Analysis

  • max time kernel
    106s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/03/2025, 23:18

General

  • Target

    3171f53af41800f20856b11d85779f0358b02aa5060efa98c44b1e1b8cf692f5.exe

  • Size

    3.0MB

  • MD5

    be751eb339ac26f3fa6f32ef2ae79f0d

  • SHA1

    a2bd97bbf876baa8e07cd8fe6618686892bc411f

  • SHA256

    3171f53af41800f20856b11d85779f0358b02aa5060efa98c44b1e1b8cf692f5

  • SHA512

    2ae363133bc912ff7494b45950408d5c382df38272dd002a5a8ab4eb6a0df16169e18e828f471b328b15be964e96ba67b728460013a6fd3ce6177d270df0620d

  • SSDEEP

    49152:zZ4rujE/CLlVl80CdSI3LdmLgWtAjkhAd86LqmQKzeFH/LNqAznwQJ:z+ruj+CLflabdSgGhn6OFGUw0

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 3 TTPs 3 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
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2712
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2728
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2824
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3540
                  • C:\Users\Admin\AppData\Local\Temp\3171f53af41800f20856b11d85779f0358b02aa5060efa98c44b1e1b8cf692f5.exe
                    "C:\Users\Admin\AppData\Local\Temp\3171f53af41800f20856b11d85779f0358b02aa5060efa98c44b1e1b8cf692f5.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • 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 WriteProcessMemory
                    • System policy modification
                    PID:4100
                • 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:3884
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3976
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4044
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:872
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3668
                            • 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:4312
                              • C:\Windows\system32\backgroundTaskHost.exe
                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                1⤵
                                  PID:4020
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1336

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • memory/4100-0-0x0000000000400000-0x000000000071E000-memory.dmp

                                    Filesize

                                    3.1MB

                                  • memory/4100-2-0x0000000000400000-0x000000000071E000-memory.dmp

                                    Filesize

                                    3.1MB

                                  • memory/4100-5-0x0000000002660000-0x000000000371A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4100-17-0x0000000000910000-0x0000000000912000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4100-25-0x0000000000910000-0x0000000000912000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4100-21-0x0000000000400000-0x000000000071E000-memory.dmp

                                    Filesize

                                    3.1MB

                                  • memory/4100-15-0x0000000002660000-0x000000000371A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4100-7-0x0000000002660000-0x000000000371A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4100-4-0x0000000002660000-0x000000000371A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4100-6-0x0000000002660000-0x000000000371A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4100-9-0x0000000002540000-0x0000000002541000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4100-8-0x0000000000910000-0x0000000000912000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4100-1-0x0000000002660000-0x000000000371A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4100-22-0x000000006E8B0000-0x000000006E8C0000-memory.dmp

                                    Filesize

                                    64KB

                                  • memory/4100-26-0x0000000002660000-0x000000000371A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4100-34-0x0000000000400000-0x000000000071E000-memory.dmp

                                    Filesize

                                    3.1MB

                                  • memory/4100-16-0x0000000002660000-0x000000000371A000-memory.dmp

                                    Filesize

                                    16.7MB