Behavioral task
behavioral1
Sample
ty.exe
Resource
win7-20240729-en
General
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Target
ty.exe
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Size
3.1MB
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MD5
672bdc7614414232747ca01e62e5f5a7
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SHA1
f758cd199f358f16827bb5cd8b7f9b3dd919287a
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SHA256
59d1eb9be3fc75957b1bfb05025d89d2bd46394151d551f18b744442dd674fb4
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SHA512
b2af35081892ee4e6eba9e849b1cbe7eed984dab45dbd8cc6e7e875d67a774c3fa178628ffa84d1477a357d7a8143648e49ba323c6234a1e6ee4d53158dff29b
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SSDEEP
49152:tCGzoWlljW7K1YK1FD9nVHHmxLAeTOTHHB72eh2NT:t/DnjWPK1FD9nVnmR
Malware Config
Extracted
quasar
1.4.1
Office04
147.185.221.20:18563
147.185.221.20:9835
c2e1b18a-ce93-436d-ad8b-21bf89015e19
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encryption_key
9E968F05BD874BA1BE086FD1774A027473823F49
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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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 ty.exe
Files
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ty.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