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Analysis

  • max time kernel
    90s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 08:25

General

  • Target

    7fae69824ad72fb14531e265392862a9c709a26ca8b1c512b57a4e7e4ffb27a6.dll

  • Size

    120KB

  • MD5

    4c2d57c66fed8326773184f02bb28acb

  • SHA1

    66f1abc5a4c44d3db313fb925361f3bfa6a68991

  • SHA256

    7fae69824ad72fb14531e265392862a9c709a26ca8b1c512b57a4e7e4ffb27a6

  • SHA512

    c2ba7afa77bda3c322c6c184e53721f41d8e23bd0799a22d0484355c33eabf7d5ac0d5f07a87e474fd653736224d889aa02540c97b2a49c9f64962062679d5bd

  • SSDEEP

    1536:ClQVp4hnLydTzNm4F0atSl97dWMrnF3+YbSzp5Vp78WUJDUBEu:gI0nLYNm4FtmnoBNDGlJwEu

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 3 IoCs
  • UPX packed file 6 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 15 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:312
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:784
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:3356
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3432
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3264
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                1⤵
                  PID:2032
                • C:\Windows\Explorer.EXE
                  C:\Windows\Explorer.EXE
                  1⤵
                    PID:1076
                    • C:\Windows\system32\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fae69824ad72fb14531e265392862a9c709a26ca8b1c512b57a4e7e4ffb27a6.dll,#1
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:428
                      • C:\Windows\SysWOW64\rundll32.exe
                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fae69824ad72fb14531e265392862a9c709a26ca8b1c512b57a4e7e4ffb27a6.dll,#1
                        3⤵
                        • Suspicious use of WriteProcessMemory
                        PID:4560
                        • C:\Users\Admin\AppData\Local\Temp\e56c50a.exe
                          C:\Users\Admin\AppData\Local\Temp\e56c50a.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
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          • System policy modification
                          PID:3068
                        • C:\Users\Admin\AppData\Local\Temp\e56c808.exe
                          C:\Users\Admin\AppData\Local\Temp\e56c808.exe
                          4⤵
                          • Executes dropped EXE
                          PID:4980
                        • C:\Users\Admin\AppData\Local\Temp\e56dbde.exe
                          C:\Users\Admin\AppData\Local\Temp\e56dbde.exe
                          4⤵
                          • Executes dropped EXE
                          PID:1296
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4860
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3776
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:3516
                        • C:\Windows\system32\taskhostw.exe
                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                          1⤵
                            PID:2624
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                            1⤵
                              PID:2400
                            • C:\Windows\system32\sihost.exe
                              sihost.exe
                              1⤵
                                PID:2388

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\e56c50a.exe

                                Filesize

                                97KB

                                MD5

                                aa5d091df485ff233a18edc1e49f40f8

                                SHA1

                                19617ebae08c7106d9e8a7683d09e3d95be86a19

                                SHA256

                                77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

                                SHA512

                                20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

                              • C:\Users\Admin\AppData\Local\Temp\e56c50a.exe

                                Filesize

                                97KB

                                MD5

                                aa5d091df485ff233a18edc1e49f40f8

                                SHA1

                                19617ebae08c7106d9e8a7683d09e3d95be86a19

                                SHA256

                                77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

                                SHA512

                                20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

                              • C:\Users\Admin\AppData\Local\Temp\e56c808.exe

                                Filesize

                                97KB

                                MD5

                                aa5d091df485ff233a18edc1e49f40f8

                                SHA1

                                19617ebae08c7106d9e8a7683d09e3d95be86a19

                                SHA256

                                77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

                                SHA512

                                20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

                              • C:\Users\Admin\AppData\Local\Temp\e56c808.exe

                                Filesize

                                97KB

                                MD5

                                aa5d091df485ff233a18edc1e49f40f8

                                SHA1

                                19617ebae08c7106d9e8a7683d09e3d95be86a19

                                SHA256

                                77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

                                SHA512

                                20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

                              • C:\Users\Admin\AppData\Local\Temp\e56dbde.exe

                                Filesize

                                97KB

                                MD5

                                aa5d091df485ff233a18edc1e49f40f8

                                SHA1

                                19617ebae08c7106d9e8a7683d09e3d95be86a19

                                SHA256

                                77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

                                SHA512

                                20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

                              • C:\Users\Admin\AppData\Local\Temp\e56dbde.exe

                                Filesize

                                97KB

                                MD5

                                aa5d091df485ff233a18edc1e49f40f8

                                SHA1

                                19617ebae08c7106d9e8a7683d09e3d95be86a19

                                SHA256

                                77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

                                SHA512

                                20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

                              • memory/1296-153-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1296-152-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/1296-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/3068-140-0x0000000000790000-0x000000000184A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3068-138-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/3068-149-0x0000000000790000-0x000000000184A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3068-148-0x0000000000790000-0x000000000184A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3068-136-0x0000000000790000-0x000000000184A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/4560-137-0x0000000010000000-0x0000000010020000-memory.dmp

                                Filesize

                                128KB

                              • memory/4980-143-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/4980-150-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/4980-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB