General
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Target
49e5ffca8da1ed0fa1d2d0ad248ecc6e19829698ff2c16421e7bcf3010b5f909
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Size
820KB
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Sample
221012-jcfdrachb7
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MD5
531af1b1672b5207418d040ee6cc3916
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SHA1
b15b8e068d4f9769409eb9267da785a5ce27092a
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SHA256
49e5ffca8da1ed0fa1d2d0ad248ecc6e19829698ff2c16421e7bcf3010b5f909
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SHA512
e03a3f0706ef5dbfd26f95416add2d5435585a5974a7c9df24558947480979529f02033f25fdf0727ed33c2f3749ff57fba670e107b4a15a35b909a9f23f6268
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SSDEEP
24576:+wu2pvQgOrR+z5a87naim918a5Q7WPLT:+wDOfSoQecUQ7
Static task
static1
Behavioral task
behavioral1
Sample
49e5ffca8da1ed0fa1d2d0ad248ecc6e19829698ff2c16421e7bcf3010b5f909.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.pohj
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offline_id
tHl9RvVtHhFQisMomKMdXzz2soNLhV0cuok85it1
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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
49e5ffca8da1ed0fa1d2d0ad248ecc6e19829698ff2c16421e7bcf3010b5f909
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Size
820KB
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MD5
531af1b1672b5207418d040ee6cc3916
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SHA1
b15b8e068d4f9769409eb9267da785a5ce27092a
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SHA256
49e5ffca8da1ed0fa1d2d0ad248ecc6e19829698ff2c16421e7bcf3010b5f909
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SHA512
e03a3f0706ef5dbfd26f95416add2d5435585a5974a7c9df24558947480979529f02033f25fdf0727ed33c2f3749ff57fba670e107b4a15a35b909a9f23f6268
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SSDEEP
24576:+wu2pvQgOrR+z5a87naim918a5Q7WPLT:+wDOfSoQecUQ7
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Detected Djvu ransomware
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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 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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