Analysis

  • max time kernel
    151s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2022 08:50

General

  • Target

    5e4a399257e73b8cb7290cbca4952f4352447e9d5cbf5ed0c233d3517e06babe.exe

  • Size

    261KB

  • MD5

    319b11b4cc522a1b9e177572e3c87a80

  • SHA1

    288e4dda843e91ac0cafb21cad8fdf01b6186b78

  • SHA256

    5e4a399257e73b8cb7290cbca4952f4352447e9d5cbf5ed0c233d3517e06babe

  • SHA512

    2afd15e4708e86ad538a3cde569ac46c594b3187e249825efb0a9eaf5fe942f0dd171aa5f919828f79d3c90e9cd6108efb14a3f242e0c68191b79e6f12921474

  • SSDEEP

    6144:3h3IzYeyy/HmG270jQf9glxdHaZih52sxYSzyQ:JI31mz0MMdH52SnzyQ

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 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 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1020
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:788
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
            PID:2440
            • C:\Users\Admin\AppData\Local\Temp\5e4a399257e73b8cb7290cbca4952f4352447e9d5cbf5ed0c233d3517e06babe.exe
              "C:\Users\Admin\AppData\Local\Temp\5e4a399257e73b8cb7290cbca4952f4352447e9d5cbf5ed0c233d3517e06babe.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
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:4396
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3456
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:2320
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4620
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3764
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3572
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3356
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3252
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:2740
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2464
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2360
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2336

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • memory/4396-132-0x0000000002340000-0x00000000033CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4396-133-0x0000000000400000-0x0000000000445000-memory.dmp

                                  Filesize

                                  276KB

                                • memory/4396-134-0x0000000002340000-0x00000000033CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4396-135-0x0000000002340000-0x00000000033CE000-memory.dmp

                                  Filesize

                                  16.6MB