Analysis

  • max time kernel
    128s
  • max time network
    151s
  • 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 00:23

General

  • Target

    3953d9fb50481c4c1ac15d7032a6977551764743f84d94d10f5202be164f00f2.exe

  • Size

    1.9MB

  • MD5

    0249e536946ecdee7fc96462981f9051

  • SHA1

    f8d57ca34b945114ab12e9d6ab72f798ed9fe101

  • SHA256

    3953d9fb50481c4c1ac15d7032a6977551764743f84d94d10f5202be164f00f2

  • SHA512

    1893ea7fb7e60a507962ed7efb620478f734f230f1b1f8a6a8541f79dec575dff852b74363048661b9a7de3106593d190846e7edd42da9ba31125fc249497f5d

  • SSDEEP

    49152:BM3dbEnmZgJH6iADNsNn/3JQErFu/fEHHhF/poL9WpTo5pp9P:BOdbEnMgJaB5mn/3JQf/snXpi9WpToZt

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 38 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 21 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 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:824
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:828
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3052
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2524
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:772
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3468
                  • C:\Users\Admin\AppData\Local\Temp\3953d9fb50481c4c1ac15d7032a6977551764743f84d94d10f5202be164f00f2.exe
                    "C:\Users\Admin\AppData\Local\Temp\3953d9fb50481c4c1ac15d7032a6977551764743f84d94d10f5202be164f00f2.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 Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:5100
                • 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:3760
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3848
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3912
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4000
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3484
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:1776
                              • 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:4440
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                  1⤵
                                    PID:3980
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:3984
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:1720
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4980
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:1616
                                          • C:\Windows\system32\DllHost.exe
                                            C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                            1⤵
                                              PID:4284

                                            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

                                            • F:\ksno.exe
                                              Filesize

                                              96KB

                                              MD5

                                              aa203a61469e4ae9d1498863a5da478f

                                              SHA1

                                              776730f895b77dd00b72251ced833d0ce55b0cc5

                                              SHA256

                                              dccf0f95f00d32a43f2ff9fdb901a7e4ad192ade5c6d584994aa8cb8a30dbc43

                                              SHA512

                                              9de8c3ffab20debe181fdac86520a97439b415225b411f3b64403a8722158240cbf779af1a06eeb342bfa07b0e21fdf63119ca10e3194bc0449a5b5a71eedab1

                                            • memory/5100-24-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-10-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-28-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-4-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-6-0x0000000005EF0000-0x0000000005EF1000-memory.dmp
                                              Filesize

                                              4KB

                                            • memory/5100-8-0x00000000046B0000-0x00000000046B2000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/5100-9-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-27-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-11-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-12-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-13-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-14-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-25-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-16-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-17-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-18-0x0000000000400000-0x00000000006E5000-memory.dmp
                                              Filesize

                                              2.9MB

                                            • memory/5100-19-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-20-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-22-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-0-0x0000000000400000-0x00000000006E5000-memory.dmp
                                              Filesize

                                              2.9MB

                                            • memory/5100-15-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-3-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-5-0x00000000046B0000-0x00000000046B2000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/5100-29-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-31-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-34-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-38-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-40-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-42-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-44-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-46-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-48-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-50-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-52-0x00000000046B0000-0x00000000046B2000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/5100-53-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-55-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-62-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-65-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-67-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-69-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-71-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB

                                            • memory/5100-1-0x00000000025F0000-0x000000000367E000-memory.dmp
                                              Filesize

                                              16.6MB