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Analysis

  • max time kernel
    94s
  • 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
    11/10/2024, 11:44

General

  • Target

    c27332944c3fcd30f2f9602851aaac35062ff4f098d455027374a4ba558cd908N.exe

  • Size

    598KB

  • MD5

    a5b15ec149a36acdc1bca8a69dce8d10

  • SHA1

    fa03fda33b5243667ac1acfc678ebce1e3017f4a

  • SHA256

    c27332944c3fcd30f2f9602851aaac35062ff4f098d455027374a4ba558cd908

  • SHA512

    f200ec8f913a3b566355591388914f3b7c19070d87eb3c02f5246ea1c2b323e32dc4f81aa40edd431b7a08148a18e08f6bab3554b9f946b5e5e714c78fdd3fa9

  • SSDEEP

    12288:bMiEES7ltqbtWmTzuD5cs9K2+dvC5gd5/HHMGl3KXo64fSETEO:bM/P7l4q1l9K2JePHg/Pmt

Malware Config

Extracted

Family

vidar

Botnet

5d5c21db908d8fe19952873f9f748174

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 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c27332944c3fcd30f2f9602851aaac35062ff4f098d455027374a4ba558cd908N.exe
    "C:\Users\Admin\AppData\Local\Temp\c27332944c3fcd30f2f9602851aaac35062ff4f098d455027374a4ba558cd908N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:536
    • 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:3260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 292
      2⤵
      • Program crash
      PID:3908
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 536 -ip 536
    1⤵
      PID:4664

    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/536-0-0x000000000022F000-0x0000000000231000-memory.dmp

      Filesize

      8KB

    • memory/3260-8-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-45-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-6-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-10-0x0000000022510000-0x000000002276F000-memory.dmp

      Filesize

      2.4MB

    • memory/3260-18-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-19-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-27-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-28-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-44-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-7-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-57-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-3-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-1-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-74-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-75-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-82-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3260-83-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB