Analysis
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max time kernel
144s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
01-08-2024 14:59
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240708-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
ada5a9cddc59be72633eba26835e7a3e
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SHA1
de422e113b92b1d9c6baf46b159e387c5ec5517a
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SHA256
2dbd31f6ed2f964d191b7077c2acecc931648cc2f1a2a43f57b0cbb35d1b72c7
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SHA512
c5fa3e3dd1946995c85fda7fe520b5eb34ef575e0b59fea2e01e51237fe3805a29f9d0eab2701aef9368d68e3d04a70e6f5a985d5d52d9cc1d3bcfe887b1763a
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SSDEEP
49152:bvbI22SsaNYfdPBldt698dBcjHm0xNESEck/iWLoGdZTHHB72eh2NT:bvk22SsaNYfdPBldt6+dBcjHNxjY
Malware Config
Extracted
quasar
1.4.1
Office04
195.88.218.76:4782
4b117633-2647-473d-81f9-9d4abde111bc
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encryption_key
E86E3B923722E3F8294BD35A968E5EA213AFA362
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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
Signatures
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Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2380-1-0x0000000001110000-0x0000000001434000-memory.dmp family_quasar -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Client-built.exedescription pid process Token: SeDebugPrivilege 2380 Client-built.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
Client-built.exepid process 2380 Client-built.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
Client-built.exepid process 2380 Client-built.exe