Extracted

• • Target

    RobloxPlayerInstaller.exe

  • Size

    5.5MB

  • MD5

    94740510822524d579f869a81e02f5ea

  • SHA1

    0e87d714e9eec2eee7c3af028e8e66e7478a107f

  • SHA256

    ad927962330c2d2cf2bf7c33c1a5395df5ccd4ceabfb10c72db240041d773dda

  • SHA512

    7cb3e72b0f1bdcbd53096fdec470fec9a6aa56d56b5f4bfa86b6afaa3ddbd2be6878f7874feb2c15647a627cea34a1fee7be35f6d1dffbf6a5a9c0bf8efa1d24

  • SSDEEP

    98304:nrvxPrhl9Tn+HPneE2baWbtglM4pZqmRPRwLuBmBzluav5:zBrhlGnsTgl3RPRnBezlPv5

  Score

  10^/10

  wannacrybootkitdefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwarespywarestealertrojanworm

  • 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

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • Checks computer location settings

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

  • Drops startup file

  • Event Triggered Execution: Component Object Model Hijacking

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • 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

  • Checks whether UAC is enabled

    evasiontrojan

  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    defense_evasion

  • 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

  • Checks system information in the registry

    System information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory

  • Sets desktop wallpaper using registry

    ransomware

  • Suspicious use of NtCreateThreadExHideFromDebugger

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1