Behavioral task
behavioral1
Sample
OperaSetupDeveloper.exe
Resource
win10v2004-20230220-es
General
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Target
OperaSetupDeveloper.exe
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Size
3.1MB
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MD5
36e36b5e0d02777571f4aac03fad2b83
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SHA1
283d4071b45b2fa90a857beb31eb90236e9745ad
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SHA256
71c51975615bbc3dc8253124f459a945c93b634e1cd8f72705759f966c2d6008
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SHA512
e1816de67f5d99c2ecfe47955ceb653dcc88cfe977a3f5982134c2d0f10f1cf05f3d4b7a7027a3eeb354f1b18fa11499d9f950a7ee0dca91784a67d333808000
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SSDEEP
98304:cs53i0phI3bcUijAFTVAWeh0vgdQCUgNTXEzmfVcYy0tfG9gnqvN:csJiGaLcUsPh7ouegMN
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource OperaSetupDeveloper.exe unpack001/out.upx
Files
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OperaSetupDeveloper.exe.exe windows x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 2.3MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 34KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 279KB - Virtual size: 278KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 55KB - Virtual size: 55KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 8B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 5.1MB - Virtual size: 5.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ