Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-02-2025 22:46

General

  • Target

    JaffaCakes118_819fbebe4bd635417b243ad07da58e35.exe

  • Size

    194KB

  • MD5

    819fbebe4bd635417b243ad07da58e35

  • SHA1

    7d6bd4b74415adc880e846cf7d3b966d4315ceee

  • SHA256

    cf2143a2a892d8a540662b44a71ba00d39d208478ff12a580a94eb957d963bfa

  • SHA512

    1b618496166cce9e29004658aa289809a5362f12c35a18e0bce8097c1750509190adece43766c1f8eff7a182e4cf77cb2c937b323a18af7f14e15e415c621f3a

  • SSDEEP

    3072:S3MBpYsABHc+FFiTaNefyE7G92dS+SAaUZltZm7L3xdXg:SZBJJ0yE6EdSLU/Tm7L3x9g

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 WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 3 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.

  • Drops file in System32 directory 15 IoCs
  • UPX packed file 16 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
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3000
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3020
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2440
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3428
                  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_819fbebe4bd635417b243ad07da58e35.exe
                    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_819fbebe4bd635417b243ad07da58e35.exe"
                    2⤵
                    • Modifies WinLogon for persistence
                    • Modifies visibility of file extensions in Explorer
                    • Modifies visiblity of hidden/system files in Explorer
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in System32 directory
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:548
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh firewall set opmode disable
                      3⤵
                      • Modifies Windows Firewall
                      • Event Triggered Execution: Netsh Helper DLL
                      • System Location Discovery: System Language Discovery
                      PID:4864
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:1044
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3532
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3724
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3812
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3880
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3972
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4132
                            • 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:2360
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4312
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:3148
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4960
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:4220
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2852
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:1544

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\autorun.inf

                                            Filesize

                                            26B

                                            MD5

                                            301bf578bdbdcc25b888d076a38121e6

                                            SHA1

                                            d23be3da2d219cc36d02c0bec26b025a4104ab26

                                            SHA256

                                            740928bee2af816bb43eb384a914f7f2d5ae981408391a54856dda4873d8b332

                                            SHA512

                                            2bc8405a97f8a0ad63c9882f8da5cdbedc2d619d964e67f74cd7e5eb273d0f40d1f735f2d7aacb43252dd76b8c320687dfdcbf45cd914e54221ee2c05517a995

                                          • C:\Windows\SysWOW64\DETER177\smss.exe

                                            Filesize

                                            194KB

                                            MD5

                                            819fbebe4bd635417b243ad07da58e35

                                            SHA1

                                            7d6bd4b74415adc880e846cf7d3b966d4315ceee

                                            SHA256

                                            cf2143a2a892d8a540662b44a71ba00d39d208478ff12a580a94eb957d963bfa

                                            SHA512

                                            1b618496166cce9e29004658aa289809a5362f12c35a18e0bce8097c1750509190adece43766c1f8eff7a182e4cf77cb2c937b323a18af7f14e15e415c621f3a

                                          • memory/548-29-0x0000000002BE0000-0x0000000003C13000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/548-5-0x0000000000720000-0x0000000000722000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/548-4-0x0000000002BE0000-0x0000000003C13000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/548-6-0x0000000000730000-0x0000000000731000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/548-14-0x0000000000720000-0x0000000000722000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/548-10-0x0000000000720000-0x0000000000722000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/548-1-0x0000000002BE0000-0x0000000003C13000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/548-25-0x0000000002BE0000-0x0000000003C13000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/548-0-0x0000000000400000-0x000000000045D000-memory.dmp

                                            Filesize

                                            372KB

                                          • memory/548-3-0x0000000002BE0000-0x0000000003C13000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/548-42-0x0000000000400000-0x000000000045D000-memory.dmp

                                            Filesize

                                            372KB

                                          • memory/548-57-0x0000000000400000-0x000000000045D000-memory.dmp

                                            Filesize

                                            372KB

                                          • memory/548-58-0x0000000000720000-0x0000000000722000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/548-60-0x0000000002BE0000-0x0000000003C13000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/548-69-0x0000000002BE0000-0x0000000003C13000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/548-76-0x0000000002BE0000-0x0000000003C13000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/548-93-0x0000000002BE0000-0x0000000003C13000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/548-101-0x0000000000400000-0x000000000045D000-memory.dmp

                                            Filesize

                                            372KB

                                          • memory/548-124-0x0000000002BE0000-0x0000000003C13000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/548-131-0x0000000000400000-0x000000000045D000-memory.dmp

                                            Filesize

                                            372KB