Behavioral task
behavioral1
Sample
UnionFreeBeta.exe
Resource
win10ltsc2021-20241023-en
General
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Target
UnionFreeBeta.exe
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Size
3.1MB
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MD5
aede48915ee20fd0a295c890cd5d6358
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SHA1
f2a1b241364307a4aa6392644f8af91f5fe9e481
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SHA256
a87bae829ed2396145c0fe182249e6f057a06b230c03165be042c1902167d40d
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SHA512
cb52842b3ab23afed321fdfa18951354bd345a91d37f8a3d999d6ed4252c24448892863a5fe2f97052cac2d8beb3aed245ffdda18c27f6233bebf18de9f81288
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SSDEEP
49152:PvulL26AaNeWgPhlmVqvMQ7XSKflRJ6vbR3LoGdyTHHB72eh2NT:PveL26AaNeWgPhlmVqkQ7XSKflRJ6B
Malware Config
Extracted
quasar
1.4.1
UnionFreeMenu
wydidk-54735.portmap.host:54735
a66c87d1-9ff9-41cd-b89a-e4abdaec6149
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encryption_key
02F7E65772D519DFA0CB988D3EBC116D7AF084EA
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install_name
UnionSZettings.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
UnionMenuLoader
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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 UnionFreeBeta.exe
Files
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UnionFreeBeta.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