General
-
Target
https://github.com/chronosmiki/RANSOMWARE-WANNACRY-2.0/blob/master/Ransomware.WannaCry.zip
-
Sample
241119-naszaawbpm
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/chronosmiki/RANSOMWARE-WANNACRY-2.0/blob/master/Ransomware.WannaCry.zip
Resource
win10ltsc2021-20241023-en
Malware Config
Extracted
C:\Users\Admin\Downloads\@[email protected]
wannacry
12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw
Targets
-
-
Target
https://github.com/chronosmiki/RANSOMWARE-WANNACRY-2.0/blob/master/Ransomware.WannaCry.zip
-
Suspicious use of NtCreateProcessExOtherParentProcess
-
Wannacry family
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Downloads MZ/PE file
-
Drops file in Drivers directory
-
Sets service image path in registry
-
Uses Session Manager for persistence
Creates Session Manager registry key to run executable early in system boot.
-
A potential corporate email address has been identified in the URL: 0E920C0F53DA9E9B0A490D45@AdobeOrg
-
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.
-
Executes dropped EXE
-
Impair Defenses: Safe Mode Boot
-
Loads dropped DLL
-
Modifies file permissions
-
Adds Run key to start application
-
Checks for any installed AV software in registry
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
File and Directory Permissions Modification: Windows File and Directory Permissions Modification
-
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.
-
Drops file in System32 directory
-
Sets desktop wallpaper using registry
-
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Event Triggered Execution
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Safe Mode Boot
1Indicator Removal
1File Deletion
1Modify Registry
6Pre-OS Boot
1Bootkit
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1