General
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Target
b538ff30c58e25d64465c1ca85c801e3e2747262380f5aaabf6dad4b91afc083
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Size
320KB
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Sample
221101-mlk75sahb7
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MD5
9e775e96fa042f3b834bbc419900ccc7
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SHA1
2979669e92f199a0aaddc71e7133891af20ef6d7
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SHA256
b538ff30c58e25d64465c1ca85c801e3e2747262380f5aaabf6dad4b91afc083
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SHA512
8f7871271f0da90cfba4a57b2719edfc1ddff5bc240f99ff1f8c5134990db907cfe8d65c1db492f18d1534c0b689164bd5854a2dbd7ab9f6b73e7afec45f7926
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SSDEEP
3072:/eLwxS5/J5To7epMVEVIfgkdgiNNGcAdop8fjVggjcGkNIVqIh7:WwxS5ALyugkdginTUopKR7ITsq
Static task
static1
Behavioral task
behavioral1
Sample
b538ff30c58e25d64465c1ca85c801e3e2747262380f5aaabf6dad4b91afc083.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://fresherlights.com/lancer/get.php
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extension
.bozq
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offline_id
oHp5e4SJxdFtxfvKYmeX06F4C5cn0EcsF5Ak9Wt1
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payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.com/files/1/build3.exe
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ransomnote
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Extracted
redline
mario23_10
167.235.252.160:10642
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auth_value
eca57cfb5172f71dc45986763bb98942
Extracted
redline
slovarik15btc
78.153.144.3:2510
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auth_value
bfedad55292538ad3edd07ac95ad8952
Extracted
redline
Google2
167.235.71.14:20469
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auth_value
fb274d9691235ba015830da570a13578
Targets
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Target
b538ff30c58e25d64465c1ca85c801e3e2747262380f5aaabf6dad4b91afc083
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Size
320KB
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MD5
9e775e96fa042f3b834bbc419900ccc7
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SHA1
2979669e92f199a0aaddc71e7133891af20ef6d7
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SHA256
b538ff30c58e25d64465c1ca85c801e3e2747262380f5aaabf6dad4b91afc083
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SHA512
8f7871271f0da90cfba4a57b2719edfc1ddff5bc240f99ff1f8c5134990db907cfe8d65c1db492f18d1534c0b689164bd5854a2dbd7ab9f6b73e7afec45f7926
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SSDEEP
3072:/eLwxS5/J5To7epMVEVIfgkdgiNNGcAdop8fjVggjcGkNIVqIh7:WwxS5ALyugkdginTUopKR7ITsq
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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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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Downloads MZ/PE file
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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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Modifies file permissions
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Uses the VBS compiler for execution
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Accesses Microsoft Outlook profiles
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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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