General
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Target
b986a002d907a2c6083b7e07b992cdb9e592622476840e878e0d9e50b4e8a37d
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Size
174KB
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Sample
221206-dnfk1ahc48
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MD5
3bbb5e709f340f0f6cba6582ac412c4a
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SHA1
a81cfeb21bc645d51f2a959ba96e78e1438b5619
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SHA256
cb4d0eada687343ec14435e54a646fc6365ec3f39a7c7b10531bbd1e8fb01ca7
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SHA512
5a6ed00e2d07a14e123b8509fbf77b9e7d3d88fd6dde0de6f246802bab2a1e707bdf8bdc9003308ab234764c7f94768f7158a8dd9a2265627bad69cb7e5894af
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SSDEEP
3072:NVNVwSHBrmHEln17q7qRh/T1VPweskV3IKYD94ZYHMZWgdnvng4rPt:NVPkEl87k/JZwSJFZMMZW8/X
Static task
static1
Behavioral task
behavioral1
Sample
b986a002d907a2c6083b7e07b992cdb9e592622476840e878e0d9e50b4e8a37d.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
b986a002d907a2c6083b7e07b992cdb9e592622476840e878e0d9e50b4e8a37d.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://fresherlights.com/lancer/get.php
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extension
.mbtf
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offline_id
d1BN9KEra4Hetg5GUH0nQZqy14sntD2NbihzGQt1
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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
b986a002d907a2c6083b7e07b992cdb9e592622476840e878e0d9e50b4e8a37d
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Size
272KB
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MD5
f66c58e8420f030a9f593b8a2646e83d
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SHA1
5ff3aa7c3114f8ecfccd58c0cc91146e19a3b9ea
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SHA256
b986a002d907a2c6083b7e07b992cdb9e592622476840e878e0d9e50b4e8a37d
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SHA512
421a9b55977bab31c321e2086752fac1a1395decc0b97cb7021ae1fb0448851185d85209453753b37afbded60e78f3c4a1f18902947a68058598f4acdecb4997
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SSDEEP
3072:WyXVH4YPixN0DORI4WR5wHmzdq/T1VPweskV3IKFJVhYiVRvJTcpVDYgV2qs64j:WyXDORIOQq/JZwSJ3jYIDcfVS
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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 NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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