General
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Target
7759a0656d7b0daac736af76f39cc19b599000d9dd2737d53f2a4903e95c2a27
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Size
185KB
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Sample
221130-qvctxaha6w
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MD5
f405f50d617dea4154149b7973376510
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SHA1
61b1d338906ddd15f23cddf264b2cd0de1102c99
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SHA256
7759a0656d7b0daac736af76f39cc19b599000d9dd2737d53f2a4903e95c2a27
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SHA512
c57049f0fa68e7e9f838bba15223d74ec524378e6197792307cc9712d574596d3eab09dd8242efe57d310c742113203fb66d43eea54a6b77165357ff8604b4d4
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SSDEEP
3072:ve+M+4mWuVW0zn5puqxa8YHjhEZU4Z4D7NLoZL90WQ7Z:1M+xVWWXxa8YD62q0WQ
Static task
static1
Behavioral task
behavioral1
Sample
7759a0656d7b0daac736af76f39cc19b599000d9dd2737d53f2a4903e95c2a27.exe
Resource
win10-20220812-en
Malware Config
Extracted
djvu
http://fresherlights.com/lancer/get.php
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extension
.uyit
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offline_id
HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1
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payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.com/files/1/build3.exe
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ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-5UcwRdS3ED Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0611djfsieE
Extracted
vidar
56
517
https://t.me/asifrazatg
https://steamcommunity.com/profiles/76561199439929669
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profile_id
517
Targets
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Target
7759a0656d7b0daac736af76f39cc19b599000d9dd2737d53f2a4903e95c2a27
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Size
185KB
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MD5
f405f50d617dea4154149b7973376510
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SHA1
61b1d338906ddd15f23cddf264b2cd0de1102c99
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SHA256
7759a0656d7b0daac736af76f39cc19b599000d9dd2737d53f2a4903e95c2a27
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SHA512
c57049f0fa68e7e9f838bba15223d74ec524378e6197792307cc9712d574596d3eab09dd8242efe57d310c742113203fb66d43eea54a6b77165357ff8604b4d4
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SSDEEP
3072:ve+M+4mWuVW0zn5puqxa8YHjhEZU4Z4D7NLoZL90WQ7Z:1M+xVWWXxa8YD62q0WQ
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detected Djvu ransomware
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Detects Smokeloader packer
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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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 accounts
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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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Drops Chrome extension
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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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