General
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Target
file.exe
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Size
279KB
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Sample
221005-qaccmsedb5
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MD5
6e7d0004abf6a9b3c9431da6844d231f
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SHA1
9716805336d0a5e9d5d5dfd5f833624a14a098fc
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SHA256
45a6ef5e7ef2ddea83b2919e21546968133337c54ebb68acdfff2d1c6e3dc740
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SHA512
343c82d6a914260c6843e65d998163d7a81701a41f6cefe47207662f96dc576281efb335cbfbf3a2745eac547204a9fc7a7477464eb9f52b326c1107dec77cc8
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SSDEEP
6144:sP5kq8L8wYzPGW9VObwFFJCuzbgwuE/9wVfU:sPGq8IwYzZ/ObM2unnf
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.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
file.exe
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Size
279KB
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MD5
6e7d0004abf6a9b3c9431da6844d231f
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SHA1
9716805336d0a5e9d5d5dfd5f833624a14a098fc
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SHA256
45a6ef5e7ef2ddea83b2919e21546968133337c54ebb68acdfff2d1c6e3dc740
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SHA512
343c82d6a914260c6843e65d998163d7a81701a41f6cefe47207662f96dc576281efb335cbfbf3a2745eac547204a9fc7a7477464eb9f52b326c1107dec77cc8
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SSDEEP
6144:sP5kq8L8wYzPGW9VObwFFJCuzbgwuE/9wVfU:sPGq8IwYzZ/ObM2unnf
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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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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 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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