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22-08-2024 18:43

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21-08-2024 17:16

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30-06-2024 00:59

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20-06-2024 02:02

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240620-b5v1xawemk 10

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18-06-2024 20:40

240618-zfwsxawdpa 10

18-06-2024 13:45

240618-q2vcjawdle 10

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 20:40

General

  • Target

    Documents/Ransomware.Vipasana/Ransomware.Vipasana/c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a.exe

  • Size

    370KB

  • MD5

    a890e2f924dea3cb3e46a95431ffae39

  • SHA1

    35719ee58a5771156bc956bcf1b5c54ac3391593

  • SHA256

    c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a

  • SHA512

    664fb8075712912be30185d17d912dae148e778627e852affe1b1080bb9c8d5917e7b3c1d194e62ac6919c16235754f776523ba7ce95af38be86b61cc3e3d162

  • SSDEEP

    6144:KRzMgpY8bXFHW1FbwwEHidUoagoW2C9cuqBGI4Zq6mYN8+G5l9PAzJdVeO2Ui:sDRbXFHW1+K2UWBGIymYG+i9A+ONi

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 64 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Documents\Ransomware.Vipasana\Ransomware.Vipasana\c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a.exe
    "C:\Users\Admin\AppData\Local\Temp\Documents\Ransomware.Vipasana\Ransomware.Vipasana\c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Users\Admin\AppData\Local\Temp\c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a.exe
      "C:\Users\Admin\AppData\Local\Temp\c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • Sets desktop wallpaper using registry
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies Control Panel
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\JHPRY.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2840
        • C:\Windows\SysWOW64\chcp.com
          chcp 1251
          4⤵
            PID:2612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\JHPRY.bat

      Filesize

      309B

      MD5

      2e56ea2b838072a74246ba6d78905a3c

      SHA1

      b8034a5e60e8bd63cf9448fbe818e92810ec5357

      SHA256

      5923c1ee14b0cdd5edca0b649d7d0800c16d778957c337ff3a809af9a6267b5c

      SHA512

      2df5430f279dd29d5ada190e8ed8b6198b82c74ee643b12d46fc955058e17b03711d51c788138ff4007b23011e3a654a6963c654059aa3135f9f93c40f5007a1

    • \Users\Admin\AppData\Local\Temp\c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a.exe

      Filesize

      370KB

      MD5

      a890e2f924dea3cb3e46a95431ffae39

      SHA1

      35719ee58a5771156bc956bcf1b5c54ac3391593

      SHA256

      c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a

      SHA512

      664fb8075712912be30185d17d912dae148e778627e852affe1b1080bb9c8d5917e7b3c1d194e62ac6919c16235754f776523ba7ce95af38be86b61cc3e3d162

    • memory/2032-518-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2032-1428-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2032-1709-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2032-1809-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2032-1824-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2084-9-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB