Extracted

• • Target

    DINNER.jfif

  • Size

    5KB

  • MD5

    bfcd422d87740542d2b99ff9cff00eec

  • SHA1

    29cbc1c5d143b4033bc6e6b7fd752ee433d84b10

  • SHA256

    cb324362783c328c6c6a4ee7b25f8b17c12f19a8385a9084751146e4d61efd63

  • SHA512

    a9d749292356f772aadb1216946b282ca3d9fb1cf682b9c8d5ebcaf2293d8fd50bb588810c90199e8118272a8be6b3fab03c00818f5e3c2e54d9d84491d40608

  • SSDEEP

    96:LuCBksNBHQTAl92xsBrEAyvEp3U1O+AwWiaYOhIjkC7yAqByEseiJqm+RmfqVDy:yL2BwM92+uJM3UNAtJhIA1AWyReiJqmn

  Score

  10^/10

  wannacrybootkitdefense_evasiondiscoveryexecutionimpactpersistenceprivilege_escalationransomwarespywarestealerworm

  • 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

  • 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

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • 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.

  • Checks computer location settings

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

  • Deletes itself

  • 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

  • Impair Defenses: Safe Mode Boot

    defense_evasion

  • 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

  • Drops desktop.ini file(s)

  • 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

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1