General

  • Target

    hotfix.exe

  • Size

    7.4MB

  • Sample

    250104-qtqz5s1pas

  • MD5

    a2271e54b0c19f1efdba770dccee0128

  • SHA1

    6b3ff7d411df91cfc0f4a356eae6c1f407b2b8dd

  • SHA256

    f5627b2e36bff1bf291a4bee7481dbf96b9f43c709e7d95ad42c58af36860b6e

  • SHA512

    04840f8cabbadd75ebea0ae0e948551985f335c552cfdc78c8c81e8ecab690df76641414e53b4c05702e067cbf21985fddc04b4e63ec858c887bc8ccd52891ff

  • SSDEEP

    196608:MITurErvI9pWjgyvoaYrE41JIuIwoOdhe:hTurEUWjdo/H1JzoChe

Malware Config

Targets

    • Target

      hotfix.exe

    • Size

      7.4MB

    • MD5

      a2271e54b0c19f1efdba770dccee0128

    • SHA1

      6b3ff7d411df91cfc0f4a356eae6c1f407b2b8dd

    • SHA256

      f5627b2e36bff1bf291a4bee7481dbf96b9f43c709e7d95ad42c58af36860b6e

    • SHA512

      04840f8cabbadd75ebea0ae0e948551985f335c552cfdc78c8c81e8ecab690df76641414e53b4c05702e067cbf21985fddc04b4e63ec858c887bc8ccd52891ff

    • SSDEEP

      196608:MITurErvI9pWjgyvoaYrE41JIuIwoOdhe:hTurEUWjdo/H1JzoChe

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Command and Scripting Interpreter: PowerShell

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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

    • 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.

    • 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