General
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Target
BT.exe
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Size
3.2MB
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Sample
250205-htwlmavqgt
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MD5
a2f9781e42a8da5eb3cbe8a4dba009e6
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SHA1
61baaae3da49b0985fa32e6ef9c6ca7a422e0eb4
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SHA256
c6d8cde7cd9d0731356ae426c5b6d3d7a8ab05143fa78d257af9b9d037be7b49
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SHA512
fc5b0416333ba59d7af489255f258db879bf1b7639000a54ff233b100cb50ff57f0026512d58fb540d87cdac0a398c1b796ef4156cd8293e4a1978b2f4c0aa15
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SSDEEP
98304:1OXPiu6YrHfZ1diRq+/gr56mQr+dFiJzqGT4q:Qiu6MfZ1dt+AVq6mei4q
Static task
static1
Behavioral task
behavioral1
Sample
BT.exe
Resource
win7-20241010-en
Malware Config
Extracted
quasar
1.4.1
svchost32
185.147.124.146:4782
70595b2f-92ed-4cab-b358-5e9c155366b4
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encryption_key
B207941BD17A6DAD99D4F816F934730315BCD00D
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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
BT.exe
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Size
3.2MB
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MD5
a2f9781e42a8da5eb3cbe8a4dba009e6
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SHA1
61baaae3da49b0985fa32e6ef9c6ca7a422e0eb4
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SHA256
c6d8cde7cd9d0731356ae426c5b6d3d7a8ab05143fa78d257af9b9d037be7b49
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SHA512
fc5b0416333ba59d7af489255f258db879bf1b7639000a54ff233b100cb50ff57f0026512d58fb540d87cdac0a398c1b796ef4156cd8293e4a1978b2f4c0aa15
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SSDEEP
98304:1OXPiu6YrHfZ1diRq+/gr56mQr+dFiJzqGT4q:Qiu6MfZ1dt+AVq6mei4q
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Quasar family
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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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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory
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