OperaSetup[.]exe

General

Target

OperaSetup.exe
Size

2.6MB
MD5

fe7deafcad901f7bc0e4583c717e663c
SHA1

2e4f594d0792a312adaabc603f3b4eb0da30ae8d
SHA256

9027a9b1e76d76e2f092083266309fb83b9f6ab64cef174276ff8e583d75ebca
SHA512

6d0c5d5599f9b438a4419e3cc1d7cffe3405fb67d0b34e0bdaf7122d9cd34b60c91c16d908a54483d2bea57cb0e634c5e0b38b4078963a980a231c35dd1d3b5a
SSDEEP

49152:QO+tLC3+Pv8kG5Nee2d3R4OIQ21TpMMtbdtWMtnkaxukdIKncMWufHTTJTi:QZhC3+P0NMRRj21ltBtn1xukdJncMWuc

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
OperaSetup.exe
unpack001/out.upx

Files

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: 2.4MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 2.6MB - Virtual size: 2.6MB

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
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: 4.6MB - Virtual size: 4.6MB

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

Sharing

General

Malware Config

Signatures

Files

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 2.4MB

UPX1 Size: 2.6MB - Virtual size: 2.6MB

.rsrc Size: 33KB - Virtual size: 36KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 279KB - Virtual size: 278KB

.rdata Size: 55KB - Virtual size: 55KB

.data Size: 7KB - Virtual size: 12KB

.00cfg Size: 512B - Virtual size: 8B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 4.6MB - Virtual size: 4.6MB

.reloc Size: 15KB - Virtual size: 14KB

UPX0
Size: - Virtual size: 2.4MB

UPX1
Size: 2.6MB - Virtual size: 2.6MB

.rsrc
Size: 33KB - Virtual size: 36KB

.text
Size: 279KB - Virtual size: 278KB

.rdata
Size: 55KB - Virtual size: 55KB

.data
Size: 7KB - Virtual size: 12KB

.00cfg
Size: 512B - Virtual size: 8B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 4.6MB - Virtual size: 4.6MB

.reloc
Size: 15KB - Virtual size: 14KB