General
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Target
Client-built.exe
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Size
3.1MB
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MD5
c5807c538665509c9c44356cd82a785d
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SHA1
e97dd1a36a23ab468a2002f2c7ebc62c1e68f240
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SHA256
cf12af32289d5d1913e941419e809fb0d8bb24ba17adc1b6e108075acce35d1f
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SHA512
5bfa426685a5973b09ab550dd035921251061974b1e442307fd8dd858d2796f803c9f4be22ef4e9ccd233015c45b88e9088890d351bcd3188dada33cbdd54cd7
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SSDEEP
49152:uvnI22SsaNYfdPBldt698dBcjH6fPR3XoGdfjRTHHB72eh2NT:uvI22SsaNYfdPBldt6+dBcjH63Rn
Malware Config
Extracted
quasar
1.4.1
zzzz
4.tcp.ngrok.io:16868
116e2822-047d-4b5c-ad10-563148a1a28e
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encryption_key
C366BC97216329D1909524412E3ECB1EBC575D07
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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
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