Analysis

  • max time kernel
    93s
  • max time network
    121s
  • 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, 21:46

General

  • Target

    9464e2541a606af5fed79a8cadd8d2ff2ca96ff8e0ae10e8dbe02441b4097363.exe

  • Size

    160KB

  • MD5

    0a09382defd574cb4ac448be447d8d20

  • SHA1

    8630a52e878c608088eb5020bd2e0ba64e564199

  • SHA256

    9464e2541a606af5fed79a8cadd8d2ff2ca96ff8e0ae10e8dbe02441b4097363

  • SHA512

    bafa85792e6c52d2edd5cea5df705a90d69fc397614e4edc4e5f9d2d926a7c24ed9dad8c6744dc9e009bdcbbe85332a0c7d7b5f5958fdfce915cdf17f58a05a2

  • SSDEEP

    3072:UwbcbaeClYXISBoDLP+QtBVFPS8yXjIysn5OGQETD36L/iAcy92/ViiQ+l:DYbaeCIrGXWQtBVMrGz336LaAcykp

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 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 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
  • Enumerates connected drives 3 TTPs 10 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2376
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:2388
      • C:\Windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
          PID:2492
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3524
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3436
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3292
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                1⤵
                  PID:3080
                • C:\Windows\Explorer.EXE
                  C:\Windows\Explorer.EXE
                  1⤵
                    PID:2792
                    • C:\Users\Admin\AppData\Local\Temp\9464e2541a606af5fed79a8cadd8d2ff2ca96ff8e0ae10e8dbe02441b4097363.exe
                      "C:\Users\Admin\AppData\Local\Temp\9464e2541a606af5fed79a8cadd8d2ff2ca96ff8e0ae10e8dbe02441b4097363.exe"
                      2⤵
                      • Modifies firewall policy service
                      • UAC bypass
                      • Windows security bypass
                      • Windows security modification
                      • Checks whether UAC is enabled
                      • Enumerates connected drives
                      • Drops file in Windows directory
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:4960
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                    1⤵
                      PID:2540
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:5116
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3868
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3604
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:896

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

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                            Downloads

                            • memory/4960-132-0x0000000000400000-0x0000000000429000-memory.dmp

                              Filesize

                              164KB

                            • memory/4960-133-0x00000000007F0000-0x00000000018AD000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/4960-134-0x00000000007F0000-0x00000000018AD000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/4960-135-0x0000000000400000-0x0000000000429000-memory.dmp

                              Filesize

                              164KB

                            • memory/4960-136-0x00000000007F0000-0x00000000018AD000-memory.dmp

                              Filesize

                              16.7MB