General
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Target
Horion.exe
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Size
3.1MB
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MD5
be1bc2db722d74fc37273d9a5f0ad0c7
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SHA1
6d7733b8baa075b7985af9472c525bfcf06fe844
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SHA256
24b24a8acecace9c2a2458e6a20d9b189941f67650495d23dccbd221ee3fa0c0
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SHA512
642ca4213804773cb08bd7910033eefd071d365506fe6bbbd4b33ca2ee84582464b8fc28845b05e6dcc127f6d92d58470e2ca02ae1820ade78b5fb67ac125812
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SSDEEP
49152:KvyI22SsaNYfdPBldt698dBcjHdlu9arCLoGdtntTHHB72eh2NT:Kvf22SsaNYfdPBldt6+dBcjH3uZ
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.142:4782
86460cae-a6f8-4f9c-b5a2-bda15a6e6c82
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encryption_key
6773B9CF7165212FC8CCC0FA4F90A6A179D61AAA
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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 Horion.exe
Files
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Horion.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