General
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Target
NitroRansomware.exe
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Size
61KB
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Sample
241026-pwsfbaslfy
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MD5
07e743c285d7f93f6eade3ef06f254af
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SHA1
0041dac01ef16644d29bfa52bbc07bb8650d1ab0
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SHA256
3648148140b969d6ff9c51898844311a7572815b1168a320eb924a3ebea6fc22
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SHA512
77ca7c4a5fca4b7e3e30e27fee2025d7fc4a6a0036633fff82ffde981a0bd04238134038a7b0615911f60614b44bbde3ecca32a4b767c8a420ab2e91317a12b6
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SSDEEP
768:0KsMqCXfVcWlzM9ZkiANIUndYLDwUzc80gmq3oP/oDF:0Kse1M9ZkiAPyr/0O8/oh
Static task
static1
Behavioral task
behavioral1
Sample
NitroRansomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
NitroRansomware.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
NitroRansomware.exe
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Size
61KB
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MD5
07e743c285d7f93f6eade3ef06f254af
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SHA1
0041dac01ef16644d29bfa52bbc07bb8650d1ab0
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SHA256
3648148140b969d6ff9c51898844311a7572815b1168a320eb924a3ebea6fc22
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SHA512
77ca7c4a5fca4b7e3e30e27fee2025d7fc4a6a0036633fff82ffde981a0bd04238134038a7b0615911f60614b44bbde3ecca32a4b767c8a420ab2e91317a12b6
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SSDEEP
768:0KsMqCXfVcWlzM9ZkiANIUndYLDwUzc80gmq3oP/oDF:0Kse1M9ZkiAPyr/0O8/oh
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Nitro family
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Renames multiple (93) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Adds Run key to start application
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Drops desktop.ini file(s)
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
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