General
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Target
2f7a15691c51124019ccf5cbde2f399e52164f645b70bf4aaab596391146bb7f
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Size
262KB
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Sample
221231-txqekahh85
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MD5
a58ba818715cbcd50fff388b246e04d1
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SHA1
52ebdb14a8e3d61ffc6b3df3d76c4434733ea7de
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SHA256
2f7a15691c51124019ccf5cbde2f399e52164f645b70bf4aaab596391146bb7f
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SHA512
d6a98a816a0e5561128d674371f130cf43b68bc4c350866b20d1eac970e4c5aa4db53badec16dc27df3695e97d2bdb6e6fa8ae72981324671c060457c03339ee
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SSDEEP
3072:MlLntn1Y9zL3g7foklrmRQXN7SCzyLgCmN6kb5vfOxOvlmqrzn8f227hZY:sneL3qocb7SufCJ4SOYcn8rZY
Static task
static1
Behavioral task
behavioral1
Sample
2f7a15691c51124019ccf5cbde2f399e52164f645b70bf4aaab596391146bb7f.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
C:\_readme.txt
djvu
https://we.tl/t-OKSOfVy04R
Extracted
amadey
3.63
62.204.41.109/Nmkn5d9Dn/index.php
Extracted
djvu
http://ex3mall.com/lancer/get.php
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extension
.znto
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offline_id
bE95c2N1x4fARf4W3qmFCjkKPwfFkQaU9NpNBMt1
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payload_url
http://uaery.top/dl/build2.exe
http://ex3mall.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
1.7
19
https://t.me/robloxblackl
https://steamcommunity.com/profiles/76561199458928097
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profile_id
19
Targets
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Target
2f7a15691c51124019ccf5cbde2f399e52164f645b70bf4aaab596391146bb7f
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Size
262KB
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MD5
a58ba818715cbcd50fff388b246e04d1
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SHA1
52ebdb14a8e3d61ffc6b3df3d76c4434733ea7de
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SHA256
2f7a15691c51124019ccf5cbde2f399e52164f645b70bf4aaab596391146bb7f
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SHA512
d6a98a816a0e5561128d674371f130cf43b68bc4c350866b20d1eac970e4c5aa4db53badec16dc27df3695e97d2bdb6e6fa8ae72981324671c060457c03339ee
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SSDEEP
3072:MlLntn1Y9zL3g7foklrmRQXN7SCzyLgCmN6kb5vfOxOvlmqrzn8f227hZY:sneL3qocb7SufCJ4SOYcn8rZY
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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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Detect Amadey credential stealer module
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Detected Djvu ransomware
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Detects LgoogLoader payload
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Detects Smokeloader packer
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LgoogLoader
A downloader capable of dropping and executing other malware families.
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Blocklisted process makes network request
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Downloads MZ/PE file
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Executes dropped EXE
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Sets service image path in registry
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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 accounts
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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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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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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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