General
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Target
f672fca65253e29223346f9f19468bcf77345414d8bb85f58a1f15425dcb6d6f
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Size
2.4MB
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Sample
241229-3ad8fszndq
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MD5
784260bbf2c8f92a2cd0552900a1983e
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SHA1
1eb1608eb7aabf22f3080685f15672a7986e5b95
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SHA256
f672fca65253e29223346f9f19468bcf77345414d8bb85f58a1f15425dcb6d6f
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SHA512
c60df4c3646dd957361041e7298c06d0777c0d539739157b1a517a4ce6d3013a9e1d515f19d29b17a4ffcd93b05f4c02fbce23656dc00985d3f14e6604bbb1a6
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SSDEEP
49152:3KOKKMIKOMSSMgyzMQPNNg6qP9GpwqkEpaAo7Yryvs+Nio:3KOKQ9pqP9GeKo7Yryvs+
Static task
static1
Behavioral task
behavioral1
Sample
f672fca65253e29223346f9f19468bcf77345414d8bb85f58a1f15425dcb6d6f.exe
Resource
win7-20240708-en
Malware Config
Extracted
quasar
1.3.0.0
2025
win32updatess.duckdns.org:1
QSR_MUTEX_VKitseSn9Cn8XocDzU
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encryption_key
dz4iQKTjWYrscDgj45Ki
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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
Quasar Client Startup
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subdirectory
SubDir
Targets
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Target
f672fca65253e29223346f9f19468bcf77345414d8bb85f58a1f15425dcb6d6f
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Size
2.4MB
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MD5
784260bbf2c8f92a2cd0552900a1983e
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SHA1
1eb1608eb7aabf22f3080685f15672a7986e5b95
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SHA256
f672fca65253e29223346f9f19468bcf77345414d8bb85f58a1f15425dcb6d6f
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SHA512
c60df4c3646dd957361041e7298c06d0777c0d539739157b1a517a4ce6d3013a9e1d515f19d29b17a4ffcd93b05f4c02fbce23656dc00985d3f14e6604bbb1a6
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SSDEEP
49152:3KOKKMIKOMSSMgyzMQPNNg6qP9GpwqkEpaAo7Yryvs+Nio:3KOKQ9pqP9GeKo7Yryvs+
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Quasar family
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Quasar payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Drops startup file
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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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