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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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18-06-2024 13:45

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Analysis

  • max time kernel
    1518s
  • max time network
    1491s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21-08-2024 17:16

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
  • 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 63 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Control Panel 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 9 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⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2332
    • 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
      • System Location Discovery: System Language Discovery
      • Modifies Control Panel
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YRKAB.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2220
        • C:\Windows\SysWOW64\chcp.com
          chcp 1251
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Microsoft\ClickToRun\MachineData\Catalog\Packages\{9AC08E99-230B-47E8-9721-4577B7F124EA}\{1A8308C7-90D1-4200-B16E-646F163A08E8}\Manifest.xml

    Filesize

    3.4MB

    MD5

    be703178163e645852d26981ca37dd2b

    SHA1

    7deedc6624d02036aedf4dca6e465019380c3cc9

    SHA256

    f7b349d1eef71037e8e1b6097331c2fa605dc2cc7d0c40eb7271651830a5ac6d

    SHA512

    23516a8fbe9a5a489be92a6ec6888364371c70bfb07e11fddcd123b91f047bb5bdf5ece5ceaf8fe5e434ff350bee3f26115415bd7ba24bcfe506d9e8e9dd94b3

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

    Filesize

    309B

    MD5

    15b1d29dcd6e45c03306dc8f7d5d62c7

    SHA1

    c5c2f19d56ebcd6f3c252b23c7151856e4346f2d

    SHA256

    0a2edfbb3b55d6202a73968040d72373e5179510bd7715709e6006682659b3ab

    SHA512

    1ea969cf905f4fc0f22f9e9c902d102275381781c96ad0e4b7f0cf0a57f38b2d9b3139f49e9a37c8b48eead89be33a579dc238fd38a948dc017e6cee076457a8

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

    Filesize

    370KB

    MD5

    a890e2f924dea3cb3e46a95431ffae39

    SHA1

    35719ee58a5771156bc956bcf1b5c54ac3391593

    SHA256

    c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a

    SHA512

    664fb8075712912be30185d17d912dae148e778627e852affe1b1080bb9c8d5917e7b3c1d194e62ac6919c16235754f776523ba7ce95af38be86b61cc3e3d162

  • memory/2332-7-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2808-402-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2808-958-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2808-1323-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2808-1855-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2808-2025-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2808-2050-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2808-2059-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB