Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 18:50

General

  • Target

    9c53d89de20858dace0d7978730252fbad53250f810ff57103d21d2ebad5eef8.exe

  • Size

    100KB

  • MD5

    07e86bb6415b7cefe04a38ce5cbfc985

  • SHA1

    2ded53db351de3313f27029555da021bbdd7260d

  • SHA256

    9c53d89de20858dace0d7978730252fbad53250f810ff57103d21d2ebad5eef8

  • SHA512

    9af4551b8901e3c01babd57127ff2c12c6d07452a44297c3b45a363018e71eecb3ca82b5325068d8472076990fb2a912b66ea8a9adcfaad8312503e7e2d808e5

  • SSDEEP

    3072:+9p9/Xbslk+oOoeE701JlqFmXrrhXSo8dmHoWk1CYqnQC2:+9p9IW+foe/1RQohHk1CYqnu

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
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 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\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:796
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:376
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:800
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2468
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
            1⤵
              PID:3276
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3436
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4696
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3636
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3536
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3368
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:1336
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:2056
                            • C:\Users\Admin\AppData\Local\Temp\9c53d89de20858dace0d7978730252fbad53250f810ff57103d21d2ebad5eef8.exe
                              "C:\Users\Admin\AppData\Local\Temp\9c53d89de20858dace0d7978730252fbad53250f810ff57103d21d2ebad5eef8.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
                              • Modifies registry class
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              • System policy modification
                              PID:1848
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                            1⤵
                              PID:2384
                            • C:\Windows\system32\sihost.exe
                              sihost.exe
                              1⤵
                                PID:2372

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • memory/1848-132-0x00000000022D0000-0x000000000335E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/1848-133-0x0000000000400000-0x0000000000415000-memory.dmp

                                Filesize

                                84KB

                              • memory/1848-134-0x00000000022D0000-0x000000000335E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/1848-135-0x00000000022D0000-0x000000000335E000-memory.dmp

                                Filesize

                                16.6MB