Analysis

  • max time kernel
    0s
  • max time network
    62s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2023 09:03

General

  • Target

    13b4293f005672968a3a9fb5a13f83bf.exe

  • Size

    127KB

  • MD5

    13b4293f005672968a3a9fb5a13f83bf

  • SHA1

    766c1eff0197143a3541d0cb21f6c7f5aef82a96

  • SHA256

    009fd8571caf72728fd6c191043bcb63952afdb9d65cd935637297f542f7218e

  • SHA512

    09de181de793cf9982abd84d20f0e2971902e0684b5b29cdba3eac819c578cf92de15a4739a74d79d5eaf75a1dc5d38e43ce3eba7a10a09b9218be173d354b88

  • SSDEEP

    3072:/OxfaA2nWJ7hus1J5jlDYF60dZQyf7Cmm0j0K1kEY:/OTdBWY0pf270vkj

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
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:60
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:764
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:768
        • C:\Users\Admin\AppData\Local\Temp\13b4293f005672968a3a9fb5a13f83bf.exe
          "C:\Users\Admin\AppData\Local\Temp\13b4293f005672968a3a9fb5a13f83bf.exe"
          1⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Windows security modification
          • Checks whether UAC is enabled
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:4452
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
          1⤵
            PID:3472
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
            1⤵
              PID:1660
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
              1⤵
                PID:1432
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4544
                • 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:1068
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4208
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      1⤵
                        PID:4044
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3956
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:3888
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3800
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                              1⤵
                                PID:3576
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:3388
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:3116
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2484
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:3040

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/4452-0-0x0000000000400000-0x000000000041B000-memory.dmp

                                        Filesize

                                        108KB

                                      • memory/4452-1-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-3-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-6-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4452-8-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4452-4-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-9-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-10-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-11-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-5-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4452-12-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-13-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-14-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-15-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-16-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-17-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-18-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-19-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-21-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-22-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-23-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-25-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-26-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-28-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-30-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-33-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-35-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-37-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-39-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-41-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-48-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-50-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-53-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4452-52-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-54-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-55-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-56-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-58-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-60-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-62-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-64-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-66-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4452-68-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB