General

  • Target
    Syron_v2.4.1.zip
  • Size 12.2MB
  • Sample260803-1ll2bscm41
  • SHA256 41ecbccb622e537b2c12ba7263a14272f3c4c39db951fd7f9ec56e7a02cdcb8b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • overlord

C2
  • https://raw.githubusercontent.com/krampusexploits-code/gehirn/refs/heads/main/overlord

Targets

    • Target
      Microsoft.Web.WebView2.Core.dll
    • Size 533KB
    • SHA256 c886c3003f208d64839ec3c77c3889ef98a0344439e18aa613e7b199bd04bb2d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Microsoft.Web.WebView2.WinForms.dll
    • Size 39KB
    • SHA256 ccaf1f9ed1313a7218dd456114a2914f5b0b514b8c00ba90f14e6a7927930c35
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Microsoft.Web.WebView2.Wpf.dll
    • Size 46KB
    • SHA256 5eaaded54cd8f8f08f8f9aa09f6dbb2cd8f76753abbd6524b23aa1d0f52f7d16
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Syron.exe
    • Size 13.7MB
    • SHA256 10ee24f921e3c12fd63bcc4101af3dd4406868de773e95b17a1b05110fe1af1e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Overlord RAT

    • Family: Overlord

      Overlord is an open-source Windows RAT written in Golang.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Target
      WebView2Loader.dll
    • Size 114KB
    • SHA256 9915bfd98e275a5147de65029e0a4f070f684e2b58925ce91fa9d26bb6a609b5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      runtimes/win-x86/native/WebView2Loader.dll
    • Size 114KB
    • SHA256 9915bfd98e275a5147de65029e0a4f070f684e2b58925ce91fa9d26bb6a609b5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks