General
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Target
77cb5f8727bb7b89294b8b09caa61e285acaa620f6c01f69cabb3ca91ad7c4e0
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Size
692KB
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Sample
230217-q8ntbsfb8z
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MD5
61f1a0f55ca1db48d6e80dcc974ab167
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SHA1
f7f9c70d295a6b73d379130d58d94fcc533b33a4
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SHA256
77cb5f8727bb7b89294b8b09caa61e285acaa620f6c01f69cabb3ca91ad7c4e0
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SHA512
a15d7084c993c104eb936e78755c05c5d7d35476f6de8e01ec0e08a2a5fadbc1d74eda8441b4f735f116a1cf06dcf641c138f22786a397647e046520a76ec875
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SSDEEP
12288:iZY5o7xia1gkOGsHd0fTBGuH6p09K4cVrT/4n5Upx9NCC/G8mlcFemCtEpYjnfIB:iZYYC590fTwuHO09K4cVI2NNCC/Vmlc4
Static task
static1
Behavioral task
behavioral1
Sample
77cb5f8727bb7b89294b8b09caa61e285acaa620f6c01f69cabb3ca91ad7c4e0.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
djvu
http://jiqaz.com/test1/get.php
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extension
.hhmm
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offline_id
dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1
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payload_url
http://uaery.top/dl/build2.exe
http://jiqaz.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
2.5
19
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profile_id
19
Targets
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Target
77cb5f8727bb7b89294b8b09caa61e285acaa620f6c01f69cabb3ca91ad7c4e0
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Size
692KB
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MD5
61f1a0f55ca1db48d6e80dcc974ab167
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SHA1
f7f9c70d295a6b73d379130d58d94fcc533b33a4
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SHA256
77cb5f8727bb7b89294b8b09caa61e285acaa620f6c01f69cabb3ca91ad7c4e0
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SHA512
a15d7084c993c104eb936e78755c05c5d7d35476f6de8e01ec0e08a2a5fadbc1d74eda8441b4f735f116a1cf06dcf641c138f22786a397647e046520a76ec875
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SSDEEP
12288:iZY5o7xia1gkOGsHd0fTBGuH6p09K4cVrT/4n5Upx9NCC/G8mlcFemCtEpYjnfIB:iZYYC590fTwuHO09K4cVI2NNCC/Vmlc4
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Detected Djvu ransomware
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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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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Suspicious use of SetThreadContext
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