Analysis

  • max time kernel
    124s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/08/2023, 01:59

General

  • Target

    4137132f1609f11be0270963000169b5448177cdc78de41a8e5d2bb2b1dfb4a3.exe

  • Size

    2.4MB

  • MD5

    611f20578e4592cce15f3e67919e90df

  • SHA1

    0015e9fb936dd9100ad5ee5921b4d099e9020545

  • SHA256

    4137132f1609f11be0270963000169b5448177cdc78de41a8e5d2bb2b1dfb4a3

  • SHA512

    91aaaa5263f569cad85664b2f16f44bf3629677a033c986397cc03bb2a76a91694ef8ff21631ead8568e75bc6cc9784c2402ba1dbb8ad491065ca01196840797

  • SSDEEP

    49152:zdCCMb0bljXPznMoH44/g51p7KieVcOxaRjDROOs:zUK5Px44/aKieJIRY

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 42 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Enumerates connected drives 3 TTPs 19 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops autorun.inf file 1 TTPs 2 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 30 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:380
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:824
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:816
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2680
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2756
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2964
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3648
                • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                  "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                  1⤵
                    PID:3876
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:5108
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      1⤵
                        PID:3904
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3756
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:3692
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3536
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                              1⤵
                                PID:3300
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:3188
                                  • C:\Users\Admin\AppData\Local\Temp\4137132f1609f11be0270963000169b5448177cdc78de41a8e5d2bb2b1dfb4a3.exe
                                    "C:\Users\Admin\AppData\Local\Temp\4137132f1609f11be0270963000169b5448177cdc78de41a8e5d2bb2b1dfb4a3.exe"
                                    2⤵
                                    • Modifies firewall policy service
                                    • UAC bypass
                                    • Windows security bypass
                                    • Windows security modification
                                    • Enumerates connected drives
                                    • Writes to the Master Boot Record (MBR)
                                    • Drops autorun.inf file
                                    • Drops file in Program Files directory
                                    • Drops file in Windows directory
                                    • Modifies Internet Explorer settings
                                    • Suspicious behavior: EnumeratesProcesses
                                    • Suspicious use of AdjustPrivilegeToken
                                    • Suspicious use of WriteProcessMemory
                                    • System policy modification
                                    PID:3000

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\0E57CEE9_Rar\4137132f1609f11be0270963000169b5448177cdc78de41a8e5d2bb2b1dfb4a3.exe

                                        Filesize

                                        2.3MB

                                        MD5

                                        a7de6345d3efe5348a8673d43f7bb6d1

                                        SHA1

                                        977541ed79abb51ac6113cad643d85cfd5650175

                                        SHA256

                                        40fb53f4b16f3b9fce2923eb5c3d22b4b094e4411551f4e5aea7f3096a5bf3f8

                                        SHA512

                                        3b59019f726336ed71f402738b58881e8c104e6c1fab12dfd7b8e342d3316cce9c86dced414ce9c22cbb8437a906cb1204486b6c69780bdd82897633c10a7c76

                                      • C:\yhcae.pif

                                        Filesize

                                        97KB

                                        MD5

                                        94938a01b3dd75143e9bf2aa2261d4ca

                                        SHA1

                                        46b90d16277258b5141d2cd97511ecb785dc18d0

                                        SHA256

                                        263eb7ce78fb95abdf8e20bf26d3bae7fd5eeb6295efd4c032ef164c3a56999a

                                        SHA512

                                        e20c40b3ae54051b4f434cf307b61f0d68ae4537af604e1405bcd598342512f836003bfdaec4b60673c639c3c2ef1de1c290491d09dc00fc25846c6c973b78d0

                                      • memory/3000-0-0x0000000000400000-0x0000000000669000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/3000-1-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-3-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-5-0x00000000024C0000-0x00000000024C2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3000-6-0x00000000024D0000-0x00000000024D1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3000-9-0x00000000024C0000-0x00000000024C2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3000-4-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-8-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-10-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-16-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-18-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-19-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-21-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-20-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-22-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-23-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-24-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-25-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-33-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-34-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-35-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-38-0x00000000024C0000-0x00000000024C2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3000-37-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-39-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-40-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-44-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-47-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-43-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-53-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-54-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-57-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-58-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-69-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-70-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-72-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-73-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-75-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-77-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-79-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-80-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-82-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-85-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-87-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-90-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-92-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-93-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-94-0x0000000002600000-0x00000000036BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3000-96-0x0000000000400000-0x0000000000669000-memory.dmp

                                        Filesize

                                        2.4MB