General
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Target
player tracker source.exe
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Size
3.1MB
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MD5
79b23f9700c2cfe1180cc94dd0ed2d31
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SHA1
951e79cf051fb128b667266ab1341e620b980173
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SHA256
a2b88e25b1626cbfac4f4d6734becfecd655a89da195e81e26ae729200043fd8
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SHA512
e819baf8ecd86d58d486ce53ebb6598c0e436220d422e14b3945c63d869bfca299c9069f18b57231c7d2788d10ad419787cfd093976a4882da8208bc9b7bffa7
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SSDEEP
49152:HvDI22SsaNYfdPBldt698dBcjHkx6TBxEsoGdRTHHB72eh2NT:Hv822SsaNYfdPBldt6+dBcjHK61
Malware Config
Extracted
quasar
1.4.1
Office04
255.255.255.0:4782
c5c0225f-92c8-45a3-8b4e-43c9383703ba
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encryption_key
2C9AF81488324786F38644244B002DFBC04966DB
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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 player tracker source.exe
Files
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player tracker source.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