General
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Target
9cf9fd21736c108a3532a3251d96cf57e3cbbc0b7d397b449fc8939587c0efbf
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Size
747KB
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Sample
221019-wabzrsadgj
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MD5
f27ddf6c35c179aefa8a5bee72db37d3
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SHA1
54e7a6b7c110a813a2bbf1f4c2211532e64e7756
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SHA256
9cf9fd21736c108a3532a3251d96cf57e3cbbc0b7d397b449fc8939587c0efbf
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SHA512
3cbfc5203e4140a266ebcdd811519b308a56392980c317e09780937ac0eb7747a8ed7520ec88c13e6ff1aaef79e922ae892404c0324196fffafab5995bda6571
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SSDEEP
12288:I4jTUsVuTBp8p1jlVjV0LCy64eHCcNn8EU9CUYCB0oJkw1CyIuPCcM6933R/fjDI:IGCpmaCysHrZUYK0oJD1lXCcMApfjDI
Static task
static1
Behavioral task
behavioral1
Sample
9cf9fd21736c108a3532a3251d96cf57e3cbbc0b7d397b449fc8939587c0efbf.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.tuis
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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
9cf9fd21736c108a3532a3251d96cf57e3cbbc0b7d397b449fc8939587c0efbf
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Size
747KB
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MD5
f27ddf6c35c179aefa8a5bee72db37d3
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SHA1
54e7a6b7c110a813a2bbf1f4c2211532e64e7756
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SHA256
9cf9fd21736c108a3532a3251d96cf57e3cbbc0b7d397b449fc8939587c0efbf
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SHA512
3cbfc5203e4140a266ebcdd811519b308a56392980c317e09780937ac0eb7747a8ed7520ec88c13e6ff1aaef79e922ae892404c0324196fffafab5995bda6571
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SSDEEP
12288:I4jTUsVuTBp8p1jlVjV0LCy64eHCcNn8EU9CUYCB0oJkw1CyIuPCcM6933R/fjDI:IGCpmaCysHrZUYK0oJD1lXCcMApfjDI
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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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