Analysis

  • max time kernel
    91s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2024 20:00

General

  • Target

    2024-12-23_3bbf4759dde593d9550d50c581b909a7_bkransomware_hawkeye.exe

  • Size

    520KB

  • MD5

    3bbf4759dde593d9550d50c581b909a7

  • SHA1

    bc81d3389742a51072854d28a8645da63eefbbac

  • SHA256

    1b8cefc037546c3fdec23bc4b9ce345dab435c97108f96c53ed0f30614300c82

  • SHA512

    e01abb132178a0f0b1ef52db086bf269c983c351dcbee6bda5e9cc8225c068b639e92e6b042f6bb3cea6d6399ea44a4e02838778fc2b04ac55e3a7d1ac91ffe9

  • SSDEEP

    6144:SoyZmTAsfJFakxaLjcMkc0Cax1PXGp6bYA0w601+dNT9/0626ASkVOAFLriZHjXB:SoyIJsMPrPWp6bYboEdNhVbyRhwow

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 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
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in Windows directory 2 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:804
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:812
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:376
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2668
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2680
            • 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:3396
                  • C:\Users\Admin\AppData\Local\Temp\2024-12-23_3bbf4759dde593d9550d50c581b909a7_bkransomware_hawkeye.exe
                    "C:\Users\Admin\AppData\Local\Temp\2024-12-23_3bbf4759dde593d9550d50c581b909a7_bkransomware_hawkeye.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • 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:3524
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3560
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3848
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3920
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3996
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3556
                            • 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:4652
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:860

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • memory/3524-0-0x0000000000400000-0x0000000000487000-memory.dmp

                                  Filesize

                                  540KB

                                • memory/3524-1-0x0000000002390000-0x000000000344A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-4-0x0000000002390000-0x000000000344A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-5-0x0000000002390000-0x000000000344A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-6-0x0000000002390000-0x000000000344A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-7-0x0000000002390000-0x000000000344A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-16-0x0000000002390000-0x000000000344A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-18-0x0000000000770000-0x0000000000772000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3524-17-0x0000000002390000-0x000000000344A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-19-0x0000000002390000-0x000000000344A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-20-0x0000000002390000-0x000000000344A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-15-0x0000000000770000-0x0000000000772000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3524-8-0x0000000000770000-0x0000000000772000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3524-26-0x0000000000770000-0x0000000000772000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3524-21-0x0000000002390000-0x000000000344A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-34-0x0000000000400000-0x0000000000487000-memory.dmp

                                  Filesize

                                  540KB

                                • memory/3524-23-0x0000000002390000-0x000000000344A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-9-0x0000000000780000-0x0000000000781000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3524-3-0x0000000002390000-0x000000000344A000-memory.dmp

                                  Filesize

                                  16.7MB