Analysis

  • max time kernel
    96s
  • 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
    17-12-2024 04:20

General

  • Target

    99ff1173f02e86d198d7b229e532b3bed2e4d8de4be20f96324d454102339f7eN.dll

  • Size

    120KB

  • MD5

    19ea00d60cb72f4bd6d63dfa339c4250

  • SHA1

    f9c426999eff5d226aa77d4f127066a28d872714

  • SHA256

    99ff1173f02e86d198d7b229e532b3bed2e4d8de4be20f96324d454102339f7e

  • SHA512

    0ca8f1517213d92ca4c5aae86792208ac3efda13dec82b53b058c13ad26d97466432ad878748b115eb1ae0679073dcc29f2e78ecf6ec78a79ad86f8b1ffe9223

  • SSDEEP

    3072:t6RdsJRnvxBVOGb9gHRdR49BxG9siWjaDnq:kRd6nv7EGb2RSMNOq

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 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 13 IoCs

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

  • UPX packed file 27 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 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 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:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2564
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2608
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2984
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3456
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\99ff1173f02e86d198d7b229e532b3bed2e4d8de4be20f96324d454102339f7eN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4848
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\99ff1173f02e86d198d7b229e532b3bed2e4d8de4be20f96324d454102339f7eN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4724
                      • C:\Users\Admin\AppData\Local\Temp\e57c38e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c38e.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:4864
                      • C:\Users\Admin\AppData\Local\Temp\e57c525.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c525.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:180
                      • C:\Users\Admin\AppData\Local\Temp\e57ebe6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ebe6.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2852
                      • C:\Users\Admin\AppData\Local\Temp\e57ec06.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ec06.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:4952
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3592
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3776
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3904
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3984
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4072
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3860
                            • 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:2604
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:5092
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1704

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57c38e.exe

                                    Filesize

                                    97KB

                                    MD5

                                    292443baea40d7bc5d1c6a5c6dc6ce93

                                    SHA1

                                    bb45eb2765f3383095e2813c211c826483f3a783

                                    SHA256

                                    4547f4f23d0ca273907be6af29199916432b96edef4ed74c440a6906cf181c31

                                    SHA512

                                    36aedc9b58477b76b77200a4977efad072ef09a3672bb94163206723bbb6b4c53a080efe7286086a136ec945828766e6db60fa85c23aef544c2eda6173a72770

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    7512b58e06d0c8d715ee558db23d604b

                                    SHA1

                                    579a2f22b84a4e76094aae9ed3d4e168d9f9b564

                                    SHA256

                                    43dd95c1f5f86836d598db48d315fda3364768d183b7c916577913a298822de7

                                    SHA512

                                    6317c72237f073dfd4b1352910574f4900b40765141a5d806c49fdccf1e39ca7389d1aa8207e0323d286cda561c0c7dd308309b75318f017aade662f97a44df0

                                  • memory/180-56-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/180-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/180-111-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/180-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/180-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2852-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2852-145-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2852-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2852-58-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2852-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4724-20-0x0000000000A00000-0x0000000000A02000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4724-29-0x0000000000A00000-0x0000000000A02000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4724-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4724-24-0x0000000000A00000-0x0000000000A02000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4724-21-0x0000000000A10000-0x0000000000A11000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4864-40-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-67-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4864-10-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-34-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-37-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-36-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-38-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-39-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-13-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4864-30-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4864-9-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-19-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-27-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-33-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-28-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4864-23-0x00000000005F0000-0x00000000005F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4864-8-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-11-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-12-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-68-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-69-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-70-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-72-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-74-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-76-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-78-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-80-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-81-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-91-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4864-107-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4952-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4952-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4952-123-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4952-53-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4952-165-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4952-166-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB