Extracted

• • Target

    Bootstrapper.exe

  • Size

    796KB

  • MD5

    5f16b82a8b62d4cc9d6ce02f44e34109

  • SHA1

    be96254773cba2c6f0b88e51319802b1c6394beb

  • SHA256

    1621a516abb8ecf9459c9dec83f7fb9beb07af1f79511dfe0b3c622297ffa940

  • SHA512

    956d983c7f076b176bfd1952e691e2d363c332dba317645ce991c9bb2f4ddd89771f0d035cbb70ab420b9dd906b3a6d0aecc6c8243ba6a4ac70979cebb00986b

  • SSDEEP

    3072:nTaFZMwaCyYwC+M2FEv80IZOA/CyYwC+M2FEv80IZOAu80IZOA4:lhY7X2Kvh4hY7X2Kvhlh

  Score

  10^/10

  discoveryexecutionlummaevasionpersistenceprivilege_escalationstealertrojan

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    stealerlumma

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Downloads MZ/PE file

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • Checks computer location settings

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

  • Event Triggered Execution: Component Object Model Hijacking

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation

  • Executes dropped EXE

  • Loads dropped DLL

  • Blocklisted process makes network request

  • 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

    evasiontrojan

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Legitimate hosting services abused for malware hosting/C2

  • Checks system information in the registry

    System information is often read in order to detect sandboxing environments.

  • Enumerates processes with tasklist

    discovery

  • Suspicious use of NtCreateThreadExHideFromDebugger

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  behavioral1behavioral2