Extracted

• • Target

    MBSetup.exe

  • Size

    2.5MB

  • MD5

    d21bf3852bb27fb6f5459d2cf2bcd51c

  • SHA1

    e59309bbe58c9584517e4bb50ff499dffb29d7b0

  • SHA256

    de9c4e8b4b0c756eee4e39221c1e4e0e11c2e67effb828e27de3c4b4470ccff2

  • SHA512

    17bc7740f131a1d4e84fd7e4ab5e1ce510660f5046340ef6d09ef99c56c88da2b6be3ae5c5ddb7213841c506eaec147c65abba1a7a2a8eb4fb8f6329bbaa03d1

  • SSDEEP

    49152:FMofPlPU+QG/rOVcVz6StQyfvE0Z3R0nxiIq2dsTDwfw1Y:FMslc+QGjuTKtQRq261Y

  Score

  10^/10

  wannacrycredential_accessdefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwarespywarestealertrojanworm

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Drops file in Drivers directory

  • Modifies RDP port number used by Windows

  • Sets service image path in registry

    persistence

  • Checks BIOS information in registry

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

  • Credentials from Password Stores: Windows Credential Manager

    Suspicious access to Credentials History.

    credential_accessstealer

  • Drops startup file

  • Impair Defenses: Safe Mode Boot

    defense_evasion

  • 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

  • Boot or Logon Autostart Execution: Active Setup

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence

  • Checks whether UAC is enabled

    evasiontrojan

  • Downloads MZ/PE file

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

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

    defense_evasion

  • Legitimate hosting services abused for malware hosting/C2

  • Modifies boot configuration data using bcdedit

  • AutoIT Executable

    AutoIT scripts compiled to PE executables.

  • Boot or Logon Autostart Execution: Authentication Package

    Suspicious Windows Authentication Registry Modification.

    persistenceprivilege_escalation

  • Drops file in System32 directory

  • 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

  • Modifies WinLogon for persistence

    persistence

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1