Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win11-20241007-fr
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
06f2bf9b401d06ce6c91498ead63e2a1
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SHA1
b90040aacdde3a0dbb310a672cb6f6b8537c3875
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SHA256
1815a7d64f7c44b2eeb9560c62d8f805f85f0abd7a5119940bece4ba75a98721
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SHA512
95400aa5f057aecfe817cca3ca5250dc8727407806a662a84f2d293998c014710850a97a76f70cfb1cb674b4b9c1d9533a0b7d2a74723592b0fa849e1640a9ed
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SSDEEP
49152:MvPlL26AaNeWgPhlmVqvMQ7XSKrp12xoGdmTHHB72eh2NT:MvdL26AaNeWgPhlmVqkQ7XSKrp1k
Malware Config
Extracted
quasar
1.4.1
LisaSuceMoi
valouzz1234-60474.portmap.host:60474
eb21c27a-76a8-4d9b-bf47-98f413c746f5
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encryption_key
4B5EEB0652E6BEA43CC995383C7934AFE315C272
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install_name
reg32.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Updater System
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subdirectory
Windows Updater
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: 18KB - Virtual size: 17KB
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