General
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Target
file.exe
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Size
301KB
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Sample
221012-e5c2wacde8
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MD5
041397972137dba410b074da3f72f700
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SHA1
932d1dbadd55b612e40f8d9e9487201e8a493814
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SHA256
a6bbc3658abd5b80d6d28426edbcad2018d4e72791ce2a471718f84a094a62a7
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SHA512
f0d7ba31e40b0ebc6fabfcb09cf0f31f23a73bcb0047900411943d2a8b6b5a2675937d13862afb4a2609c5858827e479333a02c8376950bfa89079c45bc534aa
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SSDEEP
6144:LL7jUEnkirHpB/SC2hMpNnussueigavwVfquSf:nDkupBuSpNrtTZ
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/lancer/get.php
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extension
.tury
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offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
55
517
https://t.me/truewallets
https://mas.to/@zara99
http://116.203.10.3:80
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profile_id
517
Targets
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Target
file.exe
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Size
301KB
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MD5
041397972137dba410b074da3f72f700
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SHA1
932d1dbadd55b612e40f8d9e9487201e8a493814
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SHA256
a6bbc3658abd5b80d6d28426edbcad2018d4e72791ce2a471718f84a094a62a7
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SHA512
f0d7ba31e40b0ebc6fabfcb09cf0f31f23a73bcb0047900411943d2a8b6b5a2675937d13862afb4a2609c5858827e479333a02c8376950bfa89079c45bc534aa
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SSDEEP
6144:LL7jUEnkirHpB/SC2hMpNnussueigavwVfquSf:nDkupBuSpNrtTZ
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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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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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Legitimate hosting services abused for malware hosting/C2
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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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