Analysis

  • max time kernel
    130s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 04:24

General

  • Target

    33138b8feb2ab5888b04ebcf82abe90c5f6dabd2f4434826c8c638e997bcfd44.exe

  • Size

    184KB

  • MD5

    68985fd10a010979b34e42155ea63a81

  • SHA1

    08621e2eae2129e69b7222c10426ae47535e7cfc

  • SHA256

    33138b8feb2ab5888b04ebcf82abe90c5f6dabd2f4434826c8c638e997bcfd44

  • SHA512

    798a1612db34a25f87e9134258e0fdb6d96adc06b390141fa0ce4a473434288027436d375962499d8871af6412d133745e34a006d103478dc861f49c35d50141

  • SSDEEP

    3072:+1qn4NVFS/YK/xuBAKdJlR2m+aJLtpbh3RgOliwhBIba0ExQ0+1f2H1mXumbjHb:9ITS/zZ1KImJbtRgO3DTlH8+mbLb

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/

http://klkjwre77638dfqwieuoi888.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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 3 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:64
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:2304
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3392
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
          1⤵
            PID:5000
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:5024
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4768
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3788
                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                  1⤵
                    PID:3480
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3324
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3228
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:2708
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:3040
                            • C:\Users\Admin\AppData\Local\Temp\33138b8feb2ab5888b04ebcf82abe90c5f6dabd2f4434826c8c638e997bcfd44.exe
                              "C:\Users\Admin\AppData\Local\Temp\33138b8feb2ab5888b04ebcf82abe90c5f6dabd2f4434826c8c638e997bcfd44.exe"
                              2⤵
                              • Modifies firewall policy service
                              • UAC bypass
                              • Windows security bypass
                              • Disables RegEdit via registry modification
                              • 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:4824
                              • C:\Users\Admin\AppData\Local\Temp\33138b8feb2ab5888b04ebcf82abe90c5f6dabd2f4434826c8c638e997bcfd44.exe
                                -deleter
                                3⤵
                                  PID:1812
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2432
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2328
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:804
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:800
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1664

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • memory/1812-134-0x0000000000000000-mapping.dmp

                                      • memory/1812-136-0x0000000000400000-0x0000000000430000-memory.dmp

                                        Filesize

                                        192KB

                                      • memory/1812-137-0x0000000000400000-0x0000000000430000-memory.dmp

                                        Filesize

                                        192KB

                                      • memory/4824-132-0x0000000000400000-0x0000000000430000-memory.dmp

                                        Filesize

                                        192KB

                                      • memory/4824-133-0x0000000002240000-0x00000000032CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4824-135-0x0000000002240000-0x00000000032CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4824-138-0x0000000000400000-0x0000000000430000-memory.dmp

                                        Filesize

                                        192KB

                                      • memory/4824-139-0x0000000002240000-0x00000000032CE000-memory.dmp

                                        Filesize

                                        16.6MB