General
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Target
RuntimeBroker.exe
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Size
3.1MB
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MD5
61a3f6d8dab4b5349757ca1b7b76e2bb
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SHA1
6eba02e441024178612e86ac2036c4f539305bc8
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SHA256
c5b4e58eb2e88122301ee2569a31632857284c1a89ac2d3670cc1576ec1a6a73
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SHA512
c96105ae7152c1cb5db73ebcd286e93988b8d3574e8a5958883fb06d397cfac65b8515745b823db3dd40b6ea157a284565b34cc170d1dc2872a3dbb78edda911
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SSDEEP
49152:vvSe821/aQWl8P0lSk3aKA3Z+nUlRJ6abR3LoGdHTHHB72eh2NT:vvp821/aQWl8P0lSk3DA3Z+nUlRJ60
Malware Config
Extracted
quasar
1.4.1
VIRGEN
holefo2785-22820.portmap.host:22820
2aade54c-f664-4620-a4fa-9372bacfbe94
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encryption_key
14B98F14C8A2574E32B0396E72660E0C80B14AC2
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install_name
RuntimeBroker.exe
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log_directory
Logs
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reconnect_delay
1000
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startup_key
Runtime Broker
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subdirectory
migration
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