General
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Target
95a4a7b3f9f471aa56cd2706e0d6cfcf1be0df2c2bc3013a3ec0a01f0d32d378
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Size
225KB
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Sample
221224-jvzv4shg25
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MD5
a6a0450fb109359c9aaa40f973260498
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SHA1
adb5b70aa250f216ef5d79c71f6d94a0f46cd381
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SHA256
95a4a7b3f9f471aa56cd2706e0d6cfcf1be0df2c2bc3013a3ec0a01f0d32d378
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SHA512
50601b72f5334d44378aed39a2680deee10c5264715de25ff97d1ea63b6c3921f1e5083decc78a42b91b985ccec873c8396da9f74c56e3d51490e0aedd4ac982
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SSDEEP
3072:D/0KxLuO/h5F6sgnvt1qiFWMlxjwjkRPH8oSNjiKiafY3Ox6qQo3:1Lu6MfvXqiQijwjE8oij5iGHk5o
Static task
static1
Behavioral task
behavioral1
Sample
95a4a7b3f9f471aa56cd2706e0d6cfcf1be0df2c2bc3013a3ec0a01f0d32d378.exe
Resource
win10-20220812-en
Malware Config
Extracted
redline
mario23_10
167.235.252.160:10642
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auth_value
eca57cfb5172f71dc45986763bb98942
Extracted
djvu
http://ex3mall.com/lancer/get.php
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extension
.isza
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offline_id
m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1
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payload_url
http://uaery.top/dl/build2.exe
http://ex3mall.com/files/1/build3.exe
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ransomnote
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Extracted
amadey
3.61
62.204.41.79/U7vfDb3kg/index.php
Targets
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Target
95a4a7b3f9f471aa56cd2706e0d6cfcf1be0df2c2bc3013a3ec0a01f0d32d378
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Size
225KB
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MD5
a6a0450fb109359c9aaa40f973260498
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SHA1
adb5b70aa250f216ef5d79c71f6d94a0f46cd381
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SHA256
95a4a7b3f9f471aa56cd2706e0d6cfcf1be0df2c2bc3013a3ec0a01f0d32d378
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SHA512
50601b72f5334d44378aed39a2680deee10c5264715de25ff97d1ea63b6c3921f1e5083decc78a42b91b985ccec873c8396da9f74c56e3d51490e0aedd4ac982
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SSDEEP
3072:D/0KxLuO/h5F6sgnvt1qiFWMlxjwjkRPH8oSNjiKiafY3Ox6qQo3:1Lu6MfvXqiQijwjE8oij5iGHk5o
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Detected Djvu ransomware
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Detects Smokeloader packer
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Blocklisted process makes network request
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Downloads MZ/PE file
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Executes dropped EXE
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Deletes itself
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Loads dropped DLL
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Modifies file permissions
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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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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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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Suspicious use of SetThreadContext
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