General
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Target
Nowatermarks.exe
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Size
227KB
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Sample
240809-vtg5fsxblb
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MD5
926ac9e42778634f5c2580a913d83f62
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SHA1
e36c92f542a4c010c9cbbdb91df84ec2e16ac62f
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SHA256
4916686177420dca945e81aebaf2fc098c21ddb74fbbf9d0f6f2adaf37f218e8
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SHA512
e415af55a761d060dfd56f77491d853edb806c5e2337460fb7df8ac76f986e7a89904caa913b56fcbf19e0f3e084a71ef1a13336cf7aa73cdd52c342ff8375c6
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SSDEEP
6144:+loZMCrIkd8g+EtXHkv/iD475jhDJ6idOIJbGmTLFb8e1mYi:ooZZL+EP875jhDJ6idOIJbGmTJu
Behavioral task
behavioral1
Sample
Nowatermarks.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Nowatermarks.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1271181788311457842/_KRSDrxMDpDT4oPD3ryToXuvZ_BZWmh3fVQDMk6lnIe8xX48U6nAWKJ6cFF3-5ojFCxp
Targets
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Target
Nowatermarks.exe
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Size
227KB
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MD5
926ac9e42778634f5c2580a913d83f62
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SHA1
e36c92f542a4c010c9cbbdb91df84ec2e16ac62f
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SHA256
4916686177420dca945e81aebaf2fc098c21ddb74fbbf9d0f6f2adaf37f218e8
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SHA512
e415af55a761d060dfd56f77491d853edb806c5e2337460fb7df8ac76f986e7a89904caa913b56fcbf19e0f3e084a71ef1a13336cf7aa73cdd52c342ff8375c6
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SSDEEP
6144:+loZMCrIkd8g+EtXHkv/iD475jhDJ6idOIJbGmTLFb8e1mYi:ooZZL+EP875jhDJ6idOIJbGmTJu
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Detect Umbral payload
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Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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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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MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1