Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 21:32

General

  • Target

    3b903766bc02ec60a172396e8f77ba5cad28b1a5f853b70dbe050e2e0c948d90.dll

  • Size

    120KB

  • MD5

    473f4421e217f21a478473a1d2ceebdf

  • SHA1

    5efa86756a7a6997bd65eb64a30851327184c025

  • SHA256

    3b903766bc02ec60a172396e8f77ba5cad28b1a5f853b70dbe050e2e0c948d90

  • SHA512

    5ba3ec1fbd00c42ca62ad2859cf13727cea4c9897d3ff14a05c0722bd645ddace3fcd65918a7bcf042ee134c3fc4b3bfc3b7234d56543ec48385cdb594beefd5

  • SSDEEP

    1536:1PzMyQJFzzmBxh2m9qYQ39AVjOZUoIIlOFrbDsnCPSqOJvIoz4PWpQBkbXb:17828/YsAVqUoWEn1qOJAYHQBS

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 9 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 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 61 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:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2640
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2656
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2804
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3580
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b903766bc02ec60a172396e8f77ba5cad28b1a5f853b70dbe050e2e0c948d90.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2760
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b903766bc02ec60a172396e8f77ba5cad28b1a5f853b70dbe050e2e0c948d90.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1504
                      • C:\Users\Admin\AppData\Local\Temp\e578dd8.exe
                        C:\Users\Admin\AppData\Local\Temp\e578dd8.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:3124
                      • C:\Users\Admin\AppData\Local\Temp\e578f5f.exe
                        C:\Users\Admin\AppData\Local\Temp\e578f5f.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:344
                      • C:\Users\Admin\AppData\Local\Temp\e57b68e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b68e.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3504
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3692
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3884
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4028
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:956
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:4224
                          • 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:2312
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:816

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\e578dd8.exe

                                Filesize

                                97KB

                                MD5

                                c5d9a81c86d8736d3fb77e669b9c37c8

                                SHA1

                                c76026a70d79ff02cab15e8a11ff0a328f79b9a2

                                SHA256

                                9ac47df34100e2e47e0bcfb3613e21887f0acb791f8ec49387d98a4368148fe9

                                SHA512

                                2d305b6f78d221462fd1acd6e98a1f1692572b84387313537285677e598e7582944f601f09a7091b2c97219f965b09ad2946ba08fd07d43af2b4f1000edf7fbf

                              • C:\Windows\SYSTEM.INI

                                Filesize

                                257B

                                MD5

                                ce556688bbc0a7a89ac7f47693d0f793

                                SHA1

                                6150ae3d6675a52916e3f6685cf7f7798380be96

                                SHA256

                                1dd6ea4544ea26bb3faa0b453f09537684e68f936227fd2bd1e7a811545ec863

                                SHA512

                                07496ca7834b88ad5481a04ca19d42924b293218b68883c5eb9449a634b1c91abbe0f6d456c626b5546a4b411459a69eaa7a68b8a863b4f67b1bf50ac21aaf48

                              • memory/344-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                Filesize

                                8KB

                              • memory/344-128-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/344-105-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/344-127-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/344-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                Filesize

                                8KB

                              • memory/344-50-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1504-19-0x0000000003850000-0x0000000003851000-memory.dmp

                                Filesize

                                4KB

                              • memory/1504-46-0x00000000037C0000-0x00000000037C2000-memory.dmp

                                Filesize

                                8KB

                              • memory/1504-29-0x00000000037C0000-0x00000000037C2000-memory.dmp

                                Filesize

                                8KB

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

                                Filesize

                                128KB

                              • memory/1504-18-0x00000000037C0000-0x00000000037C2000-memory.dmp

                                Filesize

                                8KB

                              • memory/1504-25-0x00000000037C0000-0x00000000037C2000-memory.dmp

                                Filesize

                                8KB

                              • memory/3124-39-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-69-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-11-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-9-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-8-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-21-0x0000000000640000-0x0000000000641000-memory.dmp

                                Filesize

                                4KB

                              • memory/3124-32-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-35-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-36-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-37-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-17-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-38-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-24-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/3124-6-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-31-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-30-0x0000000000630000-0x0000000000632000-memory.dmp

                                Filesize

                                8KB

                              • memory/3124-10-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-57-0x0000000000630000-0x0000000000632000-memory.dmp

                                Filesize

                                8KB

                              • memory/3124-59-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-60-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-61-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-64-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-65-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-68-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-26-0x0000000000630000-0x0000000000632000-memory.dmp

                                Filesize

                                8KB

                              • memory/3124-72-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-73-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-23-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3124-93-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/3124-22-0x0000000000860000-0x000000000191A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3504-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                Filesize

                                8KB

                              • memory/3504-53-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/3504-45-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/3504-132-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB