Analysis

  • max time kernel
    132s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2023, 19:12

General

  • Target

    NEAS.c387c67e9e84e81cc0f1c20cffbb4da0.dll

  • Size

    120KB

  • MD5

    c387c67e9e84e81cc0f1c20cffbb4da0

  • SHA1

    4c16f7ab26d85126528222cd3855791051522dfa

  • SHA256

    b09891b80ed57f6b6ddb85fbed7314eec1210a42ce17a8da03b45cf49eff8f64

  • SHA512

    cad76fb67edfc1a3f02d095fe453f587dc8f6cb3334ed42a493f366140ffeef50fdbc877a2a03025e8ddefbfb1186e849a374c59dc99420cf220adc933ed5696

  • SSDEEP

    1536:aYxNQ0S9MT4/oFj6dwDwo8YUNgS7w5YGeAmKdNxRaZlvgWRdPzXwgq1Ctq:vjR/IoFj6kk7OYGeAxRaZyW/Pz/q1CY

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 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 23 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 8 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:64
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:2452
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3716
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
          1⤵
            PID:468
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
            1⤵
              PID:4948
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:2872
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:2528
                • 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:3744
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4012
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      1⤵
                        PID:3816
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3648
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          1⤵
                            PID:3496
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:3240
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3144
                                • C:\Windows\system32\rundll32.exe
                                  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c387c67e9e84e81cc0f1c20cffbb4da0.dll,#1
                                  2⤵
                                  • Suspicious use of WriteProcessMemory
                                  PID:3792
                                  • C:\Windows\SysWOW64\rundll32.exe
                                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c387c67e9e84e81cc0f1c20cffbb4da0.dll,#1
                                    3⤵
                                    • Suspicious use of WriteProcessMemory
                                    PID:4924
                                    • C:\Users\Admin\AppData\Local\Temp\e57d62c.exe
                                      C:\Users\Admin\AppData\Local\Temp\e57d62c.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:556
                              • C:\Windows\system32\taskhostw.exe
                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                1⤵
                                  PID:2820
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                  1⤵
                                    PID:2480
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:784
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:776

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e57d62c.exe

                                        Filesize

                                        97KB

                                        MD5

                                        ff099816dd2cf8a7199b67994366b893

                                        SHA1

                                        c4b32686a0e45da076d457ff5601c524d2080599

                                        SHA256

                                        febb4fdaf98aa77cead96547c4c813a8ad9f34391cc2c60f361ff42d4005494c

                                        SHA512

                                        043a2774fe6578f69d644d6b32cbf18bc6584b1d986a3311672667f00b82b78872dbffb1402cb63eda2a13202e2d73d5da2fdd314c54fde9ba61bee1c4ddf065

                                      • C:\Users\Admin\AppData\Local\Temp\e57d62c.exe

                                        Filesize

                                        97KB

                                        MD5

                                        ff099816dd2cf8a7199b67994366b893

                                        SHA1

                                        c4b32686a0e45da076d457ff5601c524d2080599

                                        SHA256

                                        febb4fdaf98aa77cead96547c4c813a8ad9f34391cc2c60f361ff42d4005494c

                                        SHA512

                                        043a2774fe6578f69d644d6b32cbf18bc6584b1d986a3311672667f00b82b78872dbffb1402cb63eda2a13202e2d73d5da2fdd314c54fde9ba61bee1c4ddf065

                                      • memory/556-27-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-29-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-7-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-9-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-10-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-11-0x0000000003520000-0x0000000003522000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/556-15-0x0000000003520000-0x0000000003522000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/556-13-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/556-12-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-16-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-22-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-23-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-24-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-25-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/556-68-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/556-31-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-30-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-28-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-33-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-34-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-35-0x0000000003520000-0x0000000003522000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/556-36-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-38-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-39-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-42-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-44-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-46-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-50-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/556-61-0x0000000003520000-0x0000000003522000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4924-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB