Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 02:26

General

  • Target

    8330b89617b335208b4a038ac56a1b2c85246cc7c0d59a12353980fb41064a57N.dll

  • Size

    120KB

  • MD5

    7a9e488daf6b579afc7c20acac9c1140

  • SHA1

    dcefbf0e3ecacef72e1992f86aad1aac4d9c4bae

  • SHA256

    8330b89617b335208b4a038ac56a1b2c85246cc7c0d59a12353980fb41064a57

  • SHA512

    59c9e59efd46f1633edb41130ce8511b469e496827d635e92f40c929459d8c34efb95b60e5c977cb06a36639fb7be25d0ef2fdb804079e0eae318b939083e5e2

  • SSDEEP

    3072:GYXwGUXxTREjDNrXUdB1+JJZjOFD7DVX3/pgH2:yXxTijDNrEdB1+JJZChVHi

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 3 IoCs

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

  • UPX packed file 30 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 63 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:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2544
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2552
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2668
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3356
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8330b89617b335208b4a038ac56a1b2c85246cc7c0d59a12353980fb41064a57N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3480
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8330b89617b335208b4a038ac56a1b2c85246cc7c0d59a12353980fb41064a57N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1504
                      • C:\Users\Admin\AppData\Local\Temp\e579fba.exe
                        C:\Users\Admin\AppData\Local\Temp\e579fba.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:4572
                      • C:\Users\Admin\AppData\Local\Temp\e57a19f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a19f.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2068
                      • C:\Users\Admin\AppData\Local\Temp\e57e000.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e000.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
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2152
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3704
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3868
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3960
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4028
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2056
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3900
                            • 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:5000
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1616

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e579fba.exe

                                  Filesize

                                  97KB

                                  MD5

                                  14b5733743f4b59902aa8fb70c85de39

                                  SHA1

                                  6594170595de851115582139fa3084b960998a9c

                                  SHA256

                                  d0dbaad6ebaacef8b233befb3aff4b5981e66a70742927d06e1279231316b7d9

                                  SHA512

                                  c708b58f4aa6fbb153d6ffe53086a8a6a0f5c76aabacc0b5162f784668bba92568b2a27e1b5e8b98db44c2bbe2a75fba72a008bfd37e4f129c13c5f5961de97e

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  e801fe1596e198a9475bb17193380ac2

                                  SHA1

                                  43e0cc557c1a4e4dd7a95d46b6ae915a07af5b11

                                  SHA256

                                  3b8cdd9d8d01e2bcf2f47d4922b0d9f1d29f73fc3084f2793518e7c6ebec41a8

                                  SHA512

                                  fcbea88fd0a8188e258d2586839c9f6960dcb38d87c5264bbd49818d2cde8b3a2a9f4f3a0a8fec6f34a8aee75a0843b87917c73f050944434bee72f53655045f

                                • memory/1504-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/1504-18-0x0000000001170000-0x0000000001172000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1504-16-0x0000000001170000-0x0000000001172000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1504-17-0x0000000001210000-0x0000000001211000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1504-28-0x0000000001170000-0x0000000001172000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2068-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2068-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2068-79-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2068-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2068-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2152-82-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-84-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-83-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-87-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-86-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-95-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-88-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-85-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-98-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-97-0x0000000001BC0000-0x0000000001BC1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2152-120-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2152-121-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-25-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-10-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-37-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-42-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-43-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-36-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-53-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-54-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-56-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-75-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4572-58-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-65-0x0000000003520000-0x0000000003522000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4572-9-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-38-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-11-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-14-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-31-0x0000000003520000-0x0000000003522000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4572-35-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-34-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-33-0x0000000003520000-0x0000000003522000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4572-27-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4572-12-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-15-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-6-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-8-0x00000000008B0000-0x000000000196A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4572-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB