Extracted

• • Target

    Bloxstrap (1).exe

  • Size

    4.3MB

  • MD5

    56d66e4df02b04ed21a45cc29e583679

  • SHA1

    0537dc87acb3ce7b7a9b539e18e74a495f71673c

  • SHA256

    d7694169a73999cbd1d8ea033b6a164321082b582eacbbbe6d3f607b563a3599

  • SHA512

    b0040d61eccbe9c9cb34863379ffafec534b36357e1d5b56fa14ad9418ff1cf919f1d0f95b5b886942c16810775386ed76323d29aecd116e0b276b73e0576a98

  • SSDEEP

    98304:3iLGdqIgOoD9sXV4GiXTSQdg3thqK2Oz1q70/xDTISpspijCk:XYrHGiXLdg9jz1xjplCk

  Score

  10^/10

  xwormbootkitdefense_evasiondiscoveryexecutionpersistencerattrojanupx

  • Detect Xworm Payload

  • UAC bypass

    defense_evasiontrojan

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

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

    discovery

  • Checks whether UAC is enabled

    defense_evasiontrojan

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Suspicious use of NtCreateThreadExHideFromDebugger

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • UPX packed file

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

    upx
  behavioral1