfacdd8f3475017ebb337abf7

                                    SHA256

                                    fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb

                                    SHA512

                                    4c18a28fa1fb18e2c7dd11c3af49e42eae31f7a70b183cf33640780851754700dd0a80d077946ecb43a1dda16437baee320cc5f6550f7fdb7d3c81ac76552d79

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    0109b572dfd16d97846047379bbed0d2

                                    SHA1

                                    86050b8e867d90dfe7c734ac8a3d423d61782a11

                                    SHA256

                                    d452911748431f53a351819a407406cf682fb7c7f162be0314c33ae1dfe00ef9

                                    SHA512

                                    dd99557afa23888429e4459910254025b2d37691332310fee6d27ff485dba6c26f3b0a9877f88dc787a053295374ab22851d0bef6d9c391ba8e64f91278ecfea

                                  • C:\fpeub.pif

                                    Filesize

                                    100KB

                                    MD5

                                    361d51b78496d95321319d062cab1157

                                    SHA1

                                    6bb4a1dec6ed1e2350d67ff287dc0fc5c8c96b4b

                                    SHA256

                                    3dfaeeb414f1c99c0c51bf90b45b17bbd93ce8a46ec5746b0e0b2c8d552bc678

                                    SHA512

                                    8c84d6a1db6381c6810e5f8a8b2110e5614ef812b98cb7c18bff93fd7ae9e942ecf43679657ec4552d41fe9dbae5fcd784075203d6de866cca1b56d1a6425c0b

                                  • memory/2428-66-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-68-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-126-0x0000000000400000-0x00000000004BF000-memory.dmp

                                    Filesize

                                    764KB

                                  • memory/2428-89-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-88-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-80-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-47-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-78-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-74-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-75-0x0000000000A90000-0x0000000000A92000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2428-73-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-48-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-71-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-70-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-69-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-56-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-65-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-64-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-49-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-57-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-50-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-59-0x0000000000A90000-0x0000000000A92000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2428-53-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-58-0x0000000000A90000-0x0000000000A92000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2428-55-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-60-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-61-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2428-52-0x0000000000B30000-0x0000000000B31000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2428-54-0x0000000004F60000-0x0000000005FEE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-41-0x0000000000400000-0x00000000004BF000-memory.dmp

                                    Filesize

                                    764KB

                                  • memory/4888-4-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-21-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-16-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-8-0x0000000000960000-0x0000000000962000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4888-23-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-0-0x0000000000400000-0x00000000004BF000-memory.dmp

                                    Filesize

                                    764KB

                                  • memory/4888-27-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-33-0x0000000000960000-0x0000000000962000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4888-9-0x00000000009E0000-0x00000000009E1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4888-3-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-20-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-17-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-5-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-13-0x0000000000960000-0x0000000000962000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4888-14-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-15-0x0000000000960000-0x0000000000962000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4888-7-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-1-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4888-6-0x0000000003460000-0x00000000044EE000-memory.dmp

                                    Filesize

                                    16.6MB