Overview

overview

10

Static

static

lock.exe

windows7_x64

10

lock.exe

windows10_x64

10

Sharing

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General

  • Target
    lock.exe
  • Size 112KB
  • Sample200801-ynqmk34srj
  • SHA256 0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821
  • MD5 SHA1 SHA512
Score
10/10
wastedlockerdiscoveryexploitpersistenceransomware

Malware Config

Targets

    • Target
      lock.exe
    • Size 112KB
    • SHA256 0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821
    • MD5 SHA1 SHA512
    Score
    10/10
    persistenceexploitransomwarewastedlockerdiscovery

    • WastedLocker

      Ransomware family seen in the wild since May 2020.

      ransomwarewastedlocker

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Possible privilege escalation attempt

      exploit

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Drops file in System32 directory

    • Modifies service

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks