Extracted

• • Target

    web.asm

  • Size

    2KB

  • MD5

    57d423ca4add6241bb21bbadb9d6177a

  • SHA1

    b474f7422001e7f740d2de6dc9e750f77ea3bc76

  • SHA256

    755768e16043b1ea870717a5e84dd6d522d6ab71a85d3b9935f82af1651c34f7

  • SHA512

    165f76d5a045124453e4ef4807193c33e32078de17b13cc932a10dc19a42d6b60c06e7c5c257a7ff15dcfe5baa1998e8774bf0a862e751bf2239a16db0516a29

  Score

  10^/10

  wannacrybootkitdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerupxworm

  • Suspicious use of NtCreateProcessExOtherParentProcess

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry

  • Wannacry family

    wannacry

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Disables Task Manager via registry modification

    defense_evasion

  • Downloads MZ/PE file

  • 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

  • Sets desktop wallpaper using registry

    ransomware

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  behavioral1behavioral2