Resubmissions

22-08-2024 18:43

240822-xc563asamh 10

21-08-2024 17:16

240821-vtjnaathnq 10

30-06-2024 00:59

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20-06-2024 02:02

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20-06-2024 01:44

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18-06-2024 20:40

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18-06-2024 13:45

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Analysis

  • max time kernel
    615s
  • max time network
    1587s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22-08-2024 18:43

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 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).

  • 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:4496
    • 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:5100
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HVHSU.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4420
        • C:\Windows\SysWOW64\chcp.com
          chcp 1251
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1340

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

    b74b25bb1f46f4e9c2a648e84071e100

    SHA1

    62c3c2137a5ff42f4b5109af175e93a464920ec7

    SHA256

    bbff1b6652ec3eea9e06393e07101ceefdd2c3607bcaf222d6962ed781641ffe

    SHA512

    fa2de9405cdf8289d9750be51aad123fafe4e297300ae7173129f2c754c70698d24768e391674e6c922a4bd19e489298f7f07c517707db05ec87a2b58ccc7a08

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

    Filesize

    309B

    MD5

    c11ad8c8c3c0820f31df8f9236c5ccb8

    SHA1

    20e1e103f47ccb8256641bde25976ba73e6c74c8

    SHA256

    e4d08180c5925ce759033ace13f539d2b920f91a7b588dc5e59f3a93e29b063e

    SHA512

    432a2a3f75f4b4ac83851a625e03aca06416104a5c9ef08fa3b6004b33c1ddb2ba65a35178100d99729bf530779acfd559442efc32ea4d3c2a0902b1d00b02eb

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

    Filesize

    370KB

    MD5

    a890e2f924dea3cb3e46a95431ffae39

    SHA1

    35719ee58a5771156bc956bcf1b5c54ac3391593

    SHA256

    c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a

    SHA512

    664fb8075712912be30185d17d912dae148e778627e852affe1b1080bb9c8d5917e7b3c1d194e62ac6919c16235754f776523ba7ce95af38be86b61cc3e3d162

  • memory/4496-5-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/5100-414-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/5100-946-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/5100-1311-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/5100-1942-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/5100-2197-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/5100-2251-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/5100-2252-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/5100-2261-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB