Behavioral task
behavioral1
Sample
OperaSetup.exe
Resource
win10-20230703-en
General
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Target
OperaSetup.exe
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Size
6.1MB
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MD5
b5735c2582dcb267c8ba9ffe2cc78519
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SHA1
0fd24b669b33da5270d9dd21911081e3541d5f02
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SHA256
1fa96b3fb14c70b7600853bbacbdd0fbff4a0127a2e9b7951513c8c23163bcdd
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SHA512
2fd4edc7dc72e48a5b8a474ab402883c421e4275bc29cde7980380cc0462dd5957c934ae34b67395105639bc818c3c6edf5c116266469fa53612e81831e593fa
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SSDEEP
98304:lGh5ziNlRUaub+MPDrc/c+NmXnKyFrsqCRHIs2iTa2UUePNlcF134zJM7ts4J6:l3NlqaubXgUCqCdjmMJJ
Malware Config
Extracted
quasar
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reconnect_delay
3000
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 OperaSetup.exe
Files
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OperaSetup.exe.exe windows x86
Password: opera
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: 6.1MB - Virtual size: 6.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.sdata Size: 512B - Virtual size: 150B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 31KB - Virtual size: 31KB
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