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Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    16/03/2024, 01:57

General

  • Target

    ccd29632beb558de4af374096999d00a.exe

  • Size

    512KB

  • MD5

    ccd29632beb558de4af374096999d00a

  • SHA1

    461df1b2dcd4c4e4714168aa0badec66cb938f21

  • SHA256

    da694c6618e5774ae282ec15f49b77424182202599c02de84db97a1f4d42cfe8

  • SHA512

    93d818d364af12d81e18f3ed08017f1ac5e7126765e1b982defd982291374107ee85f15b8adabec47263143de71cda39ba01edb19dbbae947b42d956314c9d83

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6N:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5q

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 5 IoCs
  • Loads dropped DLL 5 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 3 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 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 21 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ccd29632beb558de4af374096999d00a.exe
    "C:\Users\Admin\AppData\Local\Temp\ccd29632beb558de4af374096999d00a.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\kpmfpdlrin.exe
      kpmfpdlrin.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:1072
      • C:\Windows\SysWOW64\xsjplgoi.exe
        C:\Windows\system32\xsjplgoi.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:2488
    • C:\Windows\SysWOW64\ajuxvkwceawyvrg.exe
      ajuxvkwceawyvrg.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1740
    • C:\Windows\SysWOW64\xsjplgoi.exe
      xsjplgoi.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:2736
    • C:\Windows\SysWOW64\fbpqlnjqouqll.exe
      fbpqlnjqouqll.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2648
    • 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:2812
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      06d8ffb60cecaeadfb1c2b4852dc151e

      SHA1

      7973448a2cffda5d305b2d8a6c09250c32bca596

      SHA256

      9478faedb151278495366c89fd6b9fb8713d03f194d4604cc5ec1883682be087

      SHA512

      22489fbe432c9a7d8898e75560864f5bddbd766718338153399d8273c9880ae2aa2e59606e3940eaa3b5b401fabe14f292c02b9e9e6858f3665f0a8d6bc31188

    • C:\Windows\SysWOW64\ajuxvkwceawyvrg.exe

      Filesize

      512KB

      MD5

      b884a8e5c294062ab87a226bae036735

      SHA1

      c48ba00853cc1dad3cdeb8b370ebed27a4cc5f28

      SHA256

      724c5bcd956c5134359ba41b1e6a6337af59d37618c84c83a7b2feb0f5987df1

      SHA512

      dcffb4e3a89bc1b12b0da6494f2c685234a9d4cfedb2e29e6b4b84acc875c277643a2b4c233d9ff48497940a8421306623b247aabc6497bdbcf0a3c1590a0951

    • C:\Windows\SysWOW64\fbpqlnjqouqll.exe

      Filesize

      512KB

      MD5

      62742249494665181e2803a0f2b9735e

      SHA1

      1afde02e6e0b7b92870e53bd921739aa0ae9945a

      SHA256

      2eca1c065b46381a93334a69bd4b5c32ff83ce11df876409b441a8c6e82c08ad

      SHA512

      ee6216d83b146c401d34751a774165aebe213e83278cdb25a06c6ef1fdcabdf3371c62e6b6894094e9af08aa74140878c1f9d225edff513da44c43b6c2f85221

    • C:\Windows\SysWOW64\xsjplgoi.exe

      Filesize

      512KB

      MD5

      528224f154d85b85b09e70a7b73c8fb1

      SHA1

      81363129921c1cce18ed9f7613595746a66f79c7

      SHA256

      4cb8e3eb87fcd671bb135336099f6a8933569bc19e68cd675aa2caee9cec9776

      SHA512

      8057572549804b9a148f85c0fe5fb48f6e96ca9e657772ed688ee9c9dc296a8e70411a370e5e311c31cb6be54552a3320d11fd89a40a95ef0a9e10760451e2bd

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\kpmfpdlrin.exe

      Filesize

      512KB

      MD5

      d492cd111fbd1e286a12d5a4f37b7c4a

      SHA1

      3b6c55271a32f2714fd76f897d7984ec3512f017

      SHA256

      6a503e24c5455986c0b7d89557139bd1a99813e56d7715537769d35b9df51c94

      SHA512

      910026254b963461681e1197732c717719c5bcee664c6fe495fe2b4e2ccaddab25d0fd622653716b0ed6099a37bd55501fba653a0a9b2b823ed538d9ae0efe38

    • memory/1420-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

    • memory/2812-45-0x000000002F921000-0x000000002F922000-memory.dmp

      Filesize

      4KB

    • memory/2812-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2812-47-0x0000000070EAD000-0x0000000070EB8000-memory.dmp

      Filesize

      44KB

    • memory/2812-82-0x0000000070EAD000-0x0000000070EB8000-memory.dmp

      Filesize

      44KB

    • memory/2812-103-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB