1638441584230_OperaSetup[.]exe

General

Target

1638441584230_OperaSetup.exe
Size

2.5MB
MD5

5e0d53a2fcadbaf0ab4cd5f21eb98c5a
SHA1

6e889bc7ee08352c5e5c054b2698d1bcdd2704de
SHA256

5166dafd10c1997dac7f55aab6ba39804c1e69e48d8f8dfdb121b7b44b6247aa
SHA512

cf65b81ca0f47ec33b6dd74f7a23a7000eb715b100cd3f7ff682938f4353e7baef214225b42565b002d7f761070d4c584d9ca089da27938cb94920fbedf609cb
SSDEEP

49152:4AQzNdctl5lUJWAZp2QiXLdS8DBN5P8J8lVzi5SI+PfjfQ75axnQGzXrfBDuowAC:4AQzItRckJb9BTMI2v+njEYFXDJuowAC

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
1638441584230_OperaSetup.exe
unpack001/out.upx

Files

1638441584230_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: 2.4MB - Virtual size: 2.4MB

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: 254KB - Virtual size: 254KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 57KB - Virtual size: 57KB

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: 235B

.rsrc
Size: 3.9MB - Virtual size: 3.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 13KB - Virtual size: 12KB

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: 1.8MB

UPX1 Size: 2.4MB - Virtual size: 2.4MB

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

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 254KB - Virtual size: 254KB

.rdata Size: 57KB - Virtual size: 57KB

.data Size: 7KB - Virtual size: 13KB

.00cfg Size: 512B - Virtual size: 4B

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

.voltbl Size: 512B - Virtual size: 235B

.rsrc Size: 3.9MB - Virtual size: 3.9MB

.reloc Size: 13KB - Virtual size: 12KB

UPX0
Size: - Virtual size: 1.8MB

UPX1
Size: 2.4MB - Virtual size: 2.4MB

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

.text
Size: 254KB - Virtual size: 254KB

.rdata
Size: 57KB - Virtual size: 57KB

.data
Size: 7KB - Virtual size: 13KB

.00cfg
Size: 512B - Virtual size: 4B

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

.voltbl
Size: 512B - Virtual size: 235B

.rsrc
Size: 3.9MB - Virtual size: 3.9MB

.reloc
Size: 13KB - Virtual size: 12KB