Analysis

  • max time kernel
    152s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 19:04

General

  • Target

    eb971c33c76ce004d1d0738ab7f352b2aa597cc654eab817d711d9cba87d2180.exe

  • Size

    255KB

  • MD5

    62128f2fb4f8f996dc65ccd2f7b2da1b

  • SHA1

    8ac5fd2fb0473fb92b3e00887cefbd49fde6a468

  • SHA256

    eb971c33c76ce004d1d0738ab7f352b2aa597cc654eab817d711d9cba87d2180

  • SHA512

    98c73fc25078a84122470dcc91c450a090c998344fae2f5a75a9ea173fbf166f60f3885dbb4af024985ae1e3c4d500351d1d1150c39ce02a944501c600dc1ad8

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ2:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIV

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 6 IoCs
  • UPX packed file 33 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 13 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 21 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb971c33c76ce004d1d0738ab7f352b2aa597cc654eab817d711d9cba87d2180.exe
    "C:\Users\Admin\AppData\Local\Temp\eb971c33c76ce004d1d0738ab7f352b2aa597cc654eab817d711d9cba87d2180.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\Windows\SysWOW64\kncperpgia.exe
      kncperpgia.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1192
      • C:\Windows\SysWOW64\neezoiwy.exe
        C:\Windows\system32\neezoiwy.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1764
    • C:\Windows\SysWOW64\aqcsuouiotbjcbs.exe
      aqcsuouiotbjcbs.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1336
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c pejrgcuufeinr.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1900
        • C:\Windows\SysWOW64\pejrgcuufeinr.exe
          pejrgcuufeinr.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1020
    • C:\Windows\SysWOW64\neezoiwy.exe
      neezoiwy.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1268
    • C:\Windows\SysWOW64\pejrgcuufeinr.exe
      pejrgcuufeinr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1096
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:320
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1692

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe

            Filesize

            255KB

            MD5

            62e15897494849ddaaa8c03243d696dc

            SHA1

            ac26e102254630e494a9801cd31a4c1d8627dde4

            SHA256

            f1cd19fda80d53756b858bd67e0d6c23a84d301a0acdfc4769e28df431323db9

            SHA512

            e9509c74367bc6ae02b20be1035cda996cf5447ebf55a96c4ff89dd7ad8b8d5495990cc4f01832b5e3335dcc73cbaf53ec2fdcaca187c7f2bcc82db52906c325

          • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

            Filesize

            255KB

            MD5

            92b5d74ba65a81f8d050f8dbbe6aa50a

            SHA1

            afc87c8ef8a5c359505b01df46d869ebcac247ae

            SHA256

            877063264e1629da3c2a3e09c124afb3754fbd0403a9145a8036ccc8771e8f43

            SHA512

            539df9a5bf3c9f9e9f9fe2dd7e3c34e2f743da666c488d4f2c5b55af5c1af3a1ac521048ae80dc678f21d52b4ee0e2732e87b058647a5e52ced873c98a4c8f6f

          • C:\Windows\SysWOW64\aqcsuouiotbjcbs.exe

            Filesize

            255KB

            MD5

            b16e1f1bb7f89cae0116b6a4b7a8e2a4

            SHA1

            f0cdff93849f70ee9753071c100c37c72a1b1b86

            SHA256

            ac393ed4b8bde2ed144677424b89563e42b7d8c9e872d9ff878c411a66c10b0d

            SHA512

            dbabfed0ac0181067fc55ae7b44ee8768ae8f8664af44b5ab35d5757c2da24694279cf9f219f40ea7857b292c49400ea842c97242c27c9495856806742df913f

          • C:\Windows\SysWOW64\aqcsuouiotbjcbs.exe

            Filesize

            255KB

            MD5

            b16e1f1bb7f89cae0116b6a4b7a8e2a4

            SHA1

            f0cdff93849f70ee9753071c100c37c72a1b1b86

            SHA256

            ac393ed4b8bde2ed144677424b89563e42b7d8c9e872d9ff878c411a66c10b0d

            SHA512

            dbabfed0ac0181067fc55ae7b44ee8768ae8f8664af44b5ab35d5757c2da24694279cf9f219f40ea7857b292c49400ea842c97242c27c9495856806742df913f

          • C:\Windows\SysWOW64\kncperpgia.exe

            Filesize

            255KB

            MD5

            89dc2edbd591acf54b2db9382ff37611

            SHA1

            06ca69d871f45e093a54cd27d0f0ccbd4e390cbf

            SHA256

            6365889bfb8fc0d66824d567aab8dc2799bf5f5a8c955cb9609f3199bfa82cfd

            SHA512

            58dcfc48c41937fcc9d1c8ca17785fc5dba9d15c12cd43fb120138ffa6546abbd77bc383a0d17a080e8fe566af56f897de6ee3108d0a451740fb53f866961227

          • C:\Windows\SysWOW64\kncperpgia.exe

            Filesize

            255KB

            MD5

            89dc2edbd591acf54b2db9382ff37611

            SHA1

            06ca69d871f45e093a54cd27d0f0ccbd4e390cbf

            SHA256

            6365889bfb8fc0d66824d567aab8dc2799bf5f5a8c955cb9609f3199bfa82cfd

            SHA512

            58dcfc48c41937fcc9d1c8ca17785fc5dba9d15c12cd43fb120138ffa6546abbd77bc383a0d17a080e8fe566af56f897de6ee3108d0a451740fb53f866961227

          • C:\Windows\SysWOW64\neezoiwy.exe

            Filesize

            255KB

            MD5

            95a66b88e4111b679aa684357fb6167e

            SHA1

            6a80e9db8eecd631b49327a939fc8b8d4dcf4c47

            SHA256

            0d94fe8315f621b3d00a318934638a313949035a3d7e7900592c3dbf509b6ba6

            SHA512

            324ccdc7790df726adf0245e277243f8f906eb8dd6b46e2321862b62261e0586372b74da8ca966802ac220254c770f1b6f8e323abff23d6556c8c062669b1dd5

          • C:\Windows\SysWOW64\neezoiwy.exe

            Filesize

            255KB

            MD5

            95a66b88e4111b679aa684357fb6167e

            SHA1

            6a80e9db8eecd631b49327a939fc8b8d4dcf4c47

            SHA256

            0d94fe8315f621b3d00a318934638a313949035a3d7e7900592c3dbf509b6ba6

            SHA512

            324ccdc7790df726adf0245e277243f8f906eb8dd6b46e2321862b62261e0586372b74da8ca966802ac220254c770f1b6f8e323abff23d6556c8c062669b1dd5

          • C:\Windows\SysWOW64\neezoiwy.exe

            Filesize

            255KB

            MD5

            95a66b88e4111b679aa684357fb6167e

            SHA1

            6a80e9db8eecd631b49327a939fc8b8d4dcf4c47

            SHA256

            0d94fe8315f621b3d00a318934638a313949035a3d7e7900592c3dbf509b6ba6

            SHA512

            324ccdc7790df726adf0245e277243f8f906eb8dd6b46e2321862b62261e0586372b74da8ca966802ac220254c770f1b6f8e323abff23d6556c8c062669b1dd5

          • C:\Windows\SysWOW64\pejrgcuufeinr.exe

            Filesize

            255KB

            MD5

            82908bf53b9424d1989a2d437e1f7609

            SHA1

            2dd5f82397490547dfecd00e52f6818538e9850a

            SHA256

            c7bb3b1de63b6a5bda5e3259bb079795cf853435ef791a4a5723799b3cc76b36

            SHA512

            8c21ec9c952454b0b7dc767d2162e154091c4c0445b282b3ff076a5d28ca988c4e3605d045add3cf3ebeb1033c0ac4b2ff1b71439449bc872131657325ae487d

          • C:\Windows\SysWOW64\pejrgcuufeinr.exe

            Filesize

            255KB

            MD5

            82908bf53b9424d1989a2d437e1f7609

            SHA1

            2dd5f82397490547dfecd00e52f6818538e9850a

            SHA256

            c7bb3b1de63b6a5bda5e3259bb079795cf853435ef791a4a5723799b3cc76b36

            SHA512

            8c21ec9c952454b0b7dc767d2162e154091c4c0445b282b3ff076a5d28ca988c4e3605d045add3cf3ebeb1033c0ac4b2ff1b71439449bc872131657325ae487d

          • C:\Windows\SysWOW64\pejrgcuufeinr.exe

            Filesize

            255KB

            MD5

            82908bf53b9424d1989a2d437e1f7609

            SHA1

            2dd5f82397490547dfecd00e52f6818538e9850a

            SHA256

            c7bb3b1de63b6a5bda5e3259bb079795cf853435ef791a4a5723799b3cc76b36

            SHA512

            8c21ec9c952454b0b7dc767d2162e154091c4c0445b282b3ff076a5d28ca988c4e3605d045add3cf3ebeb1033c0ac4b2ff1b71439449bc872131657325ae487d

          • C:\Windows\mydoc.rtf

            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

          • \??\c:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe

            Filesize

            255KB

            MD5

            62e15897494849ddaaa8c03243d696dc

            SHA1

            ac26e102254630e494a9801cd31a4c1d8627dde4

            SHA256

            f1cd19fda80d53756b858bd67e0d6c23a84d301a0acdfc4769e28df431323db9

            SHA512

            e9509c74367bc6ae02b20be1035cda996cf5447ebf55a96c4ff89dd7ad8b8d5495990cc4f01832b5e3335dcc73cbaf53ec2fdcaca187c7f2bcc82db52906c325

          • \Windows\SysWOW64\aqcsuouiotbjcbs.exe

            Filesize

            255KB

            MD5

            b16e1f1bb7f89cae0116b6a4b7a8e2a4

            SHA1

            f0cdff93849f70ee9753071c100c37c72a1b1b86

            SHA256

            ac393ed4b8bde2ed144677424b89563e42b7d8c9e872d9ff878c411a66c10b0d

            SHA512

            dbabfed0ac0181067fc55ae7b44ee8768ae8f8664af44b5ab35d5757c2da24694279cf9f219f40ea7857b292c49400ea842c97242c27c9495856806742df913f

          • \Windows\SysWOW64\kncperpgia.exe

            Filesize

            255KB

            MD5

            89dc2edbd591acf54b2db9382ff37611

            SHA1

            06ca69d871f45e093a54cd27d0f0ccbd4e390cbf

            SHA256

            6365889bfb8fc0d66824d567aab8dc2799bf5f5a8c955cb9609f3199bfa82cfd

            SHA512

            58dcfc48c41937fcc9d1c8ca17785fc5dba9d15c12cd43fb120138ffa6546abbd77bc383a0d17a080e8fe566af56f897de6ee3108d0a451740fb53f866961227

          • \Windows\SysWOW64\neezoiwy.exe

            Filesize

            255KB

            MD5

            95a66b88e4111b679aa684357fb6167e

            SHA1

            6a80e9db8eecd631b49327a939fc8b8d4dcf4c47

            SHA256

            0d94fe8315f621b3d00a318934638a313949035a3d7e7900592c3dbf509b6ba6

            SHA512

            324ccdc7790df726adf0245e277243f8f906eb8dd6b46e2321862b62261e0586372b74da8ca966802ac220254c770f1b6f8e323abff23d6556c8c062669b1dd5

          • \Windows\SysWOW64\neezoiwy.exe

            Filesize

            255KB

            MD5

            95a66b88e4111b679aa684357fb6167e

            SHA1

            6a80e9db8eecd631b49327a939fc8b8d4dcf4c47

            SHA256

            0d94fe8315f621b3d00a318934638a313949035a3d7e7900592c3dbf509b6ba6

            SHA512

            324ccdc7790df726adf0245e277243f8f906eb8dd6b46e2321862b62261e0586372b74da8ca966802ac220254c770f1b6f8e323abff23d6556c8c062669b1dd5

          • \Windows\SysWOW64\pejrgcuufeinr.exe

            Filesize

            255KB

            MD5

            82908bf53b9424d1989a2d437e1f7609

            SHA1

            2dd5f82397490547dfecd00e52f6818538e9850a

            SHA256

            c7bb3b1de63b6a5bda5e3259bb079795cf853435ef791a4a5723799b3cc76b36

            SHA512

            8c21ec9c952454b0b7dc767d2162e154091c4c0445b282b3ff076a5d28ca988c4e3605d045add3cf3ebeb1033c0ac4b2ff1b71439449bc872131657325ae487d

          • \Windows\SysWOW64\pejrgcuufeinr.exe

            Filesize

            255KB

            MD5

            82908bf53b9424d1989a2d437e1f7609

            SHA1

            2dd5f82397490547dfecd00e52f6818538e9850a

            SHA256

            c7bb3b1de63b6a5bda5e3259bb079795cf853435ef791a4a5723799b3cc76b36

            SHA512

            8c21ec9c952454b0b7dc767d2162e154091c4c0445b282b3ff076a5d28ca988c4e3605d045add3cf3ebeb1033c0ac4b2ff1b71439449bc872131657325ae487d

          • memory/320-99-0x000000007197D000-0x0000000071988000-memory.dmp

            Filesize

            44KB

          • memory/320-114-0x000000007197D000-0x0000000071988000-memory.dmp

            Filesize

            44KB

          • memory/320-113-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/320-97-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/320-96-0x0000000070991000-0x0000000070993000-memory.dmp

            Filesize

            8KB

          • memory/320-95-0x0000000072F11000-0x0000000072F14000-memory.dmp

            Filesize

            12KB

          • memory/320-107-0x000000007197D000-0x0000000071988000-memory.dmp

            Filesize

            44KB

          • memory/1020-90-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1020-105-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1096-89-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1096-104-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1192-101-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1192-91-0x0000000003C90000-0x0000000003D30000-memory.dmp

            Filesize

            640KB

          • memory/1192-86-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1268-88-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1268-103-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1336-102-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1336-87-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1692-112-0x000007FEFC421000-0x000007FEFC423000-memory.dmp

            Filesize

            8KB

          • memory/1764-92-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1764-106-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1780-55-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1780-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

            Filesize

            8KB

          • memory/1780-85-0x0000000002230000-0x00000000022D0000-memory.dmp

            Filesize

            640KB

          • memory/1780-94-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB