General
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Target
a0fb85dec00548f95f3db18f567bcb75a9a083eebb637be6c88c2d2bf05e2a35.exe
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Size
773KB
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Sample
241102-n5e1xasrct
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MD5
8fb841a089ce2c1c760ef67e5bde9a08
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SHA1
9ba26c8f25a276a87175ae9eac909a8f4d97fd71
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SHA256
a0fb85dec00548f95f3db18f567bcb75a9a083eebb637be6c88c2d2bf05e2a35
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SHA512
a16739df2c02ea5e2116e1f2283a0f57d0a57e52431fa746c3334df20fbb4e96db6d1c4c5ed47cb92cb491afcd170794a0b31bde1180cff13caaaa9be59aa8e4
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SSDEEP
24576:yoYAPo8TjClMteQB+JRVK7Ys4r7eTBp7cE7qzuS:yJFQjI9m+c7FpBZ7Iu
Static task
static1
Behavioral task
behavioral1
Sample
a0fb85dec00548f95f3db18f567bcb75a9a083eebb637be6c88c2d2bf05e2a35.exe
Resource
win7-20241010-en
Malware Config
Extracted
quasar
1.3.0.0
VTROY
31.13.224.12:61512
31.13.224.13:61513
QSR_MUTEX_4Q2rJqiVyC7hohzbjx
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encryption_key
7Vp2dMCHrMjJthQ2Elyy
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install_name
downloads.exe
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log_directory
Logs
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reconnect_delay
5000
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startup_key
cssrse.exe
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subdirectory
downloadupdates
Targets
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Target
a0fb85dec00548f95f3db18f567bcb75a9a083eebb637be6c88c2d2bf05e2a35.exe
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Size
773KB
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MD5
8fb841a089ce2c1c760ef67e5bde9a08
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SHA1
9ba26c8f25a276a87175ae9eac909a8f4d97fd71
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SHA256
a0fb85dec00548f95f3db18f567bcb75a9a083eebb637be6c88c2d2bf05e2a35
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SHA512
a16739df2c02ea5e2116e1f2283a0f57d0a57e52431fa746c3334df20fbb4e96db6d1c4c5ed47cb92cb491afcd170794a0b31bde1180cff13caaaa9be59aa8e4
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SSDEEP
24576:yoYAPo8TjClMteQB+JRVK7Ys4r7eTBp7cE7qzuS:yJFQjI9m+c7FpBZ7Iu
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Quasar family
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Quasar payload
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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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Suspicious use of SetThreadContext
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