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
0ce4fdaf85397833c486de4cee4bab26
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SHA1
a80b5273a340e0ebc95ce8e1a643f7fc0347153c
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SHA256
8281d71efcdc4a31140455be8ea5bfe040064cc2d2b68ef1722ed65ce9e937de
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SHA512
d05f607ffc2cf6876022fce6c09fbf6b70c17a46a57c6fc29bf06784d0b2aaee9c2f27dbcb0ecb096d4af7d724f9d8553008e112095a7b252d7a0334fc3d99ac
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SSDEEP
98304:BGh5ziNlRUaub+MPDrc/c+NmXnKyFrsqCRHIs2iTa2UUePNlcF134zJM7ts4J6:B3NlqaubXgUCqCdjmMJJ
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: 11
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: 6.0MB - Virtual size: 6.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.sdata Size: 512B - Virtual size: 177B
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