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Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240903-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
26be42d7c0a7e72352015d36f8359f39
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SHA1
ae8d5520128a5851161f53f549b2848c21b380be
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SHA256
bde55fc54af61ab48291e3da95de4583ac712a546898cb80d2f1a3b9d61cd943
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SHA512
60134b8b212e8bc3dec13fb90748a594cdf275265d2ed55a6719fed96b246a9e4f2b71080ab4effe2aefdc1108f27e53e423718fd8502b54ab3153cca44da54b
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SSDEEP
49152:Lv6lL26AaNeWgPhlmVqvMQ7XSKzFhRJ61bR3LoGdCOTHHB72eh2NT:LviL26AaNeWgPhlmVqkQ7XSKzjRJ6HS
Malware Config
Extracted
quasar
1.4.1
sigma
192.168.1.35:4782
f0e2a556-a493-438f-96ae-a0a36490d4a7
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encryption_key
2E8E60D973DF9D3760020D9B3785B9D56136B0B0
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install_name
xbox-connect settings.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
XWARN
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