Behavioral task
behavioral1
Sample
4712eecd80b2276aa79c444d165a0e6c6a3ab0d7f535afad704efc7519bff00d.exe
Resource
win7-20240903-en
General
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Target
4712eecd80b2276aa79c444d165a0e6c6a3ab0d7f535afad704efc7519bff00d
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Size
3.1MB
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MD5
952c395d389a3bdc237c944bf1331b60
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SHA1
5fc20754fdd26e2f115dfe13b88762131fe8533f
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SHA256
4712eecd80b2276aa79c444d165a0e6c6a3ab0d7f535afad704efc7519bff00d
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SHA512
8b486a2dce469638dc8e355b1581af65d109406eb1df015125b350f94cf8c2f83b6c91ba9f46decb67b6650a4d011236e212a41b1220d6aedde7070c5a8ee824
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SSDEEP
49152:Vvht62XlaSFNWPjljiFa2RoUYIdqWhybRjPLoGddJfTHHB72eh2NTv:VvL62XlaSFNWPjljiFXRoUYIdqWhWTO
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.0.17:5555
3b1732e2-6a81-44bb-8d99-4472451b1cf3
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encryption_key
871AD53C1EE1C8F197D53D3E1DCA45CC62B82B8D
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install_name
javaconfig.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
JavaUpdater
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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 4712eecd80b2276aa79c444d165a0e6c6a3ab0d7f535afad704efc7519bff00d
Files
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4712eecd80b2276aa79c444d165a0e6c6a3ab0d7f535afad704efc7519bff00d.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: 9KB - Virtual size: 8KB
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