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General
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Target
2dd8c26077575a11b0a0d824a31b77864f031e3f3b006390a814dceb493d5149
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Size
235KB
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Sample
230419-gbrpaage85
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MD5
20e0a165d06495fb4bba5e6f128a218f
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SHA1
d1a83e5dba62446fd693f9992664d583138e3ae5
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SHA256
2dd8c26077575a11b0a0d824a31b77864f031e3f3b006390a814dceb493d5149
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SHA512
20feed2a2449865107a8bb6046434ac37a1adcf47d12f55c492f685819351f0828a4ff3f14edb29cdee8668f89238d0c7eca7cef8e7bd20ba7cc7eec6c701bb2
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SSDEEP
3072:krGeHEH3jdgUbQ24AA+QcRFH3ioVC+c45/wFhwYPDpJKJRflI:feHYjdJ9A+QcRFH3yuwEYPDWJ
Static task
static1
Behavioral task
behavioral1
Sample
2dd8c26077575a11b0a0d824a31b77864f031e3f3b006390a814dceb493d5149.exe
Resource
win10-20230220-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://hoh0aeghwugh2gie.com/
http://hie7doodohpae4na.com/
http://aek0aicifaloh1yo.com/
http://yic0oosaeiy7ahng.com/
http://wa5zu7sekai8xeih.com/
http://aapu.at/tmp/
http://poudineh.com/tmp/
http://firsttrusteedrx.ru/tmp/
http://kingpirate.ru/tmp/
Extracted
smokeloader
sprg
Extracted
amadey
3.70
77.73.134.27/n9kdjc3xSf/index.php
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.coty
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offline_id
O8Ao46dcCReRPC4I1PGMYsRFFc9WI5eOp0O3MFt1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
smokeloader
pub1
Targets
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Target
2dd8c26077575a11b0a0d824a31b77864f031e3f3b006390a814dceb493d5149
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Size
235KB
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MD5
20e0a165d06495fb4bba5e6f128a218f
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SHA1
d1a83e5dba62446fd693f9992664d583138e3ae5
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SHA256
2dd8c26077575a11b0a0d824a31b77864f031e3f3b006390a814dceb493d5149
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SHA512
20feed2a2449865107a8bb6046434ac37a1adcf47d12f55c492f685819351f0828a4ff3f14edb29cdee8668f89238d0c7eca7cef8e7bd20ba7cc7eec6c701bb2
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SSDEEP
3072:krGeHEH3jdgUbQ24AA+QcRFH3ioVC+c45/wFhwYPDpJKJRflI:feHYjdJ9A+QcRFH3yuwEYPDWJ
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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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Deletes itself
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Executes dropped EXE
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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