opera[.]zip | Triage

General

Target

opera.zip
Size

2.5MB
MD5

0e1411adbf25777e56c33bca55743b8f
SHA1

078aceb1149bb5efa887ee2b1481ec886465d0dc
SHA256

f3a72ce4268c6aa4c347e1a90e3b17d0b5d3a290879554750a39b7d857257e5e
SHA512

b6f69e18118b2ba801196460d50598cfb4d5f091614b4b48ce840fb8c394f5457aa5d824c70b24bc3179174aaa55f79addb6eaea87ecc0b80379ca75b12e7968
SSDEEP

49152:yYXLxNUTKd5ia4KlJ2KMvtNXpxeD6ACx4Ov3mLCI6B4Ol5Ak24v:hXPH5KkJRMvtNXjaCxjvWe7Bnv

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
static1/unpack001/OperaSetup.exe	upx

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/OperaSetup.exe
unpack002/out.upx

Files

opera.zip
.zip

Password: infected
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: 2.5MB

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: 279KB

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: 4.7MB - Virtual size: 4.7MB

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

Password: infected

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 2.5MB

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: 279KB

.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: 4.7MB - Virtual size: 4.7MB

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

UPX0
Size: - Virtual size: 2.5MB

UPX1
Size: 2.6MB - Virtual size: 2.6MB

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

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

.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: 4.7MB - Virtual size: 4.7MB

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