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
8c96c071eba1feb6d0b95381683476e8
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SHA1
d280f72fe528f619d711ee2c4a6f57ec5ddc2ebe
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SHA256
45a724179ae1d08044c4bafb69c7f9cdb4ed35891dc9cf24aa664d75464ceb6d
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SHA512
11e5249278f819a918e8189ec03880a6cddb5eee119090d16afccd73a68177d89c96da4d77f5aae21286bc563cb9b265239d20f7147497dd24a6c1c64656276e
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SSDEEP
98304:nGh5ziNlRUaub+MPDrc/c+NmXnKyFrsqCvZ20z9tXPzRK5RGC42L7lFiZl0umJMx:n3NlqaubXgUCqCBn8rO
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: 6.0MB - 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: 33KB - Virtual size: 32KB
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