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General
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Target
13b2e211bd7fd58f537ee12f24f8b3dd7f35b184ef003a94a356a2bbe1f7c46a
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Size
149KB
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Sample
221216-tsknhshh2w
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MD5
77b276c347598aea212d16a6fbe1b927
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SHA1
1aaa5729768a7f732f23052b709a21617573e05f
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SHA256
680226e716378602071cf6603e24c9efd53689c799f4c22f578f4442d96d478c
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SHA512
fc34ba9e1aed44abead064824cad487b605fe224987bf2136ed7b2ea3eb7dda0fca61c0ebdb1e4a8c4edd77a694a0beb6fa88635c86aed84d7ce3ec3c5d86391
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SSDEEP
3072:uEScakcitLb6t5idmtdwzXszRqhqTBGSCY2EXPkmF/0NeZ5W:7akcmKt5iw0jsdGSnfX1F/0NKg
Static task
static1
Behavioral task
behavioral1
Sample
13b2e211bd7fd58f537ee12f24f8b3dd7f35b184ef003a94a356a2bbe1f7c46a.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
13b2e211bd7fd58f537ee12f24f8b3dd7f35b184ef003a94a356a2bbe1f7c46a.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://abibiall.com/lancer/get.php
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extension
.bttu
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offline_id
8p2Go5ZmkbFk0DF2oJ6E8vGEogpBqqaGCWjto1t1
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payload_url
http://uaery.top/dl/build2.exe
http://abibiall.com/files/1/build3.exe
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ransomnote
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Extracted
raccoon
ec7a54fb6492ff3a52d09504b8ecf082
http://88.119.161.188
http://88.119.161.19
Targets
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Target
13b2e211bd7fd58f537ee12f24f8b3dd7f35b184ef003a94a356a2bbe1f7c46a
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Size
227KB
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MD5
9135f94621c62d8cfe3fe6744c9f758d
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SHA1
ccf0d5ed4dde3a6b8c656c3ae520f28c9d9d2cb9
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SHA256
13b2e211bd7fd58f537ee12f24f8b3dd7f35b184ef003a94a356a2bbe1f7c46a
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SHA512
22cfa7d470cf8d69deab8e61c200868573dfbba0a9154f5e4ef6d922d7b92ccd1af9cccd970b01412e62f931f38235cabbaa2eedf655c54fcf4fe0c02288cea4
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SSDEEP
3072:4q/kyU4gLrQHLnQ4cRTTJ5L3p/zXtOWa6DLQ2mppGT8/AJXufHtWqMPDcfuh:Z/kXLrQHLQNJ5LZbXA6gtLP8qMrc
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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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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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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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