Behavioral task
behavioral1
Sample
Client.exe
Resource
win7-20240221-en
General
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Target
Client.exe
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Size
3.1MB
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MD5
06c48b0057d41710e891201feb25782a
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SHA1
1910dedf7da045aa142c2606ee4aa55729241178
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SHA256
5a0c1f8c117e97ea489329daaf64834554dcabd0263480675c6277b17f70f4f4
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SHA512
818a46ce9fabaa244d74cffe435ea2e2740bf1e20da49402b3bb1147b994f979cf89e06ee0d3302a8c4fa33d4cfc2dc7f9eeb612125478cef4da9e4899ea9bed
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SSDEEP
49152:fvnI22SsaNYfdPBldt698dBcjHPCZ1JTLoGdgDfTHHB72eh2NT:fvI22SsaNYfdPBldt6+dBcjHPC5w
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.178.113:4782
3caeec85-698d-4fb5-8dcc-d8a134c7032a
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encryption_key
84878E668DB7327880C001BFC6CE91226EBE60EF
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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 family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Client.exe
Files
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Client.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ