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Behavioral task
behavioral1
Sample
1bbf7d818b40f8fa0da224e39f27829bb7d8a8bdbec66fa62cfba39cd0d6d3fd.exe
Resource
win7-20240903-en
General
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Target
1bbf7d818b40f8fa0da224e39f27829bb7d8a8bdbec66fa62cfba39cd0d6d3fd
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Size
3.1MB
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MD5
35110eedb3518d1905b88025bf11b77d
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SHA1
c39e96cc0dcb14065984c3d3fbff331070e37feb
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SHA256
1bbf7d818b40f8fa0da224e39f27829bb7d8a8bdbec66fa62cfba39cd0d6d3fd
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SHA512
08a3db05d373eb18f9b86fcea5b4338bd4cf3ca60df9906873bc0eb4d2dd6bc544890d23543df9be0848647d89a14d51010a7498bf8041c6872d8af768e035d2
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SSDEEP
49152:DvDI22SsaNYfdPBldt698dBcjHEhE3uarOLoGdtTHHB72eh2NT:Dv822SsaNYfdPBldt6+dBcjHZ3I
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.55:4782
87124d35-b950-4c06-bdf9-de6bd7aaa9ef
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encryption_key
CF3A949D653E8E253D64DB361EE16669CD9DE402
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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 1bbf7d818b40f8fa0da224e39f27829bb7d8a8bdbec66fa62cfba39cd0d6d3fd
Files
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1bbf7d818b40f8fa0da224e39f27829bb7d8a8bdbec66fa62cfba39cd0d6d3fd.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