General
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Target
f6772941ad92d79142edd87d77b5169c2887e0abc28561efb6fed056c287fcc0
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Size
791KB
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Sample
221009-rcar9shcak
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MD5
bfd1d31196f7df3a2dd5967a6e4e7e6e
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SHA1
cb23db2bb8b778a1f1cc44b49ec6f0f687e61b80
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SHA256
f6772941ad92d79142edd87d77b5169c2887e0abc28561efb6fed056c287fcc0
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SHA512
692e18395deef89509443001cbcd8bbacfaea2a1a080c63a0c46e27af3c58dbc64678fe7a6102cc6e142f718884eb540464f4be0317e208ea039c32f45a5c144
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SSDEEP
12288:23VfnjcfcyK9BnMwXxzRrEEaUz4ic5R09h+3gJmbgdkm4YXJxBqVd:2FfnjPr9BMsz1iUEiORcegJ3km4xV
Static task
static1
Behavioral task
behavioral1
Sample
f6772941ad92d79142edd87d77b5169c2887e0abc28561efb6fed056c287fcc0.exe
Resource
win10-20220901-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.tohj
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offline_id
SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Targets
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Target
f6772941ad92d79142edd87d77b5169c2887e0abc28561efb6fed056c287fcc0
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Size
791KB
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MD5
bfd1d31196f7df3a2dd5967a6e4e7e6e
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SHA1
cb23db2bb8b778a1f1cc44b49ec6f0f687e61b80
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SHA256
f6772941ad92d79142edd87d77b5169c2887e0abc28561efb6fed056c287fcc0
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SHA512
692e18395deef89509443001cbcd8bbacfaea2a1a080c63a0c46e27af3c58dbc64678fe7a6102cc6e142f718884eb540464f4be0317e208ea039c32f45a5c144
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SSDEEP
12288:23VfnjcfcyK9BnMwXxzRrEEaUz4ic5R09h+3gJmbgdkm4YXJxBqVd:2FfnjPr9BMsz1iUEiORcegJ3km4xV
Score10/10-
Detected Djvu ransomware
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Downloads MZ/PE file
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Executes dropped EXE
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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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