Behavioral task
behavioral1
Sample
942e216bf41aea0642c7f219560630dc21d29219920e90be79e990e6387a3a9a.exe
Resource
win7-20240729-en
General
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Target
942e216bf41aea0642c7f219560630dc21d29219920e90be79e990e6387a3a9a
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Size
3.1MB
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MD5
c3e8ea545254bb9d01bff3f53668e04f
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SHA1
84bfec02d33d829736407744504c271f71c21078
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SHA256
942e216bf41aea0642c7f219560630dc21d29219920e90be79e990e6387a3a9a
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SHA512
84933b3fc7a888673079c2fccf987189777fc20831eb76cc3f4b94cf960c0c74831b98892781f2e9053c97de7818922fd6a950a8aaccaf696903b536972f0b38
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SSDEEP
49152:OUd1/DM2zv8aMlqCPwln5+Hjdh+Euvr9+VZzNAxoGnjwTHHB72eh2NTe:OUPrM2zEaMlqCPwln5+Ddh+Zvr4zq1k
Malware Config
Extracted
quasar
1.4.1
rat1
147.185.221.24:15249
da67ff1b-f911-4ad4-a51c-c7c5bd13aeb3
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encryption_key
AB7A97D9E0F9B0A44190A0D500EAB7AF37629802
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install_name
System32.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
System32
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subdirectory
System32
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 942e216bf41aea0642c7f219560630dc21d29219920e90be79e990e6387a3a9a
Files
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942e216bf41aea0642c7f219560630dc21d29219920e90be79e990e6387a3a9a.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