Behavioral task
behavioral1
Sample
s.exe
Resource
win7-20240903-en
General
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Target
s.exe
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Size
3.1MB
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MD5
c710a6667ea3c649ee266a981893440d
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SHA1
064314508d0579b471c568741ce170f1d6ce61d3
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SHA256
1ea872be9eeda2c5637a2f53b1121e88417bf0bff95fc12a2aeee9c48f0664e3
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SHA512
f9cc489459127a011f4e883f53d20c146d1ee2410e77b0c767162b11e42d2c3b19fb7fb40df841ce6c18bc3f3ad1b453de7692abaa69db71373c5a953fd31fe6
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SSDEEP
49152:bvTlL26AaNeWgPhlmVqvMQ7XSK2ixNESEXk/idLoGdSTHHB72eh2NT:bvJL26AaNeWgPhlmVqkQ7XSKfxeV
Malware Config
Extracted
quasar
1.4.1
Office04
per-cassette.gl.at.ply.gg:41388
96621e5e-be82-4575-8b94-bb078b016935
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encryption_key
8372309E4F7DFDD0DD443E979B8B9374D4F2B48F
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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 s.exe
Files
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s.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