Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2024, 04:47

General

  • Target

    b748c37f4e969aef69a2e4efff322dcd47d15ffba51b12e8e68800709d3ad9b1N.exe

  • Size

    169KB

  • MD5

    d07164118c47eb4f0a26edbb70894ee0

  • SHA1

    4f7d43a41509cf185941c8057e33941dd3dbaa4d

  • SHA256

    b748c37f4e969aef69a2e4efff322dcd47d15ffba51b12e8e68800709d3ad9b1

  • SHA512

    3cfb80e478d36bd0be5bef949d115daa722b91ff2d0f07653890deef9e1c40b1f7cbc128315878233cad17b8895f1267deed106ea8f0326ab78a019c7ef58a88

  • SSDEEP

    3072:0vgmJAIlSPxX/ZWOFr4JxRRd8KEiPkrMLgGk0Yg1iAQbFJB0sLb:rvIAPxBWOFU/RRdIgXLgGkE/UJBVLb

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 3 TTPs 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • UPX packed file 36 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1012
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2700
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2820
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2888
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3476
                  • C:\Users\Admin\AppData\Local\Temp\b748c37f4e969aef69a2e4efff322dcd47d15ffba51b12e8e68800709d3ad9b1N.exe
                    "C:\Users\Admin\AppData\Local\Temp\b748c37f4e969aef69a2e4efff322dcd47d15ffba51b12e8e68800709d3ad9b1N.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • 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
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:2936
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3616
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3796
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3896
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3972
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4056
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3496
                            • 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:5000
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1172
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:1472
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3188
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2472
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:1720

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • F:\jcirsy.pif

                                                Filesize

                                                100KB

                                                MD5

                                                8fc2f5b528119573a2addc043c8c098f

                                                SHA1

                                                739b7ded3f0cb81ed9d8f072890be60583c2188b

                                                SHA256

                                                48d5c96dedb4e0e9fe5c321b97756a5a7b5f63891f76c3ea5911252de456d3fc

                                                SHA512

                                                50f07bcd23067da968a66794745a0972836bdeb61cea892d6374977f29bda26d47e7dc4960448cfc72fe4a6d9262a152d10f65abe8f674ba4ff54cd5eaf46579

                                              • memory/2936-24-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-17-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-3-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-5-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-12-0x0000000004250000-0x0000000004251000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2936-11-0x0000000000530000-0x0000000000532000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2936-7-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-10-0x0000000000530000-0x0000000000532000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2936-6-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-13-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-9-0x0000000002060000-0x0000000002061000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2936-8-0x0000000000530000-0x0000000000532000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2936-15-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-29-0x0000000000530000-0x0000000000532000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2936-16-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-27-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-18-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-19-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-20-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-22-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-23-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-0-0x0000000000400000-0x0000000000429000-memory.dmp

                                                Filesize

                                                164KB

                                              • memory/2936-4-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-26-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-14-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-30-0x0000000004250000-0x0000000004251000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2936-31-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-33-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-36-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-38-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-41-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-48-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-49-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-51-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-53-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-55-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-58-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-60-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-61-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-63-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-65-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-68-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-69-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-1-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/2936-80-0x0000000000400000-0x0000000000429000-memory.dmp

                                                Filesize

                                                164KB