General
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Target
3df20b1c9806c327d72824f1b9a4ffcbe702d152fbf11fca42a36c862cbafd0a.exe
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Size
774KB
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Sample
241103-c359jasejh
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MD5
b8fc2efcc33d3160f38fcb6b39319e6a
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SHA1
a61413a5b6c19b4a388e6c89aaa9304c657b3e08
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SHA256
3df20b1c9806c327d72824f1b9a4ffcbe702d152fbf11fca42a36c862cbafd0a
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SHA512
ba4ef7ec5dd7b9ad8ec49ef73315bded8ecc72212b11e3a1384b6d4f3f264867312cda41268a8d1df6fc8c3caa63813c15aa4ff29f0324360a95d59de3456d3b
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SSDEEP
24576:XBx+Lv/QRiHCywDv2JIh7tJIYZFk+XJJ:xeXBm2JIDJNDXJ
Static task
static1
Behavioral task
behavioral1
Sample
3df20b1c9806c327d72824f1b9a4ffcbe702d152fbf11fca42a36c862cbafd0a.exe
Resource
win7-20240903-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
3df20b1c9806c327d72824f1b9a4ffcbe702d152fbf11fca42a36c862cbafd0a.exe
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Size
774KB
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MD5
b8fc2efcc33d3160f38fcb6b39319e6a
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SHA1
a61413a5b6c19b4a388e6c89aaa9304c657b3e08
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SHA256
3df20b1c9806c327d72824f1b9a4ffcbe702d152fbf11fca42a36c862cbafd0a
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SHA512
ba4ef7ec5dd7b9ad8ec49ef73315bded8ecc72212b11e3a1384b6d4f3f264867312cda41268a8d1df6fc8c3caa63813c15aa4ff29f0324360a95d59de3456d3b
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SSDEEP
24576:XBx+Lv/QRiHCywDv2JIh7tJIYZFk+XJJ:xeXBm2JIDJNDXJ
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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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