General
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Target
NS3nl77.exe
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Size
880KB
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Sample
231113-ll84jacc94
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MD5
a1a58524bbe8615017617189459fcc99
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SHA1
31253aeb697a87c0e2212a6298ba2b142c9a7deb
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SHA256
7d81fca29983fcfdf6f99752402dce8f31cb1a1e9a366a128c6e25283428852f
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SHA512
d39c46e429ffe7a16b54bf5f5c9490c976ea58a9094e434b1106a502b0aa8be75a616407bce7357e2058b0840c7d9901ab77435d683aabb1c3c2c33f29186fb5
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SSDEEP
24576:Tyg749EbOOaeUIsQCtG4PYDiXgGwh+tXiLSE:mW49EbAezjiGf/huXiu
Static task
static1
Behavioral task
behavioral1
Sample
NS3nl77.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
NS3nl77.exe
Resource
win10-20231023-en
Malware Config
Extracted
redline
taiga
5.42.92.51:19057
Targets
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Target
NS3nl77.exe
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Size
880KB
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MD5
a1a58524bbe8615017617189459fcc99
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SHA1
31253aeb697a87c0e2212a6298ba2b142c9a7deb
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SHA256
7d81fca29983fcfdf6f99752402dce8f31cb1a1e9a366a128c6e25283428852f
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SHA512
d39c46e429ffe7a16b54bf5f5c9490c976ea58a9094e434b1106a502b0aa8be75a616407bce7357e2058b0840c7d9901ab77435d683aabb1c3c2c33f29186fb5
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SSDEEP
24576:Tyg749EbOOaeUIsQCtG4PYDiXgGwh+tXiLSE:mW49EbAezjiGf/huXiu
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Detect Mystic stealer payload
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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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Adds Run key to start application
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Suspicious use of SetThreadContext
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