General
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Target
Spoofer Update.exe
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Size
3.1MB
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MD5
a5e9a238ee312ea3045cb27d5c0a01a5
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SHA1
0c5bd99329fec3af617b71ed9eb6ab1edab57abe
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SHA256
2e4aad8257ebb0fc09ad728d3ed8558bd2e620d3336332a413e8c254ca21e41b
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SHA512
9ac45bd19e990bd54888ce6b90b7c8851eff62be3439d42cb1f9de0d4ad73bb5af7c281f3bd2d0ce0680cf4126898f24051c3a4ffb6cdcdf0a414547928f00c4
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SSDEEP
49152:DvDI22SsaNYfdPBldt698dBcjH2zRJ6qbR3LoGdJ8ArTHHB72eh2NT:Dv822SsaNYfdPBldt6+dBcjH2zRJ6Ea
Malware Config
Extracted
quasar
1.4.1
Office04
Bweezys-44502.portmap.host:34107
1d720ca2-fc3a-4533-8300-74afceea3a93
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encryption_key
C0CDED8DDB03E1B037472315F6569B1352DAC01B
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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
System
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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 Spoofer Update.exe
Files
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Spoofer Update.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