General

  • Target

    BootstrapperNew.exe

  • Size

    10.1MB

  • Sample

    250221-cyabassp18

  • MD5

    e8e9f56bb9a1d19eb8ef80a0b9040a11

  • SHA1

    6d086704a5e587ab97515e9169534e4ca79d4e74

  • SHA256

    ab743530671df111503d7a56b7f758685e5ac554bbefb5a42c22e8a434c64bf7

  • SHA512

    4e0933e798c7965ab2f0a25c4133035827404b284b2047beaff88a5243b3095cbedd5e28bee8af2bab8bd602ed8c394c9e6c1a4b3874a5688325ccf394d5da1d

  • SSDEEP

    196608:TWl06FT+LYQYMYYBKpYDXcbwO/ikbwfI9jUCD6rlaZLH7qRGrGIYUoZy8FUsOnAe:wTQfEHOXcb1inIH20drLYRZjor

Malware Config

Targets

    • Target

      BootstrapperNew.exe

    • Size

      10.1MB

    • MD5

      e8e9f56bb9a1d19eb8ef80a0b9040a11

    • SHA1

      6d086704a5e587ab97515e9169534e4ca79d4e74

    • SHA256

      ab743530671df111503d7a56b7f758685e5ac554bbefb5a42c22e8a434c64bf7

    • SHA512

      4e0933e798c7965ab2f0a25c4133035827404b284b2047beaff88a5243b3095cbedd5e28bee8af2bab8bd602ed8c394c9e6c1a4b3874a5688325ccf394d5da1d

    • SSDEEP

      196608:TWl06FT+LYQYMYYBKpYDXcbwO/ikbwfI9jUCD6rlaZLH7qRGrGIYUoZy8FUsOnAe:wTQfEHOXcb1inIH20drLYRZjor

    • 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