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Analysis

  • max time kernel
    92s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 18:52

General

  • Target

    8928cdc1e4cfc9b28ca71b706e637400N.dll

  • Size

    120KB

  • MD5

    8928cdc1e4cfc9b28ca71b706e637400

  • SHA1

    7b5048872972a21e0a2546541f8ed49e1e7afe03

  • SHA256

    34535bc7c7f25f75ff853c9c683e39942f23b00dd9c838ccbc0b39b82905c9bc

  • SHA512

    ecfaabf026985804c1485d5a09891201ef2e45ae269554e4a2e87df3b6beafc87ccf8ec573678b134f36b51ba36d3a53a5b2c5cd329b03619ed4500c923112f6

  • SSDEEP

    3072:2GDA2U3JTYiS+QDLVvsKCHcMwJW1nYqsT+X0:zAr5kbjPVvFCc/WtsTY

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 30 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 14 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3020
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:1268
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2696
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3396
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8928cdc1e4cfc9b28ca71b706e637400N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2812
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8928cdc1e4cfc9b28ca71b706e637400N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3896
                      • C:\Users\Admin\AppData\Local\Temp\e57a037.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a037.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:4888
                      • C:\Users\Admin\AppData\Local\Temp\e57a1be.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a1be.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3728
                      • C:\Users\Admin\AppData\Local\Temp\e57c505.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c505.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:2916
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3584
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3788
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3884
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3948
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4036
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4104
                            • 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:2188
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2332
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:3672
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:1928
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3996
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4440

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e57a037.exe

                                          Filesize

                                          97KB

                                          MD5

                                          7fb3e1c0e790c62589bdb3f09262c1d0

                                          SHA1

                                          6086e571d9ed14945ece23e1a0172aa74eb6cc2c

                                          SHA256

                                          2dd46bcdcfb88b8b3ab9ac07edccc31db4db1d7779e62bf51a6e80d5a0803481

                                          SHA512

                                          6775844668d042b513643231f83d70eeb629db781465d3637866795b8a54d4a6599d7cb6dd76624875348849cea1f95af99831f1831d87bd0e3e199d970d11df

                                        • C:\Windows\SYSTEM.INI

                                          Filesize

                                          257B

                                          MD5

                                          17b81b99aaa65096271a0dc1e27dd327

                                          SHA1

                                          ec0b7f43945b1362564714ad5754e2b9f191143d

                                          SHA256

                                          3fecab93d5b395ecb00093ba33cf0ce85dcca27697f2becc89d2a1d0207c85fc

                                          SHA512

                                          df76b24cd5785e74d1858231a8a1ecf343162aee400d954def29462197f563a870b38cf4f9b85598ab9864d887aa1876addce09847b1e1e2d8f52d3073f4692c

                                        • memory/2916-46-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2916-154-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2916-122-0x0000000000B60000-0x0000000001C1A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2916-153-0x0000000000B60000-0x0000000001C1A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2916-54-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2916-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2916-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3728-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3728-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3728-52-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3728-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3728-105-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3896-31-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3896-14-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3896-25-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3896-47-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3896-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3896-15-0x0000000001170000-0x0000000001171000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4888-39-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-61-0x0000000000770000-0x0000000000772000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4888-36-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-37-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-38-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-17-0x0000000000780000-0x0000000000781000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4888-40-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-6-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-27-0x0000000000770000-0x0000000000772000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4888-50-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-11-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-10-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-23-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-29-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-57-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-30-0x0000000000770000-0x0000000000772000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4888-24-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-32-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-63-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-64-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-65-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-67-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-70-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-71-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-79-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-80-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-82-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-83-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-101-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4888-13-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-12-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-9-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-8-0x0000000000890000-0x000000000194A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4888-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB