General
- Target NitroRansomware.exe
- Size 62KB
- Sample250617-kyevsavnt5
- SHA256 b439a6c6e24815e702c430679e8b6318b99dbf8917f5d8bf71ab44acb0b4b01a
- MD5 f8c8a8d2d0ff5fb09c628d0cbe43eb07
- SHA1 d1f8cae0abb6018bac9253e75db78d1f7ea523ed
- SHA512 3ff17343343d7236c85b42538fda21e329b02499efc2ce0984400480f80bb05ed77bcae57b6e0d2604e32bc4a0fb5cbc64225de16f04d04f7eebb55aebd0d03c
- SSDEEP 768:XKsMqCXfVcWaJCM9ZkiANIUwWYLDwUzc80gmq3oP/oDy:XKseaMM9ZkiAP6r/0O8/oW
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
NitroRansomware.exe
Resource
win10v2004-20250610-en
20 signatures
150 seconds
Behavioral task
behavioral2
Sample
NitroRansomware.exe
Resource
win11-20250610-en
13 signatures
150 seconds
Malware Config
Targets
-
- Target NitroRansomware.exe
- Size 62KB
- SHA256 b439a6c6e24815e702c430679e8b6318b99dbf8917f5d8bf71ab44acb0b4b01a
- MD5 f8c8a8d2d0ff5fb09c628d0cbe43eb07
- SHA1 d1f8cae0abb6018bac9253e75db78d1f7ea523ed
- SHA512 3ff17343343d7236c85b42538fda21e329b02499efc2ce0984400480f80bb05ed77bcae57b6e0d2604e32bc4a0fb5cbc64225de16f04d04f7eebb55aebd0d03c
- SSDEEP 768:XKsMqCXfVcWaJCM9ZkiANIUwWYLDwUzc80gmq3oP/oDy:XKseaMM9ZkiAP6r/0O8/oW
- MD5 SHA1 SHA512 SSDEEP
-
Nitro family
-
Renames multiple (113) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Adds Run key to start application
-
Drops desktop.ini file(s)
-
Legitimate hosting services abused for malware hosting/C2
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1