Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 02:01

General

  • Target

    f06e0e417bca037bfa2150451bb6a4e38aa9db104c29167c1f642dc2ca60abfc.exe

  • Size

    609KB

  • MD5

    13c524a80cfdf59bccb89263e2e9d758

  • SHA1

    e3af9dbc99aa7f61fc59426154dea92979c1a866

  • SHA256

    f06e0e417bca037bfa2150451bb6a4e38aa9db104c29167c1f642dc2ca60abfc

  • SHA512

    fb0b64802e4b358da21c3bf093291841e92405c477c34d30e4e8499ba0689cd660a0ab1786a0739b1aeb00c0c9fb03ea9ec05714bd069d93613f75631c81145f

  • SSDEEP

    12288:lIECok4/pwJ/FH8675mCildxWtx2+KopPcJUfWGYGBA:TCHzV8FldxWt6opPhNy

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

b3f4e62dbdd6721134cbcb95ba248e90

C2

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

  • Detect Vidar Stealer 14 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f06e0e417bca037bfa2150451bb6a4e38aa9db104c29167c1f642dc2ca60abfc.exe
    "C:\Users\Admin\AppData\Local\Temp\f06e0e417bca037bfa2150451bb6a4e38aa9db104c29167c1f642dc2ca60abfc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:336
    • C:\Users\Admin\AppData\Local\Temp\f06e0e417bca037bfa2150451bb6a4e38aa9db104c29167c1f642dc2ca60abfc.exe
      "C:\Users\Admin\AppData\Local\Temp\f06e0e417bca037bfa2150451bb6a4e38aa9db104c29167c1f642dc2ca60abfc.exe"
      2⤵
        PID:4084
      • C:\Users\Admin\AppData\Local\Temp\f06e0e417bca037bfa2150451bb6a4e38aa9db104c29167c1f642dc2ca60abfc.exe
        "C:\Users\Admin\AppData\Local\Temp\f06e0e417bca037bfa2150451bb6a4e38aa9db104c29167c1f642dc2ca60abfc.exe"
        2⤵
        • Checks computer location settings
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:760
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 336 -s 260
        2⤵
        • Program crash
        PID:772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 336 -ip 336
      1⤵
        PID:2624

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • memory/336-0-0x0000000000DAE000-0x0000000000DAF000-memory.dmp

        Filesize

        4KB

      • memory/760-22-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-31-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-12-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-14-0x0000000020080000-0x00000000202DF000-memory.dmp

        Filesize

        2.4MB

      • memory/760-21-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-6-0x0000000000D20000-0x0000000000DB4000-memory.dmp

        Filesize

        592KB

      • memory/760-30-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-11-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-47-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-48-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-1-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-70-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-71-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-78-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/760-79-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB