General
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Target
Runtime Broker.exe
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Size
3.1MB
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MD5
8ee6efc4aed8b25536a9afa6e8bd631b
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SHA1
991bd0da1022703aad79c5df04be8588c6dbbe50
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SHA256
a3373407e232c4e60779439019f971c08e568a22889b2078bd2df8a4e4e3ff8c
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SHA512
ad3f29796140d0889d6fda4e63478dd3a33976595f78ecbb994f0b45ce49a0749a38fe3ca06536b9caed428eeabae9247978bf4d3a8948f9d4785faa6d7a06c1
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SSDEEP
49152:PvelL26AaNeWgPhlmVqvMQ7XSKFwbTCflzoGd/THHB72eh2NT:PvOL26AaNeWgPhlmVqkQ7XSKFYTCfd
Malware Config
Extracted
quasar
1.4.1
Office04
team-circles.gl.at.ply.gg:25349
afe43634-c51c-4666-976a-2703024afea6
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encryption_key
78AF43F549EE55D0FC30D38EC96EAA6F3A3F5CDF
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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
Runtime Broker
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subdirectory
WD Defender
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 Runtime Broker.exe
Files
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Runtime Broker.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