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Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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.

  • Loads dropped DLL 6 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1208
      • C:\Windows\system32\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fae69824ad72fb14531e265392862a9c709a26ca8b1c512b57a4e7e4ffb27a6.dll,#1
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2016
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fae69824ad72fb14531e265392862a9c709a26ca8b1c512b57a4e7e4ffb27a6.dll,#1
          3⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1308
          • C:\Users\Admin\AppData\Local\Temp\6bfb02.exe
            C:\Users\Admin\AppData\Local\Temp\6bfb02.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:1284
          • C:\Users\Admin\AppData\Local\Temp\6bfc98.exe
            C:\Users\Admin\AppData\Local\Temp\6bfc98.exe
            4⤵
            • Executes dropped EXE
            PID:976
          • C:\Users\Admin\AppData\Local\Temp\6c1ded.exe
            C:\Users\Admin\AppData\Local\Temp\6c1ded.exe
            4⤵
            • Executes dropped EXE
            PID:560
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1092

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\6bfb02.exe

          Filesize

          97KB

          MD5

          aa5d091df485ff233a18edc1e49f40f8

          SHA1

          19617ebae08c7106d9e8a7683d09e3d95be86a19

          SHA256

          77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

          SHA512

          20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

        • C:\Users\Admin\AppData\Local\Temp\6bfc98.exe

          Filesize

          97KB

          MD5

          aa5d091df485ff233a18edc1e49f40f8

          SHA1

          19617ebae08c7106d9e8a7683d09e3d95be86a19

          SHA256

          77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

          SHA512

          20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

        • C:\Users\Admin\AppData\Local\Temp\6c1ded.exe

          Filesize

          97KB

          MD5

          aa5d091df485ff233a18edc1e49f40f8

          SHA1

          19617ebae08c7106d9e8a7683d09e3d95be86a19

          SHA256

          77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

          SHA512

          20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

        • \Users\Admin\AppData\Local\Temp\6bfb02.exe

          Filesize

          97KB

          MD5

          aa5d091df485ff233a18edc1e49f40f8

          SHA1

          19617ebae08c7106d9e8a7683d09e3d95be86a19

          SHA256

          77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

          SHA512

          20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

        • \Users\Admin\AppData\Local\Temp\6bfb02.exe

          Filesize

          97KB

          MD5

          aa5d091df485ff233a18edc1e49f40f8

          SHA1

          19617ebae08c7106d9e8a7683d09e3d95be86a19

          SHA256

          77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

          SHA512

          20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

        • \Users\Admin\AppData\Local\Temp\6bfc98.exe

          Filesize

          97KB

          MD5

          aa5d091df485ff233a18edc1e49f40f8

          SHA1

          19617ebae08c7106d9e8a7683d09e3d95be86a19

          SHA256

          77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

          SHA512

          20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

        • \Users\Admin\AppData\Local\Temp\6bfc98.exe

          Filesize

          97KB

          MD5

          aa5d091df485ff233a18edc1e49f40f8

          SHA1

          19617ebae08c7106d9e8a7683d09e3d95be86a19

          SHA256

          77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

          SHA512

          20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

        • \Users\Admin\AppData\Local\Temp\6c1ded.exe

          Filesize

          97KB

          MD5

          aa5d091df485ff233a18edc1e49f40f8

          SHA1

          19617ebae08c7106d9e8a7683d09e3d95be86a19

          SHA256

          77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

          SHA512

          20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

        • \Users\Admin\AppData\Local\Temp\6c1ded.exe

          Filesize

          97KB

          MD5

          aa5d091df485ff233a18edc1e49f40f8

          SHA1

          19617ebae08c7106d9e8a7683d09e3d95be86a19

          SHA256

          77c1f423454cae7562d74728227d91b9edb4133fc8e55eb957aeb3a4a2bb06f1

          SHA512

          20b80d7919304f1e12b19a01d2d1a497b30e47492790df727fbcbaf7281eb10871c0dba8f22613ecbb196db88b7eb378f92890968af0d215d87d6ffc36736b7e

        • memory/560-79-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/560-91-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/560-90-0x0000000000910000-0x00000000019CA000-memory.dmp

          Filesize

          16.7MB

        • memory/560-82-0x00000000003E0000-0x00000000003E2000-memory.dmp

          Filesize

          8KB

        • memory/976-88-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/976-87-0x0000000000A00000-0x0000000001ABA000-memory.dmp

          Filesize

          16.7MB

        • memory/976-81-0x0000000000260000-0x0000000000262000-memory.dmp

          Filesize

          8KB

        • memory/976-73-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/1284-83-0x0000000000640000-0x00000000016FA000-memory.dmp

          Filesize

          16.7MB

        • memory/1284-84-0x00000000003D0000-0x00000000003D2000-memory.dmp

          Filesize

          8KB

        • memory/1284-74-0x00000000003D0000-0x00000000003D2000-memory.dmp

          Filesize

          8KB

        • memory/1284-69-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/1284-85-0x0000000000640000-0x00000000016FA000-memory.dmp

          Filesize

          16.7MB

        • memory/1284-61-0x0000000000640000-0x00000000016FA000-memory.dmp

          Filesize

          16.7MB

        • memory/1284-80-0x0000000001780000-0x0000000001782000-memory.dmp

          Filesize

          8KB

        • memory/1284-70-0x0000000000640000-0x00000000016FA000-memory.dmp

          Filesize

          16.7MB

        • memory/1308-71-0x00000000002B0000-0x00000000002B2000-memory.dmp

          Filesize

          8KB

        • memory/1308-72-0x0000000000350000-0x0000000000362000-memory.dmp

          Filesize

          72KB

        • memory/1308-68-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/1308-55-0x0000000075661000-0x0000000075663000-memory.dmp

          Filesize

          8KB

        • memory/1308-67-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/1308-66-0x0000000010000000-0x0000000010020000-memory.dmp

          Filesize

          128KB