General
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Target
pdf-reader-plus.exe
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Size
1.0MB
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Sample
230518-nbehaaae59
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MD5
9e2242186ee3339f017e1b5b10c7b383
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SHA1
858f2ac6a2d03c316938816da430684ab05db923
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SHA256
6b4037a48d116b95097079a9abe02e5ef2dfad10eb1b6d6e3ab1fb8d056fe119
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SHA512
0f285656ed5576e9956a33908c2ada06eebd37ebaaf18babf69248752c521b799c76623049056105bc6eaf38ae093c1dba2d553e548f1f4f58ab3395bd88c245
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SSDEEP
24576:oyLQ9WL1sRn6UJ64wSYyzSTPvSM811d6xNHQ:vQWhssU9PivS91P6xNH
Static task
static1
Behavioral task
behavioral1
Sample
pdf-reader-plus.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
pdf-reader-plus.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
redline
dream
77.91.68.253:4138
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auth_value
7b4f26a4ca794e30cee1032d5cb62f5c
Targets
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Target
pdf-reader-plus.exe
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Size
1.0MB
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MD5
9e2242186ee3339f017e1b5b10c7b383
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SHA1
858f2ac6a2d03c316938816da430684ab05db923
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SHA256
6b4037a48d116b95097079a9abe02e5ef2dfad10eb1b6d6e3ab1fb8d056fe119
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SHA512
0f285656ed5576e9956a33908c2ada06eebd37ebaaf18babf69248752c521b799c76623049056105bc6eaf38ae093c1dba2d553e548f1f4f58ab3395bd88c245
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SSDEEP
24576:oyLQ9WL1sRn6UJ64wSYyzSTPvSM811d6xNHQ:vQWhssU9PivS91P6xNH
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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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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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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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Suspicious use of SetThreadContext
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