Behavioral task
behavioral1
Sample
OperaSetup.exe
Resource
win10v2004-20230621-en
General
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Target
OperaSetup.exe
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Size
2.3MB
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MD5
4310bbb114df4aace5df0a08b6a82b92
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SHA1
02f4597b35d9aef5a08aecaa79ba184be232bd78
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SHA256
257cedae2d29dba089fb21b95543d146d45d2d653a6a6ff4ce7a33c6b7328dc5
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SHA512
151c21af8e3ed9a926c421e4be4fa2fa1c3ee9e63eae05187e86ac287689fb07b004c5c0864e3e50d04d9a6fb866f0d1c2a2afe7b6523642a9c20439c269bc89
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SSDEEP
49152:9d3e52OJVEfaOEMhbJe9mOxPdrwKPUa/GV1ztyQQXRbh0uNkQAYGvlzCJUu:fUHEf/zJcU+5wKPUauV1z0QQhb+uyQAy
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource OperaSetup.exe unpack001/out.upx
Files
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OperaSetup.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: 1.8MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 2.3MB - Virtual size: 2.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 33KB - 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: 235KB - Virtual size: 235KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 56KB - Virtual size: 56KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 4B
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
.voltbl Size: 512B - Virtual size: 234B
.rsrc Size: 3.7MB - Virtual size: 3.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ