Analysis

  • max time kernel
    74s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2024 07:41

General

  • Target

    0e8129471c62d891e5fcd737d6c86f60ea3aa9dad536eaa6899c124fd2913960.exe

  • Size

    291KB

  • MD5

    157f9789cf20e699a100419fd42c9372

  • SHA1

    5f6ae38f22239a7df96cac67c486b96aa865e03d

  • SHA256

    0e8129471c62d891e5fcd737d6c86f60ea3aa9dad536eaa6899c124fd2913960

  • SHA512

    fdd6816d42fba3bdf15fe76122923fc67fdfecad9c77b43f7c76c0f85232857074b11550634163b12e6e7d051dcb7c5c668e63b331b33690f75595c5add26a77

  • SSDEEP

    3072:ABjvY9ERHtvTHgT3HrLhq4c55Beu+1NLL/5LSeEviYB+bfDKUEQDE+sdiPslWEZT:CvYORTHoI4+mh/avxYLaQEZXQyS

Malware Config

Signatures

  • Detect Vidar Stealer 5 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Deletes itself 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e8129471c62d891e5fcd737d6c86f60ea3aa9dad536eaa6899c124fd2913960.exe
    "C:\Users\Admin\AppData\Local\Temp\0e8129471c62d891e5fcd737d6c86f60ea3aa9dad536eaa6899c124fd2913960.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\0e8129471c62d891e5fcd737d6c86f60ea3aa9dad536eaa6899c124fd2913960.exe" & rd /s /q "C:\ProgramData\NGDT0R9H4EU3" & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:624
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 10
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabA43D.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarA4CC.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1736-0-0x0000000000320000-0x000000000034B000-memory.dmp

    Filesize

    172KB

  • memory/1736-1-0x0000000000350000-0x0000000000376000-memory.dmp

    Filesize

    152KB

  • memory/1736-2-0x0000000000400000-0x0000000000639000-memory.dmp

    Filesize

    2.2MB

  • memory/1736-146-0x0000000000320000-0x000000000034B000-memory.dmp

    Filesize

    172KB

  • memory/1736-184-0x0000000000350000-0x0000000000376000-memory.dmp

    Filesize

    152KB

  • memory/1736-183-0x0000000000400000-0x0000000000639000-memory.dmp

    Filesize

    2.2MB

  • memory/1736-204-0x0000000000400000-0x0000000000639000-memory.dmp

    Filesize

    2.2MB