General
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Target
GrayWolf.exe
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Size
5.4MB
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Sample
250104-rbrpdsvlcr
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MD5
fc880e4806da9ef322b4918ad89880bd
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SHA1
a359064fce75722488038c4316deb7354cef87b5
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SHA256
608e5234a2745f72909b5e002176149df66e39c36217fcc4826f13dba9e0153e
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SHA512
ea43f38145b4493a0a2ed5a7fa6997dd86573530a479e7593928629f74106430e2e45ee15e156f6f3c648d164d909db0591fb0407034037e79d3175b146471da
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SSDEEP
49152:DF/5OwXqsw+mw6j4w6SAZplWz3SUcSUWrXxRyJQfSqF6kr3Az0L:D/B0rQgCUcSUWOv98JL
Behavioral task
behavioral1
Sample
GrayWolf.exe
Resource
win7-20240903-en
Malware Config
Targets
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Target
GrayWolf.exe
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Size
5.4MB
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MD5
fc880e4806da9ef322b4918ad89880bd
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SHA1
a359064fce75722488038c4316deb7354cef87b5
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SHA256
608e5234a2745f72909b5e002176149df66e39c36217fcc4826f13dba9e0153e
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SHA512
ea43f38145b4493a0a2ed5a7fa6997dd86573530a479e7593928629f74106430e2e45ee15e156f6f3c648d164d909db0591fb0407034037e79d3175b146471da
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SSDEEP
49152:DF/5OwXqsw+mw6j4w6SAZplWz3SUcSUWrXxRyJQfSqF6kr3Az0L:D/B0rQgCUcSUWOv98JL
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Detect Neshta payload
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Neshta family
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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 system executable filetype association
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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