General
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Target
file.exe
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Size
271KB
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Sample
221005-2fycvagbaj
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MD5
fed15979d927202175a67f39a2de5b73
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SHA1
541da8999a0f81a12122344eeafe3b030a09a4ab
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SHA256
61006792b65fc074f90f6cc6b2696e04d52d679b4821d3684adccf106cac81ba
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SHA512
5e1488cdb4ceda3c525a139218eca392e71389c6e63d0b92d7571894a467165a36dfb640377c5d978bf8bf1c1b8f846a524e5dc866bb1bca2ad0c4f96550c653
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SSDEEP
6144:4P41s0DaLlZhuKYEIWgURuzbgwup/pwVfUPk:4Pqsv5ZEEIcunnc/c
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-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
Extracted
vidar
54.9
1681
https://t.me/larsenup
https://ioc.exchange/@zebra54
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profile_id
1681
Targets
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Target
file.exe
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Size
271KB
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MD5
fed15979d927202175a67f39a2de5b73
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SHA1
541da8999a0f81a12122344eeafe3b030a09a4ab
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SHA256
61006792b65fc074f90f6cc6b2696e04d52d679b4821d3684adccf106cac81ba
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SHA512
5e1488cdb4ceda3c525a139218eca392e71389c6e63d0b92d7571894a467165a36dfb640377c5d978bf8bf1c1b8f846a524e5dc866bb1bca2ad0c4f96550c653
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SSDEEP
6144:4P41s0DaLlZhuKYEIWgURuzbgwup/pwVfUPk:4Pqsv5ZEEIcunnc/c
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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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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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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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