General
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Target
e4e6d792bba07c02b12354e4f36e450636efd08d264f58d7d3381440ec552043
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Size
792KB
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Sample
221005-zhmm1sfggq
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MD5
47343ccd035c2123139b06a606f676dd
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SHA1
d16e1331d5dd2011a2f5a31b027421c8559313e1
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SHA256
e4e6d792bba07c02b12354e4f36e450636efd08d264f58d7d3381440ec552043
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SHA512
b0d2c42c352de26aaf81833e3c30f04ae98f2dfe5ddb2c136a323e0dedbb79bd634e793749fd63d695d854899c2a189ed75852993092c01740fde56b77b539a4
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SSDEEP
12288:v5TsJ/OR7vFkM/iPNscV4H7uKXwAcKE+yUvs+zMo34vg5mEGoU6AdcdeEAunnNpc:vEORhkTNscVyPDhve24XKbXk
Static task
static1
Behavioral task
behavioral1
Sample
e4e6d792bba07c02b12354e4f36e450636efd08d264f58d7d3381440ec552043.exe
Resource
win10v2004-20220901-en
Malware Config
Extracted
djvu
http://winnlinne.com/lancer/get.php
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extension
.adww
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offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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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
54.9
517
https://t.me/larsenup
https://ioc.exchange/@zebra54
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profile_id
517
Targets
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Target
e4e6d792bba07c02b12354e4f36e450636efd08d264f58d7d3381440ec552043
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Size
792KB
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MD5
47343ccd035c2123139b06a606f676dd
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SHA1
d16e1331d5dd2011a2f5a31b027421c8559313e1
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SHA256
e4e6d792bba07c02b12354e4f36e450636efd08d264f58d7d3381440ec552043
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SHA512
b0d2c42c352de26aaf81833e3c30f04ae98f2dfe5ddb2c136a323e0dedbb79bd634e793749fd63d695d854899c2a189ed75852993092c01740fde56b77b539a4
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SSDEEP
12288:v5TsJ/OR7vFkM/iPNscV4H7uKXwAcKE+yUvs+zMo34vg5mEGoU6AdcdeEAunnNpc:vEORhkTNscVyPDhve24XKbXk
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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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