General
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Target
Client-built.exe
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Size
3.1MB
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MD5
158928bfbb468fd43c68a774fc5f0a5d
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SHA1
e34e63eb1730a03f02e934ed15909cb8d3149d4a
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SHA256
f6eb85e0555ec0d7eb230a42c566e34fa9cc4783b746f6371b990e6893fb599b
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SHA512
71e5bcf647be5b176702c8f2a66fe4ad559f2e1e98870f2b5aeb4d8931f1871fb74b6b73d91e280bf51efc4907d15c6160cd3c0f2d452f5232a2a5ed026531c3
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SSDEEP
49152:HvSI22SsaNYfdPBldt698dBcjHggxK1v4LoGY6TTHHB72eh2NT:Hv/22SsaNYfdPBldt6+dBcjHggx1
Malware Config
Extracted
quasar
1.4.1
bebe
211.ip.ply.gg:36614
31d3ce94-d82a-419f-acc0-a09b29233ca3
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encryption_key
504CC1CB6E2737DD9B7CF64F5147DB1225BEFC8C
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install_name
Runtime Broker.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
RealtekHDAudio
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subdirectory
RealtekHdAudio
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-built.exe
Files
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Client-built.exe.exe windows 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