General

  • Target

    Start.exe

  • Size

    37.7MB

  • Sample

    240920-l9ql4a1dng

  • MD5

    a226c4a3b3f80861f9f91990ba69e6c5

  • SHA1

    7d611dbf0e4305506e4fbebd50f585b41f26227b

  • SHA256

    4ceac8889d18635deb9bd445cc15411af192f959186242e6d3e82c5326ae53fc

  • SHA512

    c24621327aa8c9fc57ff7d8a58471585ee01efbacf9c3291f81dbc05881f84d21dddd3c714b9f87eb74dfd08bd95283157c3120efd5feb926041e4c6e9268054

  • SSDEEP

    393216:RQgHDlanaGBXvDKtz+bhPWES4tiNQPNrIKc4gaPbUAgrO4mgi96l+ZArYsFRlF5L:R3on1HvSzxAMNiFZArYs3Pvas7OZoT

Malware Config

Targets

    • Target

      Start.exe

    • Size

      37.7MB

    • MD5

      a226c4a3b3f80861f9f91990ba69e6c5

    • SHA1

      7d611dbf0e4305506e4fbebd50f585b41f26227b

    • SHA256

      4ceac8889d18635deb9bd445cc15411af192f959186242e6d3e82c5326ae53fc

    • SHA512

      c24621327aa8c9fc57ff7d8a58471585ee01efbacf9c3291f81dbc05881f84d21dddd3c714b9f87eb74dfd08bd95283157c3120efd5feb926041e4c6e9268054

    • SSDEEP

      393216:RQgHDlanaGBXvDKtz+bhPWES4tiNQPNrIKc4gaPbUAgrO4mgi96l+ZArYsFRlF5L:R3on1HvSzxAMNiFZArYs3Pvas7OZoT

    • UAC bypass

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks