Analysis

  • max time kernel
    115s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 22:41

General

  • Target

    7f211f8b4a085511e585652eb54771b81382316da9bb7e111781e174dfd4928d.dll

  • Size

    460KB

  • MD5

    68a1ef9c40147a51507a1114a9006c89

  • SHA1

    6e5d7210b4547c66bf0d105f301ca46f34f3009f

  • SHA256

    7f211f8b4a085511e585652eb54771b81382316da9bb7e111781e174dfd4928d

  • SHA512

    f0025b92cd61d8f8703503058d59ae5a6157a89565e710b02f5291efd2788f2fdc10aa43bd32ce6c2124dae7ba46532a34e442d733121de9938ba59146ef79c7

  • SSDEEP

    6144://gxI5p8RC6JL0OFLm1I7AV4COHEQeewQeelQeesQeeudQeefQeeZKwQBIoqhvJ8:AxI5QLM1aw4CIoqhKW6RIDUWKg/M

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 43 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7f211f8b4a085511e585652eb54771b81382316da9bb7e111781e174dfd4928d.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\7f211f8b4a085511e585652eb54771b81382316da9bb7e111781e174dfd4928d.dll
      2⤵
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2408
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:1288
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:404
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1284
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 208
                6⤵
                • Program crash
                PID:4980
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4996
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4996 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2976
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4892
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4892 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1284 -ip 1284
      1⤵
        PID:3140

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\Microsoft\WaterMark.exe

              Filesize

              119KB

              MD5

              9d5d609dc8e2554054733d19eed45c5c

              SHA1

              ce72453fca9f477940a9def32bd8463549c6e1e4

              SHA256

              7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

              SHA512

              012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

            • C:\Program Files (x86)\Microsoft\WaterMark.exe

              Filesize

              119KB

              MD5

              9d5d609dc8e2554054733d19eed45c5c

              SHA1

              ce72453fca9f477940a9def32bd8463549c6e1e4

              SHA256

              7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

              SHA512

              012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              Filesize

              471B

              MD5

              957d711ef13aae49d723c4d2b1d4fa37

              SHA1

              aa818a5cfb5ce97987c05c8f20866cbbafb4bf93

              SHA256

              43184ac9a857febd19b97a04797528a7de0c15744ae3d540e23cc4b5f1d2641b

              SHA512

              f5c8fb180bba40d0755c909349bb960be5b8242de651237b9c2368d74accbf845f3cad131ff9b80f71745353dd11b53ddda7fd5cb928a2f543be217b9e975030

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              Filesize

              434B

              MD5

              fcae1499913f8599d7dd1c33ea564265

              SHA1

              5e6ab1f7f8a0381dd91991bc0857acfd7fa926a5

              SHA256

              e3eaa32063dafada8162234c38203e711deb8d8c7aed964fe68f25b3cbaba34c

              SHA512

              ac1c8e5379691b786dfc6069dadfa0b7e0def44166bbddd6d5bc0cef2dd1ae8f3262771a7ecc072d3cc103964d5c104013e6353475adcf0bef6cc09136f2f95f

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7561AC0E-4A14-11ED-A0EE-CA180515AB83}.dat

              Filesize

              5KB

              MD5

              a3440e6b01cb16291959b3cf28eb634b

              SHA1

              174ec34794eb25cfdcf615b0289dbb7421bec338

              SHA256

              158e51ff39ce7633ecf178f2fec5b5a5a00885b1042d9f2144345381f2fbe3ed

              SHA512

              650cfdde156121f994ce5ad12eb397b8d274038c1a1b3bf0bd5f960467bce66d287435c1285f843ebf7c60c76b71e8dac903ba8bf860d226db47b850ed7babe7

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7566700B-4A14-11ED-A0EE-CA180515AB83}.dat

              Filesize

              5KB

              MD5

              34e24de48874b59164248dcf982498b7

              SHA1

              de42a291d6d990232757abbb58454f8839e266be

              SHA256

              8c0dde98e5009df1bdea78c858c1588ea1867d606d527d7952e125b25a75f438

              SHA512

              b16984f8a131fa5be4f4b1cfb1e91811367623b838eae24364968a97dd791e39b95a2966de1d648e51665888c065ac008119fe5f03d4e6b4e554275bee8d1a34

            • C:\Windows\SysWOW64\regsvr32mgr.exe

              Filesize

              119KB

              MD5

              9d5d609dc8e2554054733d19eed45c5c

              SHA1

              ce72453fca9f477940a9def32bd8463549c6e1e4

              SHA256

              7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

              SHA512

              012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

            • C:\Windows\SysWOW64\regsvr32mgr.exe

              Filesize

              119KB

              MD5

              9d5d609dc8e2554054733d19eed45c5c

              SHA1

              ce72453fca9f477940a9def32bd8463549c6e1e4

              SHA256

              7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

              SHA512

              012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

            • memory/404-160-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/404-163-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/404-155-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/404-159-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/404-147-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/404-158-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/404-153-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/404-154-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/1288-148-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/1288-146-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/1288-145-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/1288-144-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/1288-139-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/1288-138-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/2408-143-0x0000000007430000-0x00000000074A3000-memory.dmp

              Filesize

              460KB