Analysis

  • max time kernel
    123s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-04-2024 00:17

General

  • Target

    3b5a0b425528f38b12795161266ab607c68876c05ba5e36bc05745822667915d.exe

  • Size

    992KB

  • MD5

    93976eebffe5a81f6a80a9685c0cbcb1

  • SHA1

    22a27813be1ca0c597511450c6be0a359b0b5b7d

  • SHA256

    3b5a0b425528f38b12795161266ab607c68876c05ba5e36bc05745822667915d

  • SHA512

    08261ae6ce6ac1925d8424c76866912f0ad2d672339a78c4dac3adb8403478b9b9071a4884fce339966df279a8d11a256b68022441742cc8baed0126aaa504fe

  • SSDEEP

    12288:GoGqUMvBCH5lOAQoVGAbTjQZfRGKMyHjZuE201rG3huigNwpsO:G1MvBy7OjoVLbQZpGKzDZuErhG3xgNGf

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 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 36 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 18 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2604
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2668
            • 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:3444
                  • C:\Users\Admin\AppData\Local\Temp\3b5a0b425528f38b12795161266ab607c68876c05ba5e36bc05745822667915d.exe
                    "C:\Users\Admin\AppData\Local\Temp\3b5a0b425528f38b12795161266ab607c68876c05ba5e36bc05745822667915d.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:844
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3572
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3844
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4028
                          • 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:392
                              • 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:616
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                  1⤵
                                    PID:2720
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:2036
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:1936
                                      • C:\Windows\System32\wuapihost.exe
                                        C:\Windows\System32\wuapihost.exe -Embedding
                                        1⤵
                                          PID:5048
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:1220
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:2052
                                            • C:\Windows\system32\BackgroundTransferHost.exe
                                              "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                              1⤵
                                                PID:4780

                                              Network

                                              MITRE ATT&CK Matrix ATT&CK v13

                                              Initial Access

                                              Replication Through Removable Media

                                              1
                                              T1091

                                              Persistence

                                              Create or Modify System Process

                                              1
                                              T1543

                                              Windows Service

                                              1
                                              T1543.003

                                              Privilege Escalation

                                              Create or Modify System Process

                                              1
                                              T1543

                                              Windows Service

                                              1
                                              T1543.003

                                              Abuse Elevation Control Mechanism

                                              1
                                              T1548

                                              Bypass User Account Control

                                              1
                                              T1548.002

                                              Defense Evasion

                                              Modify Registry

                                              5
                                              T1112

                                              Abuse Elevation Control Mechanism

                                              1
                                              T1548

                                              Bypass User Account Control

                                              1
                                              T1548.002

                                              Impair Defenses

                                              3
                                              T1562

                                              Disable or Modify Tools

                                              3
                                              T1562.001

                                              Discovery

                                              System Information Discovery

                                              2
                                              T1082

                                              Query Registry

                                              1
                                              T1012

                                              Peripheral Device Discovery

                                              1
                                              T1120

                                              Lateral Movement

                                              Replication Through Removable Media

                                              1
                                              T1091

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • C:\flbmoy.exe
                                                Filesize

                                                100KB

                                                MD5

                                                4ba638845f15a7c3575066fa1e546876

                                                SHA1

                                                0c28b5841bf4a5e38ceb8909b60285d6da1cc747

                                                SHA256

                                                a874a3553bcfa62dfd92318aa6125485762ee302f01c23ca3163cd4bdc446559

                                                SHA512

                                                b32503e0e3eb5fdcdb5e7b652549b0ca7cb53d8d075eec2eb8a587f357dbe8eb092a12032c25d6a1afab660ddfe274799ed0a49d1f3c7736b6dfea255f072093

                                              • memory/844-25-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-10-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-5-0x0000000004580000-0x0000000004582000-memory.dmp
                                                Filesize

                                                8KB

                                              • memory/844-26-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-4-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-34-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-9-0x0000000004580000-0x0000000004582000-memory.dmp
                                                Filesize

                                                8KB

                                              • memory/844-27-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-11-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-12-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-13-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-14-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-15-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-16-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-17-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-18-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-19-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-22-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-23-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-0-0x0000000000400000-0x0000000000517000-memory.dmp
                                                Filesize

                                                1.1MB

                                              • memory/844-6-0x0000000004910000-0x0000000004911000-memory.dmp
                                                Filesize

                                                4KB

                                              • memory/844-3-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-7-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-37-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-40-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-42-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-44-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-46-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-48-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-50-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-52-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-54-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-56-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-58-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-59-0x0000000004580000-0x0000000004582000-memory.dmp
                                                Filesize

                                                8KB

                                              • memory/844-61-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-63-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-65-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-67-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-68-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB

                                              • memory/844-1-0x0000000002440000-0x00000000034CE000-memory.dmp
                                                Filesize

                                                16.6MB