General
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Target
aa4eceb7fb5fa854ccb3de8675880f44564aa1eac27663399e5267185d228198
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Size
147KB
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Sample
221006-bzszcsgcfm
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MD5
25905f4fe60996a8f22085655ffaa0c5
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SHA1
6e822214482a023e81e2dd0437a847295f9b43b2
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SHA256
aa4eceb7fb5fa854ccb3de8675880f44564aa1eac27663399e5267185d228198
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SHA512
ad13cb4304c05a3ffcd9713ec2cff98f8a5e6a42923523d4dc09e48dfe80688cda48421cb4ad5274b14562e0439e49745332d2d7ab594f32328f6ff7221c52fa
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SSDEEP
3072:UGQcjNShhfYsu9TgcTypOVCFDuFuXi7RXYg914rBcO:h3okLRFIOCDo7Rx914a
Static task
static1
Behavioral task
behavioral1
Sample
aa4eceb7fb5fa854ccb3de8675880f44564aa1eac27663399e5267185d228198.exe
Resource
win10-20220812-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
aa4eceb7fb5fa854ccb3de8675880f44564aa1eac27663399e5267185d228198
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Size
147KB
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MD5
25905f4fe60996a8f22085655ffaa0c5
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SHA1
6e822214482a023e81e2dd0437a847295f9b43b2
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SHA256
aa4eceb7fb5fa854ccb3de8675880f44564aa1eac27663399e5267185d228198
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SHA512
ad13cb4304c05a3ffcd9713ec2cff98f8a5e6a42923523d4dc09e48dfe80688cda48421cb4ad5274b14562e0439e49745332d2d7ab594f32328f6ff7221c52fa
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SSDEEP
3072:UGQcjNShhfYsu9TgcTypOVCFDuFuXi7RXYg914rBcO:h3okLRFIOCDo7Rx914a
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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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Deletes itself
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Loads dropped DLL
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Modifies file permissions
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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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