General
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Target
d0b970216cb501e576d40f2649e74deac1e0b52ee34589eb9ad6d7f6bb2e0326
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Size
709KB
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Sample
230216-mdwznsgg3z
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MD5
5b541893c9b0eeaeaa6ac771a6c5f415
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SHA1
d0c27e70519716ce04655e7c783fac3ba76fd2fc
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SHA256
d0b970216cb501e576d40f2649e74deac1e0b52ee34589eb9ad6d7f6bb2e0326
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SHA512
d7b1d8b52f3ecc6875ee53d6f8e325317ba8122793335cdde81332e4f36953964bb8ed8876f4c53566a80e0b302c90c93db8174501a33c593a79858d9b83e48f
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SSDEEP
12288:csGoSfPmOcXnsqYy016wAiCDF4WS7u/+CdDEQN+SpbY9:c/BnPcXsTy0wwAiCZN6up37t4
Static task
static1
Behavioral task
behavioral1
Sample
d0b970216cb501e576d40f2649e74deac1e0b52ee34589eb9ad6d7f6bb2e0326.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
djvu
http://bihsy.com/lancer/get.php
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extension
.hhoo
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offline_id
dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1
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payload_url
http://uaery.top/dl/build2.exe
http://bihsy.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
d0b970216cb501e576d40f2649e74deac1e0b52ee34589eb9ad6d7f6bb2e0326
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Size
709KB
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MD5
5b541893c9b0eeaeaa6ac771a6c5f415
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SHA1
d0c27e70519716ce04655e7c783fac3ba76fd2fc
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SHA256
d0b970216cb501e576d40f2649e74deac1e0b52ee34589eb9ad6d7f6bb2e0326
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SHA512
d7b1d8b52f3ecc6875ee53d6f8e325317ba8122793335cdde81332e4f36953964bb8ed8876f4c53566a80e0b302c90c93db8174501a33c593a79858d9b83e48f
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SSDEEP
12288:csGoSfPmOcXnsqYy016wAiCDF4WS7u/+CdDEQN+SpbY9:c/BnPcXsTy0wwAiCZN6up37t4
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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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