General
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Target
RuntimeBroker.exe
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Size
3.1MB
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MD5
a2f4860ad05a29d90e63f7a2f42dd1d9
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SHA1
c4f6c99b7e6f895114c6e5303391f3839bc4ed7c
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SHA256
545155733d81e6f53f8aaf0aa36ea26dcaf8d07ede5059a22b095050fd766c4c
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SHA512
d9e82e2470cc95ebfb4eee7c466d16e52e1de2e8819b4a18b9edff476744b5cbf2233b966b22ff80cdbcf2557d704840e9aade9d83cfffa6680f54824dce3c37
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SSDEEP
49152:rviG42pda6D+/PjlLOlg6yQipVA4mLmz9LoGdSTHHB72eh2NT:rvF42pda6D+/PjlLOlZyQipVA4my
Malware Config
Extracted
quasar
1.4.1
revershe
holefo2785-22820.portmap.host:22820
3292df4f-7857-466e-995d-33740d2e756e
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encryption_key
14B98F14C8A2574E32B0396E72660E0C80B14AC2
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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
RuntimeBroker
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subdirectory
discord\Network
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 RuntimeBroker.exe
Files
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RuntimeBroker.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