Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 19:53

General

  • Target

    7a421ece555ec12acfc1808fd03e337ac5f1284a3697af6994f786eb3b117803N.dll

  • Size

    120KB

  • MD5

    d966d3c1eeb0eaa9c0a5aacd031b7050

  • SHA1

    1ff918ddb8e8fa63dc2f7596ed42719959cb8bc2

  • SHA256

    7a421ece555ec12acfc1808fd03e337ac5f1284a3697af6994f786eb3b117803

  • SHA512

    a8e98b7d5019abd34c25fb8194bc136bbddb17b169cb54abe495a65f741f34b6a94e5da0fb5e9d16aa601764a1e838f81020408bbc53541c694ea4c55c7c92f6

  • SSDEEP

    3072:a2yozsdm63aUSxlnBVnRMO2X1YMhpb85kcBfU6:rym63gxdBVRb2lYMhaFB

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 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 16 IoCs

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

  • UPX packed file 33 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:768
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2672
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2704
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3040
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3412
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a421ece555ec12acfc1808fd03e337ac5f1284a3697af6994f786eb3b117803N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4340
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a421ece555ec12acfc1808fd03e337ac5f1284a3697af6994f786eb3b117803N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1008
                      • C:\Users\Admin\AppData\Local\Temp\e57a2b8.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a2b8.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • 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 WriteProcessMemory
                        • System policy modification
                        PID:2612
                      • C:\Users\Admin\AppData\Local\Temp\e57a3d1.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a3d1.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2272
                      • C:\Users\Admin\AppData\Local\Temp\e57be3f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57be3f.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4668
                      • C:\Users\Admin\AppData\Local\Temp\e57be5e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57be5e.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:1536
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3544
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3720
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3816
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • 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:2748
                            • 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:1616
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:1684
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:1368

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e57a2b8.exe

                                      Filesize

                                      97KB

                                      MD5

                                      f0e476ddf083de62372af2df34c40419

                                      SHA1

                                      8bfc1469a4fac4fde83182bfaabafedc332ab3ad

                                      SHA256

                                      39971fc5a46dbef79f70e6351c1525378a1a3811fffd2e0e35f516a496d3b536

                                      SHA512

                                      13cd9c581c4d337a693ab0380b7bf784e3874400e08dbf317c29242e750560ac15a34faeb5c60c2a8424342c71ea8ca2626a49b0b2b73dba9c424f7da5efc5b4

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      bbc79694e3361a1cf583dcc86911d7b0

                                      SHA1

                                      1e50f737920b528850c6b25567999a6809e7d090

                                      SHA256

                                      4fdeea58eda5012657cfdc24a641a0d817d3ee75b267eb7683d3bdba792cac3e

                                      SHA512

                                      b717723b44745b689802bdbe5745fcee0fb5418a3fcfbec0fc4ed50d1d178cd9227f5eff82aff558e0cca7a92995f2afb27b612553e3d344d5bca24361e132c1

                                    • memory/1008-35-0x0000000001690000-0x0000000001692000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1008-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1008-13-0x0000000001690000-0x0000000001692000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1008-14-0x00000000049C0000-0x00000000049C1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1008-15-0x0000000001690000-0x0000000001692000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1536-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1536-136-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1536-96-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1536-167-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1536-168-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1536-69-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1536-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1536-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2272-70-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2272-119-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2272-90-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2272-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2272-64-0x0000000000460000-0x0000000000461000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2272-66-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2612-60-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-26-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-37-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-38-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-39-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-40-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-42-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-43-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-55-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-31-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-59-0x0000000000520000-0x0000000000522000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2612-8-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-61-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-10-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2612-27-0x0000000000520000-0x0000000000522000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2612-12-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-6-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-11-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-25-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-32-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-36-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-75-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-77-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-80-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-81-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-84-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-85-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-89-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-30-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-92-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-93-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-94-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-33-0x0000000000520000-0x0000000000522000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2612-9-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2612-105-0x0000000000520000-0x0000000000522000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2612-115-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2612-17-0x0000000001BC0000-0x0000000001BC1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4668-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4668-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4668-148-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4668-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4668-67-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB