Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 22:00

General

  • Target

    73cd21780bf1b1431ed1d158d43d373d5508654d0e28014a309e8a171305295e.dll

  • Size

    120KB

  • MD5

    c27e581c1fae21b533ecd64a2bd026e5

  • SHA1

    afd79090d03017737ed237572cd1de330631f214

  • SHA256

    73cd21780bf1b1431ed1d158d43d373d5508654d0e28014a309e8a171305295e

  • SHA512

    f1af37a122f304caafdd5e058b1b57d894d662abc3cef9f5483efc8868a47b4eba6edd0f28871a145f73ce271386c81a5bc539211b9d302d62aba4fa14343be6

  • SSDEEP

    1536:HoIy6l/Q3h66pzBPnH91Sur5kMBdJlrnvYUQm36E/OJpdckSOWefr87Fbsi3EsT7:bdpQxlBPdguqUDvYU0qkDl3w5bsilT4m

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 3 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 8 IoCs

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

  • UPX packed file 29 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2608
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2628
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2132
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3468
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\73cd21780bf1b1431ed1d158d43d373d5508654d0e28014a309e8a171305295e.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1648
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\73cd21780bf1b1431ed1d158d43d373d5508654d0e28014a309e8a171305295e.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4212
                      • C:\Users\Admin\AppData\Local\Temp\e57afc8.exe
                        C:\Users\Admin\AppData\Local\Temp\e57afc8.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 AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:5072
                      • C:\Users\Admin\AppData\Local\Temp\e57b258.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b258.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1048
                      • C:\Users\Admin\AppData\Local\Temp\e57e89b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e89b.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:344
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3596
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3776
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3868
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3964
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4040
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:60
                            • 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:1396
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4476
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:2696

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57afc8.exe

                                    Filesize

                                    97KB

                                    MD5

                                    0e81c36a1f6e96a95c8c7bb3a0205429

                                    SHA1

                                    a8c183f0414416dd38ef3b015ffd74387d252ce2

                                    SHA256

                                    80c15f83ce7de9025c00bcf65297ecd0d1b6557d1d5d0b8021303a3c2489dc70

                                    SHA512

                                    957da0c4cabe4a3e19baa93ba3fd80725c59b0451b8fd6b2f9995c60000696fb66487bb25d5884e14ec60efa49b5fd165fffd5714d2b4f99e20d8532fd7ed490

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    9daf11bf42bc238f92edbc156c05d1dd

                                    SHA1

                                    15ae08a6771c9dcc3f7ad65176668246589ac60f

                                    SHA256

                                    1ef00223eb132a8d89be6f1383e53bc47831ab9c24efc3a85ffcadab97b81b67

                                    SHA512

                                    6157c48b30e2c3002ee18c184c34eb982856497c12ef207ef2d35667e56c584a7adec90ef5132d0c4a9144f66b3c5ef3b838bea9f69e5fa106c52c6a08e2df79

                                  • memory/344-89-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/344-133-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/344-132-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/344-85-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/344-87-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/344-88-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/344-98-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/344-99-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1048-36-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1048-84-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1048-46-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1048-41-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1048-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4212-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4212-24-0x0000000003C00000-0x0000000003C02000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4212-31-0x00000000042E0000-0x00000000042E1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4212-30-0x0000000003C00000-0x0000000003C02000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4212-23-0x0000000003C00000-0x0000000003C02000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4212-50-0x0000000003C00000-0x0000000003C02000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5072-39-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-58-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-37-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-22-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-8-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-9-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-44-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-43-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-19-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-18-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-54-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-55-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-56-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-38-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-60-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-68-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5072-66-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-80-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/5072-32-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5072-35-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5072-21-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-28-0x0000000004370000-0x0000000004371000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/5072-20-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-12-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-10-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-11-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-6-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5072-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB