Analysis

  • max time kernel
    94s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2024, 20:46

General

  • Target

    93cfb99336ca8657b174f3625bb2b94fce9266489e72ac0ae424a37bdf145637.exe

  • Size

    1.1MB

  • MD5

    c2e4eb448e0412b0eac194b80a789770

  • SHA1

    252537262cd1566f75ce67acab4f61d09fd71819

  • SHA256

    93cfb99336ca8657b174f3625bb2b94fce9266489e72ac0ae424a37bdf145637

  • SHA512

    ef88d37149e6fec2e97c19f1bedb9bc51259500b831bceda8a762b02fb11080c61f05d2dbd3cdd4870fa47b3d6c8809d13e054c16d2afe6170b89a7c39d67025

  • SSDEEP

    24576:xPyEy5OTyXEsIZi05LJAAzkzgbsOjqcGJoNVrhTjoOJowbP+4Moo8:xfzoEsIZi05LyZgJqJJqhTsDwbP+45o8

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 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 25 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 10 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 59 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1008
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:788
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:4000
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:2348
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
              1⤵
                PID:532
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                1⤵
                  PID:4472
                • 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:4492
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4228
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:2336
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:756
                        • 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\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3824
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                              1⤵
                                PID:3644
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:3472
                                  • C:\Users\Admin\AppData\Local\Temp\93cfb99336ca8657b174f3625bb2b94fce9266489e72ac0ae424a37bdf145637.exe
                                    "C:\Users\Admin\AppData\Local\Temp\93cfb99336ca8657b174f3625bb2b94fce9266489e72ac0ae424a37bdf145637.exe"
                                    2⤵
                                    • Modifies firewall policy service
                                    • UAC bypass
                                    • Windows security bypass
                                    • Windows security modification
                                    • Checks whether UAC is enabled
                                    • Enumerates connected drives
                                    • Drops file in Windows directory
                                    • Suspicious behavior: EnumeratesProcesses
                                    • Suspicious use of AdjustPrivilegeToken
                                    • Suspicious use of WriteProcessMemory
                                    • System policy modification
                                    PID:224
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2676
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2544
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:2532
                                      • C:\Windows\System32\wuapihost.exe
                                        C:\Windows\System32\wuapihost.exe -Embedding
                                        1⤵
                                          PID:528
                                        • C:\Windows\system32\BackgroundTaskHost.exe
                                          "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                          1⤵
                                            PID:2236
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:5040
                                            • C:\Windows\System32\RuntimeBroker.exe
                                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                                              1⤵
                                                PID:4388

                                              Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

                                                    Loading Replay Monitor...

                                                    Downloads

                                                    • memory/224-0-0x0000000000400000-0x0000000000516000-memory.dmp

                                                      Filesize

                                                      1.1MB

                                                    • memory/224-1-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-4-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-6-0x0000000003D00000-0x0000000003D02000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/224-7-0x0000000003E50000-0x0000000003E51000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/224-5-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-9-0x0000000003D00000-0x0000000003D02000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/224-10-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-11-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-17-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-18-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-20-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-22-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-21-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-23-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-24-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-25-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-26-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-28-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-29-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-30-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-32-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-35-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-37-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-44-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-47-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-49-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-51-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-63-0x0000000002400000-0x00000000034BA000-memory.dmp

                                                      Filesize

                                                      16.7MB

                                                    • memory/224-76-0x0000000003D00000-0x0000000003D02000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/224-81-0x0000000000400000-0x0000000000516000-memory.dmp

                                                      Filesize

                                                      1.1MB