Extracted

• • Target

    sample

  • Size

    3KB

  • MD5

    ed3cb4479cf421f3703ee371f834f3ab

  • SHA1

    206a7c9f4904005c3ceab0000a22336f6959b31b

  • SHA256

    c30acd35cb22792bbdf12369ea8d5ebb54ffe284e6eff501e0d0d39e1c5d2b85

  • SHA512

    bdfabaf44af7ca19565820d35dff52fe4e478f4d344abe21da8fca3f9c53d7d6589814fab82d9e84fdfbf228d6d321d12c3fd799735f19cce24e6e60ccc66d23

  Score

  10^/10

  wannacrybootkitdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerworm

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry

  • Wannacry family

    wannacry

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Downloads MZ/PE file

  • Uses Session Manager for persistence

    Creates Session Manager registry key to run executable early in system boot.

    persistence

  • Drops startup file

  • 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

  • Adds Run key to start application

    persistence

  • Legitimate hosting services abused for malware hosting/C2

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1