General
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Target
81427e7184dc62c487b322838e67a5cd5ad1da2c70593793f2929e8b904aca3b
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Size
348KB
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Sample
221202-qjbgpsbb78
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MD5
4608e1f630e327810faa7b4e90e9890c
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SHA1
1797b02943cfc2e7659e98ce1fd1a15685b972a5
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SHA256
81427e7184dc62c487b322838e67a5cd5ad1da2c70593793f2929e8b904aca3b
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SHA512
9c16b50978d0d3db177d3dfbca0542e5769a3542b28211df99f93e8794a6da79ca8071208598c65f69b6ed1f193537d6050e636be7606c5711e5ae8058501907
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SSDEEP
6144:YVLICLf46eAxpBjwFjtYoi+n+nBaE0snDHuRjMgU:YxN7eAtGaoi+n+noKiRQg
Static task
static1
Behavioral task
behavioral1
Sample
81427e7184dc62c487b322838e67a5cd5ad1da2c70593793f2929e8b904aca3b.exe
Resource
win10v2004-20220812-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
81427e7184dc62c487b322838e67a5cd5ad1da2c70593793f2929e8b904aca3b
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Size
348KB
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MD5
4608e1f630e327810faa7b4e90e9890c
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SHA1
1797b02943cfc2e7659e98ce1fd1a15685b972a5
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SHA256
81427e7184dc62c487b322838e67a5cd5ad1da2c70593793f2929e8b904aca3b
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SHA512
9c16b50978d0d3db177d3dfbca0542e5769a3542b28211df99f93e8794a6da79ca8071208598c65f69b6ed1f193537d6050e636be7606c5711e5ae8058501907
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SSDEEP
6144:YVLICLf46eAxpBjwFjtYoi+n+nBaE0snDHuRjMgU:YxN7eAtGaoi+n+noKiRQg
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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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Downloads MZ/PE file
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Drops file in Drivers directory
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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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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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