General
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Target
MSFS 2024 UPDATER.exe
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Size
3.1MB
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MD5
5061f9f48893af28f93d03dcfb71da43
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SHA1
df81a197c29598332480a0e3fb32b69d31ee985e
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SHA256
24361c88cec81a0e499d9c5b3acb69e6d9287515a12633b0a0034d2b67bf2d07
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SHA512
3734e4acf53f921578eeb27cb0c2b2fb689812116e5e187e8afb1f83563da5e11ebbfce025f43ec7b6abac46fa8d6eabaf0cbcbb29701672e331576876ef5ab4
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SSDEEP
49152:rvXlL26AaNeWgPhlmVqvMQ7XSK9xOEMkIk/JxroGdPxTHHB72eh2NT:rvVL26AaNeWgPhlmVqkQ7XSK9xn5
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.37:4782
49b0d307-a06e-42f0-b4dd-ceae2c88d2f0
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encryption_key
B73F224CF41A826EF2EC1843B90021541FBE12A9
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install_name
MSFS_2024_UPDATER.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
MSFS_2024_UPDATER
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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 MSFS 2024 UPDATER.exe
Files
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MSFS 2024 UPDATER.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