General
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Target
Client-Built.exe
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Size
3.1MB
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MD5
a83d80a0db9a509be7acfa3c7ba9a066
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SHA1
6e3c59fc948ae86e8d2d38e42b232e397f40bc48
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SHA256
6bc733f11af6d7dce26816caa4e0bfba8f72db07c997b043619186a2e85589ed
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SHA512
eaef06a27315caf66127a0024831444ba85c621f50b73ba31c105fc0987902214226c83fbec005de3c0603d0bfff00516a44d63a64cd4301abb3fc2967bd1c99
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SSDEEP
49152:bvzlL26AaNeWgPhlmVqvMQ7XSKmAu4WDfR9YoGdfTrNGTHHB72eh2NT:bvpL26AaNeWgPhlmVqkQ7XSKmf4jv
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.0.177:4782
fd713a2a-810e-4800-b077-4b0e564f16e9
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encryption_key
6B559FBA33993D944FD324F1D59D7F6E5BD04C2E
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install_name
WaveKeysGenrator.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
RATS
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Client-Built.exe
Files
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Client-Built.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