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Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2024, 23:40

General

  • Target

    7b514b21b4a46f94468a9a94f0d2e382bd142a295bb69e6cc3ee2afa59cb554d.dll

  • Size

    120KB

  • MD5

    3385f70bae0b0a65bace68b5f5efa1c1

  • SHA1

    d37748dc4a135cb2423f0d26a3b830281a30e1ea

  • SHA256

    7b514b21b4a46f94468a9a94f0d2e382bd142a295bb69e6cc3ee2afa59cb554d

  • SHA512

    4bf6ad9c90103404d2d8a51cc665c6e4d2cf571c3f928ac9ae43d22d20e3427d367dd9c574f8eceac5477a2edcaae50d9d3af1aae8bf87749a4733c871c021d6

  • SSDEEP

    1536:mxJp5PC/nSFBbKmuPRA9zqaw+rKfnFH953Vw9qsni7XeBMQKwIlN:mZ5/HbKpPkOaw+oFHvFafiMMzwoN

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 2 TTPs 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 23 IoCs
  • UPX dump on OEP (original entry point) 27 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 23 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 6 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2492
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2500
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2728
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3404
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b514b21b4a46f94468a9a94f0d2e382bd142a295bb69e6cc3ee2afa59cb554d.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3496
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b514b21b4a46f94468a9a94f0d2e382bd142a295bb69e6cc3ee2afa59cb554d.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2468
                      • C:\Users\Admin\AppData\Local\Temp\e576ce3.exe
                        C:\Users\Admin\AppData\Local\Temp\e576ce3.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2464
                      • C:\Users\Admin\AppData\Local\Temp\e5771a6.exe
                        C:\Users\Admin\AppData\Local\Temp\e5771a6.exe
                        4⤵
                        • Executes dropped EXE
                        PID:4316
                      • C:\Users\Admin\AppData\Local\Temp\e579d2a.exe
                        C:\Users\Admin\AppData\Local\Temp\e579d2a.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4984
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3528
                  • 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:3844
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3912
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4008
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4148
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:488
                              • 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:1988
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                  1⤵
                                    PID:3516
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:4312
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:1156
                                      • C:\Windows\system32\BackgroundTaskHost.exe
                                        "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                        1⤵
                                          PID:3232
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:1956
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:3428

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\e576ce3.exe

                                              Filesize

                                              97KB

                                              MD5

                                              4f51ced9b00d8efbd4d2d22595c838d1

                                              SHA1

                                              2821b87d10cb4b540d315f484775db1dc75064c4

                                              SHA256

                                              e8fb57785510af08049f6569d7a8385baee59ca5e884bdc427bf30c8a36d1711

                                              SHA512

                                              f3ed3cb40c48f9331715feb98dd619820998781e53657a1c49660fdce6b2ac523c0b985b92982478c0468d5ead160b84d1b34e87c0904d0c98a802cfaf675eb1

                                            • C:\Windows\SYSTEM.INI

                                              Filesize

                                              257B

                                              MD5

                                              4801230866f4dad434b80b989cec7993

                                              SHA1

                                              8630265c93230208248cbb8ee2f45a089ed93c5b

                                              SHA256

                                              992ffb71887a92b084158e6661ffc8b815c31d6d6c77a36bc2a0ff5e0fb71a99

                                              SHA512

                                              4dd6808556ca206288921c5f367cb894c21f5651baa92704e33647fcb05b55cadbe27d2195ac18dcc2f8ef1aaae7b4cc2e12350696b4cae3f3df1347bc4ed75e

                                            • memory/2464-27-0x0000000003510000-0x0000000003512000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2464-25-0x0000000003E60000-0x0000000003E61000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2464-9-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-10-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-11-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-63-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-12-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-28-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-24-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-55-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-7-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-75-0x0000000003510000-0x0000000003512000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2464-62-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-29-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/2464-33-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-36-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-38-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-39-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-54-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-53-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-48-0x00000000007C0000-0x000000000187A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2464-83-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/2468-13-0x0000000000F60000-0x0000000000F62000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2468-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/2468-42-0x0000000000F60000-0x0000000000F62000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2468-20-0x0000000003B70000-0x0000000003B71000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2468-21-0x0000000000F60000-0x0000000000F62000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4316-84-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4316-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/4316-50-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/4316-51-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4316-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/4984-90-0x0000000000830000-0x00000000018EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4984-88-0x0000000000830000-0x00000000018EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4984-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/4984-91-0x0000000000830000-0x00000000018EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4984-94-0x0000000001BF0000-0x0000000001BF1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/4984-96-0x0000000000720000-0x0000000000722000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4984-93-0x0000000000830000-0x00000000018EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4984-134-0x0000000000830000-0x00000000018EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4984-135-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB