Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win10v2004-20250314-en
General
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Target
Client-built.exe
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Size
1.9MB
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MD5
46e15951b8bcf47690ab6aea44fe989f
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SHA1
89223807bb1e72cbd49599636734b2f93beda276
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SHA256
505ea567d35277947cfaaaf37e16abdf782ada70992f2ff696c37c212f66aae3
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SHA512
118a2fe1140ae54f5abfbc60b1f3a9f548f276a05130afcedba51c0f85af9df3e91e6f6557ac857571772b9c0780fe6d78925bed7ec8bfab185aa94a031717ae
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SSDEEP
24576:Y1JFopYS2eWBRwRR16zhHIPbcNK0KKm77yviUSQaZaOwI55l2S62r9exnsDtR9:Y7F37wR2EgKKm77LrwCB6Tc
Malware Config
Extracted
quasar
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encryption_key
43EB246F63BA6C5E8F1B8F576653410351E57F4E
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reconnect_delay
3000
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 Client-built.exe
Files
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Client-built.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 1.5MB - Virtual size: 1.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 364KB - Virtual size: 364KB
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