Behavioral task
behavioral1
Sample
RuntimeBroker.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
RuntimeBroker.exe
Resource
win10v2004-20241007-en
General
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Target
RuntimeBroker.exe
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Size
3.1MB
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MD5
bdec971d6eb3ebfa2000191a40525746
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SHA1
59f362a302cd3fba7c10c16ffac83eb2f099104f
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SHA256
4e2877d8f39535f2a6073174952795bb2f7587f4343a8c449b64cc211ee683bd
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SHA512
c8a7e7bc180c6634732b3e4f42cc5029523882348d43272ac598f6640b9fb927b302ba2f35933e3c21efb77a1e902e66791a08a3fdc3b2677b15e306f4c664cd
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SSDEEP
49152:Tv/lL26AaNeWgPhlmVqvMQ7XSKOJu6cBxXCoGdJTHHB72eh2NT:TvNL26AaNeWgPhlmVqkQ7XSKV6x
Malware Config
Extracted
quasar
1.4.1
RuntimeBroker
hahalol-49745.portmap.host:49745
6ba66483-7407-4bb1-85ea-d79258d3bf46
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encryption_key
AAFD116557051025FAE9863551E989343167ADDF
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install_name
RuntimeBroker.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
a5
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