Extracted

• • Target

    BleedBootstrapper.exe

  • Size

    216KB

  • MD5

    c985922fbfd599e853e51f20eb1c52af

  • SHA1

    2c1479539a4937c520d5352b245a9fdb01aa6d43

  • SHA256

    29b6d8b4e922d49e993bdd6cebc5370fb35ad1c8356188139a0c863825be98d6

  • SHA512

    8d1420a2b6c51a2bcd1aac3d1387b8f77539bfa9d3e73a8525e8b84439e76debb8081d07dc339415b811a8e0de7f6ccadca1ac6c248aecec4333be464431cc34

  • SSDEEP

    3072:LahKyd2n31d95GWp1icKAArDZz4N9GhbkrNEk5N7AX8VBt3wRW8IbE6Vx2K:LahO3p0yN90QEM

  Score

  10^/10

  44caliberdiscoveryevasionpersistenceprivilege_escalationspywarestealerthemidatrojan

  • 44Caliber

    An open source infostealer written in C#.

    stealer44caliber

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

    evasion

  • Downloads MZ/PE file

  • Modifies Windows Firewall

    evasion

  • 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

  • Loads dropped DLL

  • 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

  • Unexpected DNS network traffic destination

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • 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

    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 NtCreateThreadExHideFromDebugger

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1