Extracted

• • Target

    Bootstrapper_1725724037599_1sly5.exe

  • Size

    146KB

  • MD5

    bc832d4fef741681578a87eb5d95b292

  • SHA1

    75a89d287b15af8c6b8bcd9fa7887badc1850c5d

  • SHA256

    5aa9d099dfc103dc52a33655e57845c6084b5d6bfab65abf4f3daea9911c613a

  • SHA512

    270298becb80e7398ee608c780185caa6cfe1b48319c87302efd1fbc17f73f5acf9926295420e3dc8caeaa6e80f57db235e0d9adc2e37dda674d6d85c01be4f8

  • SSDEEP

    3072:8PCyYwC+M2FEv80IZOA/CyYwC+M2FEv80IZOAU80IZOA4:ghY7X2Kvh4hY7X2Kvhvh

  Score

  10^/10

  discoveryexecutionlummastealer

  • Lumma Stealer, LummaC

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

    stealerlumma

  • Process spawned unexpected child process

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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

  • Checks computer location settings

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

  • Executes dropped EXE

  • Loads dropped DLL

  • Blocklisted process makes network request

  • 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

  • Drops file in System32 directory

  • Enumerates processes with tasklist

    discovery

  • Suspicious use of SetThreadContext

  behavioral1behavioral2behavioral3behavioral4