Extracted

• • Target

    BootstrapperV1.23.exe

  • Size

    800KB

  • MD5

    7198fa10a50ea9aaf6ae5c2a05af2104

  • SHA1

    c35a2a73313e3c5ad08136e3bc583bb9bc26964c

  • SHA256

    073997d20ef564e271ffb2b4d86773dbf7eddfb7e9f4811b0deb798b4505e2ce

  • SHA512

    56db894671d6b5e093ef2de88ba785f1d9159e2b206593886ad540d336c5dfa79cd5ea7b6b29fbdd39d3a2355bcc01d90f5fff64e97fcbda383e38df79353acf

  • SSDEEP

    12288:naMgC/rJdxLDMVVV/1EIEm6l6O6+26AFxKxg0YZbs7Ql:naMgGfxLDmVwoV+26YcY+0

  Score

  10^/10

  modiloaderumbralxwormdefense_evasiondiscoveryexecutionpersistenceratspywarestealertrojan

  • Detect Umbral payload

  • Detect Xworm Payload

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    trojanmodiloader

  • Modiloader family

    modiloader

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Umbral family

    umbral

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • ModiLoader Second Stage

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Drops file in Drivers directory

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file

  • Executes dropped EXE

  • Impair Defenses: Safe Mode Boot

    defense_evasion

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Adds Run key to start application

    persistence

  • 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.

  behavioral1behavioral2