Analysis

  • max time kernel
    93s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2024 03:53

General

  • Target

    b4a04a1bf82bd3acb278fd1f1a3216686e465c574bc63a410192c40dec12e2d3N.exe

  • Size

    571KB

  • MD5

    04c2c7a717122dc38042383ec0012100

  • SHA1

    2a6791c8fa407043834e850e96a5b911fd0c4363

  • SHA256

    b4a04a1bf82bd3acb278fd1f1a3216686e465c574bc63a410192c40dec12e2d3

  • SHA512

    e23162c851cb99c37c7595accc8d2f9a7fbd5c08349b081f4d0d3035488ad41e9108c2f195ac58ace941f7d1c36f19f06219a31718dabbea6a7eaa8b14b804f1

  • SSDEEP

    12288:+Lg1ZnYljso4nhYWdMAhUe3kFKwWbdYGzIfP2d9jU4S:+wnYInOWKtehhZY8wqX

Malware Config

Extracted

Family

vidar

Botnet

c0c7c802c4ec94ab4c7fcd88c588698c

C2

https://t.me/maslengdsa

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 16 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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\b4a04a1bf82bd3acb278fd1f1a3216686e465c574bc63a410192c40dec12e2d3N.exe
    "C:\Users\Admin\AppData\Local\Temp\b4a04a1bf82bd3acb278fd1f1a3216686e465c574bc63a410192c40dec12e2d3N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:1396
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:400
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 260
        2⤵
        • Program crash
        PID:1292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2176 -ip 2176
      1⤵
        PID:4336

      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/400-8-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-44-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-7-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-83-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-10-0x0000000024830000-0x0000000024A8F000-memory.dmp

        Filesize

        2.4MB

      • memory/400-18-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-19-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-27-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-28-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-6-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-45-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-57-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-1-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-74-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-75-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/400-82-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2176-0-0x0000000000AED000-0x0000000000AEF000-memory.dmp

        Filesize

        8KB