General
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Target
7759a0656d7b0daac736af76f39cc19b599000d9dd2737d53f2a4903e95c2a27
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Size
132KB
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Sample
221202-x1swmsfa49
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MD5
d3d89d29bff773ca9ecd71b4a3b4965b
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SHA1
6e5d2965cb70d21cfacbf8ba41be37f256263f5f
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SHA256
9071a59234609c5c35ebaac4bf6cb88a2e3a90acb51f15ff9dca33bca8699f07
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SHA512
43f91bf7497897a1a8114d2e66210a54aee4a6266861a781be789915dd2d96feac5ddd9693243e5f4ebc7c96c94cf00bd7d8a44fcea42a0c18e4ddf658ce0177
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SSDEEP
3072:Wctax+RgPp75HbCGCQdqtmZbAu21nnWyG67anoY4NKX/wP6h0kHWiIg:WcwIup75HbCZt6su21nbR7aoYbvwChlp
Static task
static1
Behavioral task
behavioral1
Sample
7759a0656d7b0daac736af76f39cc19b599000d9dd2737d53f2a4903e95c2a27.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
7759a0656d7b0daac736af76f39cc19b599000d9dd2737d53f2a4903e95c2a27.exe
Resource
win10v2004-20220901-en
Malware Config
Extracted
djvu
http://fresherlights.com/lancer/get.php
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extension
.uyit
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offline_id
HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1
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payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
56
517
https://t.me/asifrazatg
https://steamcommunity.com/profiles/76561199439929669
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profile_id
517
Targets
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Target
7759a0656d7b0daac736af76f39cc19b599000d9dd2737d53f2a4903e95c2a27
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Size
185KB
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MD5
f405f50d617dea4154149b7973376510
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SHA1
61b1d338906ddd15f23cddf264b2cd0de1102c99
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SHA256
7759a0656d7b0daac736af76f39cc19b599000d9dd2737d53f2a4903e95c2a27
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SHA512
c57049f0fa68e7e9f838bba15223d74ec524378e6197792307cc9712d574596d3eab09dd8242efe57d310c742113203fb66d43eea54a6b77165357ff8604b4d4
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SSDEEP
3072:ve+M+4mWuVW0zn5puqxa8YHjhEZU4Z4D7NLoZL90WQ7Z:1M+xVWWXxa8YD62q0WQ
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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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Detects Smokeloader packer
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Downloads MZ/PE file
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Drops file in Drivers directory
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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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Drops Chrome extension
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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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