General
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Target
21d107d8adca406c6f56a279a78b27ca7e5732e46adfc9533be6e3190d41fd00
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Size
430KB
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Sample
220521-dwgg9sgdf3
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MD5
7e53a98cba5955c3070925ab6b2ac5ca
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SHA1
c854e93fa0dcd6b66b072c9b91f9eb8a1a586151
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SHA256
21d107d8adca406c6f56a279a78b27ca7e5732e46adfc9533be6e3190d41fd00
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SHA512
8e1e3c1844bfbc2b6df5fe95f10f389d49759fed1e85ff938f7d573026c4f59398f3730732d53292e17e75ee3d64aaa026e6b112143d8f9caaa29d44c9635456
Static task
static1
Behavioral task
behavioral1
Sample
Ekstre.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Ekstre.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
C:\Users\Admin\AppData\Local\F293CD6622\Log.txt
masslogger
Targets
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Target
Ekstre.exe
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Size
1.2MB
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MD5
89f1f5656da031a2efc09c53e4be99de
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SHA1
889b3da7c04df4f5ada7c3ee11742854399e20b0
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SHA256
18dce314a1d5ad6712fd2b1f80955c00155ec16e66e1039ac77c1849aa913577
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SHA512
39b8e7b71f13e486db5032057a4d3bf9cce5ff407eda21f802d782f66e53f924e2dab3b6244341c94d7fe273643cfcd96eecf3affefca3cccfeedcf031062c81
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload
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MassLogger log file
Detects a log file produced by MassLogger.
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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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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