General
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Target
c163e65cc868559fff4c0bdebf125507615d1365f8f5c52d489730f41c0c56c0
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Size
797KB
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Sample
240416-k6ppyseb56
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MD5
38229589bab21566df6e0db25447c1a3
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SHA1
95f14e511cec7d8276648d1388a53059cd51844d
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SHA256
c163e65cc868559fff4c0bdebf125507615d1365f8f5c52d489730f41c0c56c0
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SHA512
6b1507811cf03682f775a68debe1f7b05907aa5861d47380f4158430adb784ffd696a689b7e9a0b31a8f37efe9223b143f544167c86041b90d1c5124aae3d7d5
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SSDEEP
12288:cLZBZu4fJDV2EGnTZr/iAYYzR8LcsAZQqjlXm30UnIIlNuWmGBW3K:cLZPxo5fJRIcsAWqjlXmEzIlNu5AW3K
Static task
static1
Behavioral task
behavioral1
Sample
c163e65cc868559fff4c0bdebf125507615d1365f8f5c52d489730f41c0c56c0.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral2
Sample
c163e65cc868559fff4c0bdebf125507615d1365f8f5c52d489730f41c0c56c0.exe
Resource
win11-20240412-en
Malware Config
Extracted
djvu
http://sajdfue.com/test1/get.php
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extension
.uajs
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offline_id
Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
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ransomnote
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Targets
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Target
c163e65cc868559fff4c0bdebf125507615d1365f8f5c52d489730f41c0c56c0
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Size
797KB
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MD5
38229589bab21566df6e0db25447c1a3
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SHA1
95f14e511cec7d8276648d1388a53059cd51844d
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SHA256
c163e65cc868559fff4c0bdebf125507615d1365f8f5c52d489730f41c0c56c0
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SHA512
6b1507811cf03682f775a68debe1f7b05907aa5861d47380f4158430adb784ffd696a689b7e9a0b31a8f37efe9223b143f544167c86041b90d1c5124aae3d7d5
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SSDEEP
12288:cLZBZu4fJDV2EGnTZr/iAYYzR8LcsAZQqjlXm30UnIIlNuWmGBW3K:cLZPxo5fJRIcsAWqjlXmEzIlNu5AW3K
Score10/10-
Detected Djvu ransomware
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Modifies file permissions
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Adds Run key to start application
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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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