General
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Target
d77889361525564d5e414e3f975142fe77765bfff68a2a1df8795e30dc86463b
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Size
280KB
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Sample
221005-skz8kaehfj
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MD5
4db342e59e4063a33e39bf2922746104
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SHA1
0f7cb769a3037816003d7ee2e12cc033bd0a4a6f
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SHA256
d77889361525564d5e414e3f975142fe77765bfff68a2a1df8795e30dc86463b
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SHA512
b88349e662077964b9687131d2463bc3efe8c1b9e4d9e75ea44b1de893d3fbb36f5180099483bdcf762eb71d1decbe143d10daea8a402e7d23fdc9dc1d96ebc3
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SSDEEP
6144:sVxMkq5LTvIO9Ifn9RopS8uzbgwueYy0wVfU/:sVx/q5/vIOcnLoBunni/
Static task
static1
Behavioral task
behavioral1
Sample
d77889361525564d5e414e3f975142fe77765bfff68a2a1df8795e30dc86463b.exe
Resource
win10-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/lancer/get.php
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extension
.adww
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offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
54.9
517
https://t.me/larsenup
https://ioc.exchange/@zebra54
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profile_id
517
Targets
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Target
d77889361525564d5e414e3f975142fe77765bfff68a2a1df8795e30dc86463b
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Size
280KB
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MD5
4db342e59e4063a33e39bf2922746104
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SHA1
0f7cb769a3037816003d7ee2e12cc033bd0a4a6f
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SHA256
d77889361525564d5e414e3f975142fe77765bfff68a2a1df8795e30dc86463b
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SHA512
b88349e662077964b9687131d2463bc3efe8c1b9e4d9e75ea44b1de893d3fbb36f5180099483bdcf762eb71d1decbe143d10daea8a402e7d23fdc9dc1d96ebc3
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SSDEEP
6144:sVxMkq5LTvIO9Ifn9RopS8uzbgwueYy0wVfU/:sVx/q5/vIOcnLoBunni/
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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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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 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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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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