General
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Target
$77-Venom.exe
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Size
534KB
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Sample
240208-cxhahsaf8s
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MD5
ac2e0dc8d409951c34e10105738c0819
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SHA1
644f9ecf7dd774bcf0ebd551344866f3311b4ddb
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SHA256
f2d6e1e9007b693c4ef5b7a8ee56c4bf24594620a43c16d752fe79dc60132270
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SHA512
a0c2c24375db71dd7617f52c24824f760a80a9a2e77fe0f3bcc1518fbf0cefc11e41aa9af65231e9bb1d1d91a0653aefb1bb650e701922152fc8844f0b56535a
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SSDEEP
12288:0kxfIayFM+jJ2vemr+mf7B+yVkzFBtFET:0wPyFMyEr+mFzyFs
Behavioral task
behavioral1
Sample
$77-Venom.exe
Resource
win7-20231129-en
Malware Config
Extracted
quasar
2.1.0.0
mariojudah
127.0.0.1:4782
VNM_MUTEX_a2Jk7sW9n0PjTmaEMn
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encryption_key
1zzvalSEUSRsWGZTAdB5
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Venom Client Startup
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subdirectory
SubDir
Targets
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Target
$77-Venom.exe
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Size
534KB
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MD5
ac2e0dc8d409951c34e10105738c0819
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SHA1
644f9ecf7dd774bcf0ebd551344866f3311b4ddb
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SHA256
f2d6e1e9007b693c4ef5b7a8ee56c4bf24594620a43c16d752fe79dc60132270
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SHA512
a0c2c24375db71dd7617f52c24824f760a80a9a2e77fe0f3bcc1518fbf0cefc11e41aa9af65231e9bb1d1d91a0653aefb1bb650e701922152fc8844f0b56535a
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SSDEEP
12288:0kxfIayFM+jJ2vemr+mf7B+yVkzFBtFET:0wPyFMyEr+mFzyFs
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Quasar payload
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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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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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