Behavioral task
behavioral1
Sample
Client-builtlocal.exe
Resource
win7-20240903-en
General
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Target
Client-builtlocal.exe
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Size
3.1MB
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MD5
02130800d200407967cb08abbb0aeefe
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SHA1
6df9a3b4879c3d34b51826bd1d9ad0f64c93d11e
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SHA256
8e5a34b932374eae6c3d0d71bef8d34f4f91cc31908ff596533f5fec1a5ff592
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SHA512
dccf995ac63f9386c909608bd948fe41b64aae9df87c6db2cf158de933dd3d8eaabd3215da98911d51af48fab71b992ea72eed3d807c4ebe0d6ef9927c78a84d
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SSDEEP
49152:nvrlL26AaNeWgPhlmVqvMQ7XSKvgEcqBxZCoGdYTHHB72eh2NT:nvRL26AaNeWgPhlmVqkQ7XSKHcd
Malware Config
Extracted
quasar
1.4.1
Office04
suport24.ddns.net:4782
192.168.1.74:4782
b4ad83f8-b608-477d-8395-2274bcaab6d1
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encryption_key
62EF51244AF3535A6A9C77206CD89D5BFECD7E4E
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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-builtlocal.exe
Files
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Client-builtlocal.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