General
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Target
Celestial.exe
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Size
3.1MB
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MD5
12bdd4b4c107fc3ffec7f9b29d7d6a93
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SHA1
04bb395848578e22cef0c90215463e4efe4965c3
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SHA256
af454978c652f9acb95b7c2f45d41ee0ba7923d6e3b3f554af853ef9efff9440
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SHA512
ff4a2c42ac1fed5421955a949cf28c9abb714484bb68259f160516d10a7a179cc6e6327ab2fc2f099ba51a98b25fa5f41ea2af4f3815159e1ce7f75a698b8251
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SSDEEP
49152:nv6lL26AaNeWgPhlmVqvMQ7XSKZkxNESElk/iULoGdldTHHB72eh2NT:nviL26AaNeWgPhlmVqkQ7XSKGxsa
Malware Config
Extracted
quasar
1.4.1
Office04
147.185.221.19:33365
ba5220e2-c4e8-4381-aad8-a85115ef955e
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encryption_key
67C139F3E9A16FF8132A3DCF42197B8BA3C38609
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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
Miicrosoft Securiity
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subdirectory
Miicrosoft Securiity
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 Celestial.exe
Files
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Celestial.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