General

  • Target

    https://cdn.discordapp.com/attachments/778517571808919565/1243615426152235119/Cobra_loader.rar?ex=66521e9e&is=6650cd1e&hm=8b1bc83aed9bd36d7d476586142ac81c48bb6dccaa2e2ad9de6d55873858cf49&

  • Sample

    240524-ygqslsgh2x

Malware Config

Targets

    • Target

      https://cdn.discordapp.com/attachments/778517571808919565/1243615426152235119/Cobra_loader.rar?ex=66521e9e&is=6650cd1e&hm=8b1bc83aed9bd36d7d476586142ac81c48bb6dccaa2e2ad9de6d55873858cf49&

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks