General
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Target
setup.exe
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Size
274KB
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Sample
230327-bms4lach3x
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MD5
cb1634c185646114dba3a4ba9681138b
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SHA1
c0dead7c947382982a27d301b0bb4170f79761f3
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SHA256
5e683773368044e569422c9afff74812780bf7f3f2a6fe2cb29961931ac46bea
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SHA512
4c5712fa6cb1ab1878543746c1bb3540941c36947e0e8b62e67a50e9d0a71c8692e76cffcd90ea45361ec775f0e6c77b064a73936a3041884d082b201e434fa5
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SSDEEP
3072:fF4dSHrn2ZBFR6i20MR8sS1Lyhgw0vUSRDm4UOhNG8+kiFZU/enj/3+WepNN4TJY:br2/7a0MBtL0sMmqa8SZWWj/rUNN4T
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
smokeloader
2022
http://potunulit.org/
http://hutnilior.net/
http://bulimu55t.net/
http://soryytlic4.net/
http://novanosa5org.org/
http://nuljjjnuli.org/
http://tolilolihul.net/
http://somatoka51hub.net/
http://hujukui3.net/
http://bukubuka1.net/
http://golilopaster.org/
http://newzelannd66.org/
http://otriluyttn.org/
http://aapu.at/tmp/
http://poudineh.com/tmp/
http://firsttrusteedrx.ru/tmp/
http://kingpirate.ru/tmp/
Extracted
djvu
http://zexeq.com/test2/get.php
http://zexeq.com/lancer/get.php
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extension
.jywd
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offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.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-fkW8qLaCVQ 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: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0675JOsie
Extracted
smokeloader
pub1
Extracted
smokeloader
sprg
Extracted
vidar
3.1
00d92484c9b27bc8482a2cc94cacc508
https://steamcommunity.com/profiles/76561199472266392
https://t.me/tabootalks
http://135.181.26.183:80
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profile_id_v2
00d92484c9b27bc8482a2cc94cacc508
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user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79
Extracted
amadey
3.65
77.73.134.27/8bmdh3Slb2/index.php
Targets
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Target
setup.exe
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Size
274KB
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MD5
cb1634c185646114dba3a4ba9681138b
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SHA1
c0dead7c947382982a27d301b0bb4170f79761f3
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SHA256
5e683773368044e569422c9afff74812780bf7f3f2a6fe2cb29961931ac46bea
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SHA512
4c5712fa6cb1ab1878543746c1bb3540941c36947e0e8b62e67a50e9d0a71c8692e76cffcd90ea45361ec775f0e6c77b064a73936a3041884d082b201e434fa5
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SSDEEP
3072:fF4dSHrn2ZBFR6i20MR8sS1Lyhgw0vUSRDm4UOhNG8+kiFZU/enj/3+WepNN4TJY:br2/7a0MBtL0sMmqa8SZWWj/rUNN4T
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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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Modifies security service
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Downloads MZ/PE file
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Stops running service(s)
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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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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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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