wannacry | hxxp://malware[.]exe | Triage

Sharing

General

Target

http://malware.exe
Sample

241016-xcyf8awajd

Score

10^/10

wannacry defense_evasion discovery execution impact persistence ransomware worm

Malware Config

Targets

- Target
  
  http://malware.exe
Score

10^/10

wannacry defense_evasion discovery execution impact persistence ransomware worm
- Wannacry
  WannaCry is a ransomware cryptoworm.
  ransomware worm wannacry
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Adds Run key to start application
  persistence
- File and Directory Permissions Modification: Windows File and Directory Permissions Modification
  defense_evasion
- Legitimate hosting services abused for malware hosting/C2
- Sets desktop wallpaper using registry
  ransomware
behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

File and Directory Permissions Modification

Windows File and Directory Permissions Modification

Hide Artifacts

Hidden Files and Directories

Indicator Removal

File Deletion

Modify Registry

Credential Access

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Web Service

Exfiltration

Impact

Defacement

Inhibit System Recovery

Tasks

static1

urlscan1

behavioral1

wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwareworm