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General

  • Target

    Astri.exe

  • Size

    7.4MB

  • Sample

    250325-v51e6sztft

  • MD5

    be414a6c564dcb09c438847038f00989

  • SHA1

    3d0778795b47ce9328f570d88b6d53adc60b036b

  • SHA256

    8dc32044e54f418a9857873945dd35cbaec502c94b5e664c009d23c46a4ad89d

  • SHA512

    3789bc531d5d9d8d2ea1e435465c52acb0c9effeb6478e781582b2ceaf9920631c0ae73c910eca7319a3176d58dc05e688b63acb54ed2ce1e3ec6107baaa8daa

  • SSDEEP

    196608:eWrBs1YurErvI9pWjgfPvzm6gsFE44frk:DRurEUWjC3zDbF4frk

Malware Config

Targets

    • Target

      Astri.exe

    • Size

      7.4MB

    • MD5

      be414a6c564dcb09c438847038f00989

    • SHA1

      3d0778795b47ce9328f570d88b6d53adc60b036b

    • SHA256

      8dc32044e54f418a9857873945dd35cbaec502c94b5e664c009d23c46a4ad89d

    • SHA512

      3789bc531d5d9d8d2ea1e435465c52acb0c9effeb6478e781582b2ceaf9920631c0ae73c910eca7319a3176d58dc05e688b63acb54ed2ce1e3ec6107baaa8daa

    • SSDEEP

      196608:eWrBs1YurErvI9pWjgfPvzm6gsFE44frk:DRurEUWjC3zDbF4frk

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks