General
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Target
0008988cd303adfa7bec7e1c757386bb4039dd52f04961d90a4b63140b36dc0d
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Size
271KB
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Sample
221005-zaxs1sfed6
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MD5
a1a707c217336e4ae154a23f36f3608d
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SHA1
23e83155a5741a21cfae3f635ba964f308b2da8e
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SHA256
0008988cd303adfa7bec7e1c757386bb4039dd52f04961d90a4b63140b36dc0d
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SHA512
2e44c2344fbc9ed9d2c705386dd9ea077e18da0d1f94981055cd47722b0b9513465f45f0684b5e241e1375b611c14730933be41dc76d526d1a1962a6969a6448
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SSDEEP
6144:ulxGTLpJGTykiRmrrr84f3+9HEIc9Ruzbgwun/WfU+7wVfUU:uGNJGQRgrtf3+FEDHunno+fRBU
Static task
static1
Behavioral task
behavioral1
Sample
0008988cd303adfa7bec7e1c757386bb4039dd52f04961d90a4b63140b36dc0d.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
0008988cd303adfa7bec7e1c757386bb4039dd52f04961d90a4b63140b36dc0d
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Size
271KB
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MD5
a1a707c217336e4ae154a23f36f3608d
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SHA1
23e83155a5741a21cfae3f635ba964f308b2da8e
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SHA256
0008988cd303adfa7bec7e1c757386bb4039dd52f04961d90a4b63140b36dc0d
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SHA512
2e44c2344fbc9ed9d2c705386dd9ea077e18da0d1f94981055cd47722b0b9513465f45f0684b5e241e1375b611c14730933be41dc76d526d1a1962a6969a6448
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SSDEEP
6144:ulxGTLpJGTykiRmrrr84f3+9HEIc9Ruzbgwun/WfU+7wVfUU:uGNJGQRgrtf3+FEDHunno+fRBU
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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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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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