General
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Target
file.exe
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Size
3.0MB
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Sample
241208-y29ffsylbp
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MD5
25ae2a8e59da886dbc3192b12e000ffa
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SHA1
c384fbee5a29be18571d293c1e20a36d044bd86a
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SHA256
d951b4352f6e4f9ef63cbbabac6cae41d3de37d26dee4b4890d60b52d51ddbb4
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SHA512
246a2948f880231fe597a4c6cfb1f8acbbc7173f73752532dd2049697cd4165c6d1e966a1a598d260053e1f4aeebf0472ffedc4aec56c8233899c965c7fc6736
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SSDEEP
49152:auZju5PuuzE2wJMTFuUPHghJW5eqdCMuWnLBuU5ZHWIcCm:xjuFumw0Fu2gho5e4nLB5L
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
Malware Config
Extracted
quasar
1.4.1
Office04
45.200.148.155:6060
4b3820e0-d123-49d9-b51e-3c4daa4f6874
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encryption_key
F8879E9B26846C57C99B6F152F74703E1CC15B8B
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install_name
SecurityHealthSystray.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
SecurityHealthSystray.exe
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subdirectory
SubDir
Targets
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Target
file.exe
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Size
3.0MB
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MD5
25ae2a8e59da886dbc3192b12e000ffa
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SHA1
c384fbee5a29be18571d293c1e20a36d044bd86a
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SHA256
d951b4352f6e4f9ef63cbbabac6cae41d3de37d26dee4b4890d60b52d51ddbb4
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SHA512
246a2948f880231fe597a4c6cfb1f8acbbc7173f73752532dd2049697cd4165c6d1e966a1a598d260053e1f4aeebf0472ffedc4aec56c8233899c965c7fc6736
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SSDEEP
49152:auZju5PuuzE2wJMTFuUPHghJW5eqdCMuWnLBuU5ZHWIcCm:xjuFumw0Fu2gho5e4nLB5L
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Quasar family
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Quasar payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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