Analysis

  • max time kernel
    91s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 15:05

General

  • Target

    fe5574fa22afe777f254aac7915800efc50b39fce3ed72504ddbb642903ac4ca.dll

  • Size

    120KB

  • MD5

    56554aa48fbad8406ba7bef47e6f9105

  • SHA1

    22570169771bade1e04b655672bb5d8a245c5d4d

  • SHA256

    fe5574fa22afe777f254aac7915800efc50b39fce3ed72504ddbb642903ac4ca

  • SHA512

    f29af7b13d4ead8d92188e8dcae9211efbc41d971754fa01bc6f601ef6eebbda45021d01e5652bf1f1818d062bd7e4d97eca61b90fad6fe243678cc1f7a67fd8

  • SSDEEP

    3072:SKBM5aBiwD7Tj60LgMzCVygXHE4AGmuX0Kv:S/E7PKOCZXHlcuEa

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 9 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 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 31 IoCs

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

  • Drops file in Windows directory 4 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 3 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:316
        • 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:2952
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3460
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe5574fa22afe777f254aac7915800efc50b39fce3ed72504ddbb642903ac4ca.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2668
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe5574fa22afe777f254aac7915800efc50b39fce3ed72504ddbb642903ac4ca.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2024
                      • C:\Users\Admin\AppData\Local\Temp\e579e43.exe
                        C:\Users\Admin\AppData\Local\Temp\e579e43.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:64
                      • C:\Users\Admin\AppData\Local\Temp\e579fab.exe
                        C:\Users\Admin\AppData\Local\Temp\e579fab.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:1768
                      • C:\Users\Admin\AppData\Local\Temp\e57d11b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d11b.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:436
                      • C:\Users\Admin\AppData\Local\Temp\e57d13a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d13a.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • System policy modification
                        PID:1128
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3648
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3856
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3952
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4016
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3672
                            • 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:1492
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3500
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:232

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e579e43.exe

                                    Filesize

                                    97KB

                                    MD5

                                    df5ace593e89a424712aafc7196ecfdf

                                    SHA1

                                    bf47330a2862ba14c533dae4dfcc05855475be31

                                    SHA256

                                    e32040152f702248fa940524984449ad17824541acdb2c5cb74b877e9c388e41

                                    SHA512

                                    7938eb076f11c5f016ea59ab96fddfe08669ab1c1a169b39a55afe1b540ddb864261a8122f44a94ff273b13b9c1f5d86d580a1f543b3da70aaeb545aca7e8421

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    0631d1c1407d4f0ed7673a56eb34be81

                                    SHA1

                                    e4b6108bd9370a9df171003a69761a284e9f736a

                                    SHA256

                                    308d13094bba1d35f8a743c1079a45c172853047240f8a06ee2f5fed79d1e055

                                    SHA512

                                    82bcc185fdaf9bafb24bc1f956b9fc825501b6697572404856ef9c704fc6f7947c5ba754c250c09059c2109b2b75bbe0c543da2c58a3f62346f52fff9e2eed19

                                  • memory/64-67-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-8-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-9-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-38-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-61-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-23-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-24-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-18-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-30-0x0000000000770000-0x0000000000772000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/64-28-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-27-0x0000000000770000-0x0000000000772000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/64-60-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-17-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-22-0x0000000000780000-0x0000000000781000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/64-41-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/64-10-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-63-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-32-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-35-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-36-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-37-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-90-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/64-69-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-6-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-66-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-11-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-59-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/64-57-0x0000000000770000-0x0000000000772000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/64-65-0x0000000000890000-0x000000000194A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/436-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/436-160-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1128-58-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1128-175-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1768-138-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1768-100-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1768-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1768-139-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1768-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1768-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1768-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1768-96-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1768-101-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1768-97-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1768-102-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1768-95-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2024-53-0x0000000001180000-0x0000000001182000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2024-19-0x0000000001180000-0x0000000001182000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2024-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2024-20-0x0000000001190000-0x0000000001191000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2024-25-0x0000000001180000-0x0000000001182000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2024-31-0x0000000001180000-0x0000000001182000-memory.dmp

                                    Filesize

                                    8KB