Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 19:17

General

  • Target

    4c72ba883cd54ac147e9e77492d47fe5d6c961f352443e4f2d486145bd4c4ae5.exe

  • Size

    703KB

  • MD5

    de6231f4c791e000b42503d23660ec25

  • SHA1

    f2caa09955a0946edbe8a06a66073015c876e186

  • SHA256

    4c72ba883cd54ac147e9e77492d47fe5d6c961f352443e4f2d486145bd4c4ae5

  • SHA512

    009aded91523f878241bde3c800b8c0d23fb6a8aa0ab13b241a1d57ea168ccffdd3b507fc5ca40418ae590390e6d1a4df315b894192c44dd490e423cb272dae0

  • SSDEEP

    12288:cyP7LNx9nRzf2DRUu+/eMBhVG6fAcXr/5OZ8q:bxBteDKTBG6fAm/5O/

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 6 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3024
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3032
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2204
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3440
                  • C:\Users\Admin\AppData\Local\Temp\4c72ba883cd54ac147e9e77492d47fe5d6c961f352443e4f2d486145bd4c4ae5.exe
                    "C:\Users\Admin\AppData\Local\Temp\4c72ba883cd54ac147e9e77492d47fe5d6c961f352443e4f2d486145bd4c4ae5.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:3880
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3580
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3764
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3856
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3928
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4008
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3912
                            • 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:4700
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2732
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2648

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • memory/3880-0-0x0000000000400000-0x00000000004B4000-memory.dmp

                                    Filesize

                                    720KB

                                  • memory/3880-7-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3880-3-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3880-9-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3880-13-0x00000000006F0000-0x00000000006F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3880-6-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3880-22-0x0000000077AF2000-0x0000000077AF3000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3880-21-0x00000000006F0000-0x00000000006F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3880-8-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3880-11-0x0000000003500000-0x0000000003501000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3880-10-0x00000000006F0000-0x00000000006F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3880-5-0x0000000077C30000-0x0000000077C40000-memory.dmp

                                    Filesize

                                    64KB

                                  • memory/3880-4-0x0000000077C30000-0x0000000077C40000-memory.dmp

                                    Filesize

                                    64KB

                                  • memory/3880-24-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3880-27-0x0000000000400000-0x00000000004B4000-memory.dmp

                                    Filesize

                                    720KB