General
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Target
829575dc1105f36047a6cde2be378239b46b7609556b366222b2a21d9d9ed9b8
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Size
65KB
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Sample
250411-nf32faxps3
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MD5
156d711b3f24d4e49ecc12c186d61a81
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SHA1
53d89b91bdab6de6ad385635f8e1c1a80579684f
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SHA256
829575dc1105f36047a6cde2be378239b46b7609556b366222b2a21d9d9ed9b8
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SHA512
f33280851ecc32ff87c08f32709b0351928f3055c0343b6ec6fad0b3bb95498ee09ca501b756234d50efecb156e1c210f1344a8092d60d82c8947e220fd257b6
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SSDEEP
768:7IWywdXxyb5lE6+F6U+nLONalh5BNnOk04rwFQ01aUa7se15MG7+9aW:sWywdhF8LssbOk0AwF1M5MGZ
Static task
static1
Behavioral task
behavioral1
Sample
829575dc1105f36047a6cde2be378239b46b7609556b366222b2a21d9d9ed9b8.exe
Resource
win10v2004-20250410-en
Malware Config
Targets
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Target
829575dc1105f36047a6cde2be378239b46b7609556b366222b2a21d9d9ed9b8
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Size
65KB
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MD5
156d711b3f24d4e49ecc12c186d61a81
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SHA1
53d89b91bdab6de6ad385635f8e1c1a80579684f
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SHA256
829575dc1105f36047a6cde2be378239b46b7609556b366222b2a21d9d9ed9b8
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SHA512
f33280851ecc32ff87c08f32709b0351928f3055c0343b6ec6fad0b3bb95498ee09ca501b756234d50efecb156e1c210f1344a8092d60d82c8947e220fd257b6
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SSDEEP
768:7IWywdXxyb5lE6+F6U+nLONalh5BNnOk04rwFQ01aUa7se15MG7+9aW:sWywdhF8LssbOk0AwF1M5MGZ
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Lockbit family
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Rule to detect Lockbit 3.0 ransomware Windows payload
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Renames multiple (699) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops desktop.ini file(s)
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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v16
Defense Evasion
File and Directory Permissions Modification
1Indicator Removal
1File Deletion
1Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1