Analysis

  • max time kernel
    120s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 17:16

General

  • Target

    7898158b1bf959119c1fc5b8654423a05ae946caa90e40393f32b878508f4826N.exe

  • Size

    65KB

  • MD5

    dd89c3e5aa3534941b1d9be6363225b0

  • SHA1

    d3c82ccd0b15d7e3ff87663a8c6bb5da8f30bea2

  • SHA256

    7898158b1bf959119c1fc5b8654423a05ae946caa90e40393f32b878508f4826

  • SHA512

    2eb931939b4786a8bc80ad267e986d78840c1d4e10257729747c2c802d7e880c9995171416154f20f137f1897ea695a432cff69e99c8884ccee70f58fb25be8e

  • SSDEEP

    1536:+ywG2ss00K9jM6Vw8jSqc0DITLwJAImcFk3aEE/SXcBtVfV:lwTN0N9jPVdhc0DI/wJAImcsE/3B7V

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
  • 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.

  • UPX packed file 40 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 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:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3000
          • 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:2844
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3432
                  • C:\Users\Admin\AppData\Local\Temp\7898158b1bf959119c1fc5b8654423a05ae946caa90e40393f32b878508f4826N.exe
                    "C:\Users\Admin\AppData\Local\Temp\7898158b1bf959119c1fc5b8654423a05ae946caa90e40393f32b878508f4826N.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
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:2096
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3536
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3720
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3816
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3920
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4004
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3892
                            • 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:3648
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1392
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2700

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\wyqka.exe

                                    Filesize

                                    97KB

                                    MD5

                                    ddc673e6d9e130b7b921c492f5fdd591

                                    SHA1

                                    cfe92fbc77773879280e5abbe47b7e05cab0a470

                                    SHA256

                                    f6575ffd91cdf48388c034580658cffe190174afd95bc02949a7a2a40b45dc77

                                    SHA512

                                    ea4bee18ec232647172b9a5ee8e60f1a3687e43dc78058c987e906b5815f7fa9f3099f98ac774f26d9b089e7a307cf4aba16a0ce2360d028dfb04e6c4f1352b5

                                  • memory/2096-32-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-69-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-17-0x0000000003B70000-0x0000000003B72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2096-16-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-19-0x0000000003B70000-0x0000000003B72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2096-5-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-3-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-9-0x0000000003B80000-0x0000000003B81000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2096-8-0x0000000003B70000-0x0000000003B72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2096-7-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-4-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-1-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-18-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-21-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-20-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-22-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-23-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-24-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-25-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-26-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-28-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-29-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-6-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-11-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-37-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-34-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-36-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-33-0x0000000003B70000-0x0000000003B72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2096-41-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-43-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-46-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-47-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-48-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-50-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-56-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-57-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-60-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-62-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-64-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-67-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-68-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2096-71-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-73-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-78-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-30-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB