General

  • Target

    nezurr.exe

  • Size

    7.5MB

  • Sample

    241119-21l6bavbqg

  • MD5

    92c47cbd15a6099a4da50d726015508c

  • SHA1

    91e8ab7d6c699f8ed8247705d03cec2c3d9b97d8

  • SHA256

    f4d4286a5b93621dac280247aa449c39a018aa4295e6f2c6a8dc80dfcfa64bf7

  • SHA512

    00f7b1ff896e034108c4e66812605dbbcf3eaef712823a561ffc642282b45a5838bf706e449b42381f794ccb0aa74e41fcc72ecfe28b5e37e31fff24800e3946

  • SSDEEP

    196608:qWgeIvwfI9jUC2gYBYv3vbWvGPI63p1e5zf:CaIH2gYBgDWgpwVf

Malware Config

Targets

    • Target

      nezurr.exe

    • Size

      7.5MB

    • MD5

      92c47cbd15a6099a4da50d726015508c

    • SHA1

      91e8ab7d6c699f8ed8247705d03cec2c3d9b97d8

    • SHA256

      f4d4286a5b93621dac280247aa449c39a018aa4295e6f2c6a8dc80dfcfa64bf7

    • SHA512

      00f7b1ff896e034108c4e66812605dbbcf3eaef712823a561ffc642282b45a5838bf706e449b42381f794ccb0aa74e41fcc72ecfe28b5e37e31fff24800e3946

    • SSDEEP

      196608:qWgeIvwfI9jUC2gYBYv3vbWvGPI63p1e5zf:CaIH2gYBgDWgpwVf

    • 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

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks