Analysis

  • max time kernel
    142s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 04:03

General

  • Target
    file.exe
  • Size 9.3MB
  • Sample240811-emcndsyblc
  • SHA256 e603e36cae3f0fa9badbeaeff8fb0becb1ed444776892db76cd8d219e2ba92bd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

C2
  • https://steamcommunity.com/profiles/76561199751190313

  • https://t.me/pech0nk

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Signatures

  • Detect Vidar Stealer 5 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3772
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2536
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:1524
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1060
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GDBFHDHJKKJD" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2252
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:228
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4372,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=3696 /prefetch:8
        1⤵
          PID:4920
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=3384,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=3224 /prefetch:3
          1⤵
            PID:2352

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                SCT Auditing Pending Reports

                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
                • Size 2B
                • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                • MD5 SHA1 SHA512

                Sdch Dictionaries

                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
                • Size 40B
                • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                • MD5 SHA1 SHA512

                memory/1060-69-0x0000000000400000-0x0000000000B44000-memory.dmp

                memory/1060-161-0x0000000000400000-0x0000000000B44000-memory.dmp

                memory/1060-77-0x0000000000400000-0x0000000000B44000-memory.dmp

                memory/1060-72-0x0000000000400000-0x0000000000B44000-memory.dmp

                memory/1060-67-0x0000000000400000-0x0000000000B44000-memory.dmp

                memory/3772-50-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-42-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-64-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-66-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-71-0x0000000074B70000-0x0000000075320000-memory.dmp

                memory/3772-7-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-6-0x00000000050D0000-0x00000000050EC000-memory.dmp

                memory/3772-62-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-60-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-58-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-5-0x0000000008790000-0x000000000882C000-memory.dmp

                memory/3772-73-0x0000000074B70000-0x0000000075320000-memory.dmp

                memory/3772-56-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-54-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-52-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-0-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

                memory/3772-48-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-46-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-44-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-20-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-40-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-38-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-34-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-32-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-30-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-28-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-27-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-24-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-23-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-18-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-16-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-14-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-12-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-10-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-8-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-36-0x00000000050D0000-0x00000000050E5000-memory.dmp

                memory/3772-4-0x0000000008160000-0x0000000008796000-memory.dmp

                memory/3772-3-0x00000000068C0000-0x0000000006F10000-memory.dmp

                memory/3772-2-0x0000000074B70000-0x0000000075320000-memory.dmp

                memory/3772-1-0x0000000000440000-0x0000000000D9C000-memory.dmp