Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240508-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
609144570b9af0223264e261e36384cf
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SHA1
2c2525c75e2af3cdeebec03d82257c3c29617595
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SHA256
4942f8a2d315d2e65197abd6cf9330d2d025dcfd8c51ce7fda149c8f7605ab9a
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SHA512
45684c59597c1fec9a16a0fe936c6500ae61403318a34321eaf91db70b1ca4c9ad04d4a0fbe08d01258f2b996b1ebcd99c407239986f28f77bd613a554021ded
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SSDEEP
49152:bvTlL26AaNeWgPhlmVqvMQ7XSKa4m+mz6LoGdMCzsTHHB72eh2NT:bvJL26AaNeWgPhlmVqkQ7XSKa4mw8Cz
Malware Config
Extracted
quasar
1.4.1
Office04
com-cathedral.gl.at.ply.gg:60312:60312
7275eed2-cfc2-4aaa-85a9-989867afc89d
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encryption_key
1F7D88978B03E5C08F9DEDBD0A0F2EF673BE9527
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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 Client-built.exe
Files
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Client-built.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