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General
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Target
stan.exe
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Size
40KB
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Sample
250307-sv57kastew
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MD5
9e4b4a5315b03c1a71af58d86ba9a8bb
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SHA1
cd840a6999f36001c71530e8b25aecd89051dcb5
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SHA256
a1175c5482c526def749a77144d663a9311533ee80174bf1edb6ae904cb1316a
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SHA512
14ca7670f79141630cde454852e280354dcbff6b78d0a33b00efd5f4980aaca5701a7cb4c3d88480f1a9b42658cabc78a3af8c12f9d8b070c2ef520ff8170cf9
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SSDEEP
768:AfDZprWVC0f6FtAnWYSc0RUb9fCrB6S4ogQ6xUd3:Af1ptAYc0Gb9OoXogtxUd3
Malware Config
Extracted
silverrat
1.0.0.0
127.0.0.1:7777
SilverMutex_rRFGGPWbDL
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certificate
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decrypted_key
-|S.S.S|-
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discord
https://discord.com/api/webhooks/1347588263912931471/4fuOJGBeWfPxS355n2A3rAvoaJIHu2buEs4u328VgX04b1AG-Wms_voyFPh7UbKvQmaN
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key
yy6zDjAUmbB09pKvo5Hhug==
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key_x509
VUR3VFRDaUFnUE9PUmJsdlJXVEFlVkdSSEVsU1JB
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payload_url
https://g.top4top.io/p_2522c7w8u1.png
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reconnect_delay
4
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server_signature
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
Targets
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Target
stan.exe
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Size
40KB
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MD5
9e4b4a5315b03c1a71af58d86ba9a8bb
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SHA1
cd840a6999f36001c71530e8b25aecd89051dcb5
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SHA256
a1175c5482c526def749a77144d663a9311533ee80174bf1edb6ae904cb1316a
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SHA512
14ca7670f79141630cde454852e280354dcbff6b78d0a33b00efd5f4980aaca5701a7cb4c3d88480f1a9b42658cabc78a3af8c12f9d8b070c2ef520ff8170cf9
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SSDEEP
768:AfDZprWVC0f6FtAnWYSc0RUb9fCrB6S4ogQ6xUd3:Af1ptAYc0Gb9OoXogtxUd3
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Silverrat family
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Legitimate hosting services abused for malware hosting/C2
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