Extracted

• • Target

    BoostLoader_v1.exe

  • Size

    28KB

  • MD5

    4a68de0bacf7b13aaf73b50bfa30eefb

  • SHA1

    448f7c54c470c1b88922a062984ebef021f86020

  • SHA256

    63398bcbca8131165c25afdf5f04f3cebc5229828efa55d78f0bae7cc82a10f6

  • SHA512

    a28d5a34fd486d205b77cdfec2c857a31510efd2535dfe228c7c8a2c9c797ee8fa531930963f18f6c4bb517a64f66728657461e952b17c8fe40796f252a6877e

  • SSDEEP

    384:IbdmmHyX0F1bgqrSq6iKSLhgbcVNz3yy7dkw0yf1oIupWjW9Jf:GdfHyX0FlJOahiqdkwjtoI

  Score

  10^/10

  umbralevasionspywarestealerthemidatrojan

  • Detect Umbral payload

  • Umbral

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

    stealerumbral

  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    evasion

  • Downloads MZ/PE file

  • Checks BIOS information in registry

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

  • Checks computer location settings

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

  • Executes dropped EXE

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Themida packer

    Detects Themida, an advanced Windows software protection system.

    themida

  • Checks whether UAC is enabled

    evasiontrojan

  • 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1behavioral2