Behavioral task
behavioral1
Sample
4c55655c8daeb51fb9592bfd3eb4e29e1a40fc89b13af090c52cbcd4b6390521.exe
Resource
win7-20241010-en
General
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Target
4c55655c8daeb51fb9592bfd3eb4e29e1a40fc89b13af090c52cbcd4b6390521.exe
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Size
3.1MB
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MD5
5c585cd5a2d292a0cb0be6b10cace921
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SHA1
84b90137c36d741a4291aa22f4450c470ed9bd89
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SHA256
4c55655c8daeb51fb9592bfd3eb4e29e1a40fc89b13af090c52cbcd4b6390521
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SHA512
958c91d84c7e163fd473caf91363680347aa452aebdae76a4c01b39da790d003c20af6462bec3663c0208e8680ae2a9042fbc2c8ed8960e062dd51070fa39b27
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SSDEEP
49152:avCI22SsaNYfdPBldt698dBcjHQCv1JSpoGdTvTHHB72eh2NT:avP22SsaNYfdPBldt6+dBcjHQCa
Malware Config
Extracted
quasar
1.4.1
Office04
tieumao1995-51127.portmap.io:51127
4119a2e0-4ae4-4843-8534-99af91a2475d
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encryption_key
DF6316067206E09C1F85138FCEBD56F5D94BF6AE
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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
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 4c55655c8daeb51fb9592bfd3eb4e29e1a40fc89b13af090c52cbcd4b6390521.exe
Files
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4c55655c8daeb51fb9592bfd3eb4e29e1a40fc89b13af090c52cbcd4b6390521.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: 10KB - Virtual size: 9KB
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