General
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Target
3c044ce47cf8b753b2f0b9744c61339e482a8659b2fa91b52c6533e38add268a
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Size
773KB
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Sample
240409-wwgr5shd4x
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MD5
849aebbf61b1c39e0786fb37f80bdd4b
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SHA1
08dd64e2c3a9eae6f81cb29a54b718dba2cb8650
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SHA256
3c044ce47cf8b753b2f0b9744c61339e482a8659b2fa91b52c6533e38add268a
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SHA512
31b016dfc65fb61e0a45cb710468e0893c7ed4f552236375d753bd48369492acfaa1e87aea0f08e57efc5678c3fd0870c863a91d7d0f4fb4831385a202417614
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SSDEEP
12288:9SdCy17WQvZdPfwgCZLXcLHByoEh9mCRVG/pW1K2qyUDxAUjD:OGQxpfwgCZYLhyHby+qygWUjD
Static task
static1
Behavioral task
behavioral1
Sample
3c044ce47cf8b753b2f0b9744c61339e482a8659b2fa91b52c6533e38add268a.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
3c044ce47cf8b753b2f0b9744c61339e482a8659b2fa91b52c6533e38add268a.exe
Resource
win11-20240221-en
Malware Config
Extracted
djvu
http://sajdfue.com/test1/get.php
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extension
.uajs
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offline_id
Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
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ransomnote
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Targets
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Target
3c044ce47cf8b753b2f0b9744c61339e482a8659b2fa91b52c6533e38add268a
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Size
773KB
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MD5
849aebbf61b1c39e0786fb37f80bdd4b
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SHA1
08dd64e2c3a9eae6f81cb29a54b718dba2cb8650
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SHA256
3c044ce47cf8b753b2f0b9744c61339e482a8659b2fa91b52c6533e38add268a
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SHA512
31b016dfc65fb61e0a45cb710468e0893c7ed4f552236375d753bd48369492acfaa1e87aea0f08e57efc5678c3fd0870c863a91d7d0f4fb4831385a202417614
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SSDEEP
12288:9SdCy17WQvZdPfwgCZLXcLHByoEh9mCRVG/pW1K2qyUDxAUjD:OGQxpfwgCZYLhyHby+qygWUjD
Score10/10-
Detected Djvu ransomware
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Modifies file permissions
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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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