General
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Target
9a7e02df1bea2e9b16b8ee7c51da5ed9a11c272d5a03df6dc6871285d0a6fd09
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Size
715KB
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Sample
230217-h7k22sec64
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MD5
42e387861bf0201233730279dc9319fb
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SHA1
64eda2a134f91277935e0bd468a850ed80790c9c
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SHA256
9a7e02df1bea2e9b16b8ee7c51da5ed9a11c272d5a03df6dc6871285d0a6fd09
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SHA512
dfe46be83d2d78c496951fb5aa5001b1199c9e589fed6d84cf6a0d120774c4bc26880b7d9c1a57d3b40947c0f0b8d744db3a6741b9e549022fc3960bccdf7e72
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SSDEEP
12288:XHWs90rZRy1sKzhqhZyMKrFWS09RKxwV6fFVrgSlEzePnw0ebEiNqDkS9KzuNlF:XHWqeZRir0sMk63hcfzlaelmbNwKS3F
Static task
static1
Behavioral task
behavioral1
Sample
9a7e02df1bea2e9b16b8ee7c51da5ed9a11c272d5a03df6dc6871285d0a6fd09.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
djvu
http://bihsy.com/test2/get.php
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extension
.hhee
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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
9a7e02df1bea2e9b16b8ee7c51da5ed9a11c272d5a03df6dc6871285d0a6fd09
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Size
715KB
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MD5
42e387861bf0201233730279dc9319fb
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SHA1
64eda2a134f91277935e0bd468a850ed80790c9c
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SHA256
9a7e02df1bea2e9b16b8ee7c51da5ed9a11c272d5a03df6dc6871285d0a6fd09
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SHA512
dfe46be83d2d78c496951fb5aa5001b1199c9e589fed6d84cf6a0d120774c4bc26880b7d9c1a57d3b40947c0f0b8d744db3a6741b9e549022fc3960bccdf7e72
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SSDEEP
12288:XHWs90rZRy1sKzhqhZyMKrFWS09RKxwV6fFVrgSlEzePnw0ebEiNqDkS9KzuNlF:XHWqeZRir0sMk63hcfzlaelmbNwKS3F
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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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