OperaSetup[.]exe

General

Target

OperaSetup.exe
Size

2.7MB
MD5

4d4e107ba542e8a7a26bbbdb50b093ee
SHA1

5afa1bb21a95c7f2f19e80dd903be46958b17fa6
SHA256

303ee7aa185951854e8dcc1bfc1baec637edd690d1ddbac5bdbffcdaa9a6c911
SHA512

9a12576971982590cbfced2f6e29de2f14b12725d14edb93c51bd799b935112b8c922ab1aa36af63786d5ccaaa05d7ec9b9f37212d421cd7cd40197c26a5843f
SSDEEP

49152:tGh5z7p8lE+XqRNWhrxFVm4f53Vt3NwEmHgoL5+kfps+rb2jX+mSYegZVvW:tGh5zaE+wNWhFxZVtAHPN+kxs+XE+T35

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: 2.7MB - Virtual size: 2.7MB

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: 278KB - Virtual size: 277KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 55KB - Virtual size: 54KB

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: 4.7MB - Virtual size: 4.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 14KB - 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: 2.7MB - Virtual size: 2.7MB

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

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 278KB - Virtual size: 277KB

.rdata Size: 55KB - Virtual size: 54KB

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

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

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

.rsrc Size: 4.7MB - Virtual size: 4.7MB

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

UPX0
Size: - Virtual size: 2.4MB

UPX1
Size: 2.7MB - Virtual size: 2.7MB

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

.text
Size: 278KB - Virtual size: 277KB

.rdata
Size: 55KB - Virtual size: 54KB

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

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

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

.rsrc
Size: 4.7MB - Virtual size: 4.7MB

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