Malware.View on attack.mitre.org
H1N1 is a malware variant that has been distributed via a campaign using VBA macros to infect victims. Although it initially had only loader capabilities, it has evolved to include information-stealing functionality.
| Technique | Procedure example |
|---|---|
| T1027 Obfuscated Files or Information |
H1N1 uses multiple techniques to obfuscate strings, including XOR. |
| T1027.002 Software Packing |
H1N1 uses a custom packing algorithm. |
| T1059.003 Windows Command Shell |
H1N1 kills and disables services by using cmd.exe. |
| T1080 Taint Shared Content |
H1N1 has functionality to copy itself to network shares. |
| T1091 Replication Through Removable Media |
H1N1 has functionality to copy itself to removable media. |
| T1105 Ingress Tool Transfer |
H1N1 contains a command to download and execute a file from a remotely hosted URL using WinINet HTTP requests. |
| T1132 Data Encoding |
H1N1 obfuscates C2 traffic with an altered version of base64. |
| T1490 Inhibit System Recovery |
H1N1 disable recovery options and deletes shadow copies from the victim. |
| T1548.002 Bypass User Account Control |
H1N1 bypasses user access control by using a DLL hijacking vulnerability in the Windows Update Standalone Installer (wusa.exe). |
| T1555.003 Credentials from Web Browsers |
H1N1 dumps usernames and passwords from Firefox, Internet Explorer, and Outlook. |
| T1573.001 Symmetric Cryptography |
H1N1 encrypts C2 traffic using an RC4 key. |
| T1685 Disable or Modify Tools |
H1N1 kills and disables services for Windows Security Center, and Windows Defender. |
| T1686.003 Windows Host Firewall |
H1N1 kills and disables services for Windows Firewall. |
None recorded.
None recorded.
Data from MITRE ATT&CK® (Enterprise). ATT&CK® is a registered trademark of The MITRE Corporation.
