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Analysis

  • max time kernel
    172s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 18:12

General

  • Target

    b55b4b13c258da767e6de18ce19005034415b92551a1ce70eb988e3998ff2d61.exe

  • Size

    144KB

  • MD5

    60da4ae733b561552c144980ecb9ab67

  • SHA1

    8af21c0146c9e013082cb01ea8adad8e96a2f419

  • SHA256

    b55b4b13c258da767e6de18ce19005034415b92551a1ce70eb988e3998ff2d61

  • SHA512

    42df517a9005c3e68ad260db372757ebee53b53c3edd6bb208100cf95ab8f582d5e9b1491a120b5265aea3406224e2625dc9e743681e891f971394d2054bb353

  • SSDEEP

    3072:3gSWphvhcWZ+f4jIL7CmoQJddDhAt9j2Ux+Ye/zauiU:JWphIf4j27voQtla9f6au

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

  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • UPX packed file 3 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 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:760
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:336
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3480
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3816
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:2308
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4680
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3720
                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                  1⤵
                    PID:3560
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3412
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3324
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:3112
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:700
                            • C:\Users\Admin\AppData\Local\Temp\b55b4b13c258da767e6de18ce19005034415b92551a1ce70eb988e3998ff2d61.exe
                              "C:\Users\Admin\AppData\Local\Temp\b55b4b13c258da767e6de18ce19005034415b92551a1ce70eb988e3998ff2d61.exe"
                              2⤵
                              • UAC bypass
                              • Checks whether UAC is enabled
                              • Drops file in Program Files directory
                              • Drops file in Windows directory
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              • System policy modification
                              PID:4996
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2972
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2864
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2840
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:768

                                  Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

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                                  Downloads

                                  • memory/4996-132-0x0000000001000000-0x0000000001025000-memory.dmp

                                    Filesize

                                    148KB

                                  • memory/4996-133-0x0000000002440000-0x0000000003470000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/4996-134-0x0000000002440000-0x0000000003470000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/4996-135-0x0000000002440000-0x0000000003470000-memory.dmp

                                    Filesize

                                    16.2MB

                                  • memory/4996-136-0x0000000001000000-0x0000000001025000-memory.dmp

                                    Filesize

                                    148KB