Extracted

• • Target

    SteamtoolsSetup.exe

  • Size

    1.7MB

  • MD5

    dd410c316152077eb8a683ed981fc787

  • SHA1

    360b90cd99dd9ead20b21e50c73a3d0fe10123c1

  • SHA256

    036128ca60c543609bf2c6c362e2f909c85f1760d4a8d6b07c55b73d36d9df0b

  • SHA512

    81f4dceebe93a89b239076937df31bf28542b23ed8e383ca9b30cbdcd89b3d8683fc8fff9c78d74c1ced281e766cb852b54b6c5b5640b6cb0224b66c747d8657

  • SSDEEP

    24576:nkcCSfG0yWS7woCNAi1GoCaLI4/gPGHOV1VVW4Qn652aPOrjB9:kcCSe0yT7wooAi1GhWI4oPGHOVVWvcC

  Score

  10^/10

  wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerworm

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Sets service image path in registry

    persistence

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Impair Defenses: Safe Mode Boot

    defense_evasion

  • 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

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • Legitimate hosting services abused for malware hosting/C2

  • Drops file in System32 directory

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1