General
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Target
cb021251a6cf6317a61b976f0a285a89.bin
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Size
172KB
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Sample
230429-ccfk7ahc39
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MD5
db763b15c0e32a070af209ecbd000e6e
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SHA1
92a7cd87ea7e005d911b787631a1fd787c8f5492
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SHA256
4981c500a97e15756ebe9b9d301670830bdcfafc4e9fb2d036e1ac6681fb0e51
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SHA512
3413d79ffa467218482dc8f479a870b6239f271c5e0b7b235ab15dfd5e53b6e96ab8b101a9f083228433fbf3d25907496d0a54f9ba0c41d8f5db659605ae8fb7
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SSDEEP
3072:j2XbIOTW6khKY0SHWVgtrq9/QsFpTW+jzraiie/4e8/U6A4aoacU/WUmNKXxgTm:j2cSJkhKYzW/jT3fraG/4e8/NsojtNK7
Static task
static1
Behavioral task
behavioral1
Sample
66fea9a5b695e66e0a6a2e1e6ff6f3303e854bde55983b93051a09617227f133.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
66fea9a5b695e66e0a6a2e1e6ff6f3303e854bde55983b93051a09617227f133.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
smokeloader
pub1
Extracted
amadey
3.70
77.73.134.27/n9kdjc3xSf/index.php
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.foty
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offline_id
JFtdCcJoPS9sBORc6lnQV44QG764HrKKynxqdVt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
3.6
1616034f091df9fd0229bc38dd17597f
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
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profile_id_v2
1616034f091df9fd0229bc38dd17597f
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user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Extracted
vidar
3.6
5cb879265de0011bfc7588d5d251aee6
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
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profile_id_v2
5cb879265de0011bfc7588d5d251aee6
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user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Targets
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Target
66fea9a5b695e66e0a6a2e1e6ff6f3303e854bde55983b93051a09617227f133.exe
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Size
290KB
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MD5
cb021251a6cf6317a61b976f0a285a89
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SHA1
4395ccfca60b9655afb1a0f10fd541f32baa6ca3
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SHA256
66fea9a5b695e66e0a6a2e1e6ff6f3303e854bde55983b93051a09617227f133
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SHA512
67b0dad68834abe097604d8953c9f0940e6150256a5d0e1ee9773ad041000d04d06d427094658ab29adb381e84e67c64604ce7672f86bb10325926211ec79d13
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SSDEEP
3072:4tgkhSBr/lDKz0w+Fc7dppVHZeBlmZcxp76k7vyMwztf5W5ildNu22HdXM:MxSFlK0w+Fc7d79oBlm+6kxwHZldNy1
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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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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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MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
2Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Modify Registry
2Web Service
1