General
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Target
b8425c146c80842725d1a027e6fca7e3385c4dabd550a72d60683e4e529ca02f
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Size
140KB
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Sample
221224-s612zsdd4s
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MD5
3f351e8cc3561b5cd0ed1c25daef7eeb
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SHA1
1995184c3a23a5d722c0ae4516fa9cd81702e2ab
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SHA256
92511dd7ed0799023ad8a896e8add7ed591a573d4d2d51e2d6d1788ee98c1869
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SHA512
01eeff2f624644591ccbe083c655a3a95b1ec8efd0a26febe660dcaf7dacc281d23056b2d05b846baec26561d9ef7d68267b34434139650cb000046b5de989b6
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SSDEEP
3072:prLnil86T2uA7qe0Jag/MEIZIRPjVHi1yQ8J/MQukCNTmU0:lL+S7qeSaEMkRUKaNTE
Static task
static1
Behavioral task
behavioral1
Sample
b8425c146c80842725d1a027e6fca7e3385c4dabd550a72d60683e4e529ca02f.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b8425c146c80842725d1a027e6fca7e3385c4dabd550a72d60683e4e529ca02f.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
redline
mario23_10
167.235.252.160:10642
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auth_value
eca57cfb5172f71dc45986763bb98942
Extracted
djvu
http://ex3mall.com/lancer/get.php
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extension
.isza
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offline_id
m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1
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payload_url
http://uaery.top/dl/build2.exe
http://ex3mall.com/files/1/build3.exe
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ransomnote
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Extracted
amadey
3.61
62.204.41.79/U7vfDb3kg/index.php
Targets
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Target
b8425c146c80842725d1a027e6fca7e3385c4dabd550a72d60683e4e529ca02f
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Size
226KB
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MD5
5df72ca427104352637a5ef056030e3b
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SHA1
626e79a6af439050ef99af38bc275d2116ee4e7a
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SHA256
b8425c146c80842725d1a027e6fca7e3385c4dabd550a72d60683e4e529ca02f
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SHA512
e4f535ba567d03c493a0d94a7d77be74d4dad4cf3315ebacfcf67f19c163fabfa6dfb4352a318f8aa994c116cf1be12b1d2c40a89531969522763971ea52220e
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SSDEEP
3072:UDFmLorhb5NVSvhE7cEyVQgZElt93CauDHFXf/ln:jLoNRSvhEIEyVQXfSaMf
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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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Detect Amadey credential stealer module
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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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Blocklisted process makes network request
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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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Accesses Microsoft Outlook accounts
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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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