fscan-modify[.]exe

General

Target

fscan-modify.exe
Size

6.1MB
MD5

591e3174dbd82804ceff715fda910eea
SHA1

9ea6a2fa4a24847484885990cc24ebcdd8bf0b5e
SHA256

ed036de72be7f2afb5c2fa3ceeb4aa177941b89638d29a6a3f099a7bda7a6163
SHA512

d4d09605f0225118478264581873352bca219c507c9afa563d6ead0a5fbbd9c3fda1c4b7c27c07694e3191a9a1cc96f0bb04c984879a9555a5f4b1f383509700
SSDEEP

98304:hWMXC/oRJ7x3A/aY12XHe6Zg9ILUE8xI0M/WX16rRMbCWPDUQda656l/y7d5vz:ugH7xsmXa+IXxI0M/816Fr+5GWd

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
fscan-modify.exe
unpack001/out.upx

Files

fscan-modify.exe
.exe windows x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_DEBUG_STRIPPED

Sections

UPX0
Size: - Virtual size: 17.7MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 6.1MB - Virtual size: 6.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX2
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_DEBUG_STRIPPED

Sections

.text
Size: 7.5MB - Virtual size: 7.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 14.7MB - Virtual size: 14.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 582KB - Virtual size: 1012KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 385KB - Virtual size: 384KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 512B - Virtual size: 4B

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 17.7MB

UPX1 Size: 6.1MB - Virtual size: 6.1MB

UPX2 Size: 512B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 7.5MB - Virtual size: 7.5MB

.rdata Size: 14.7MB - Virtual size: 14.7MB

.data Size: 582KB - Virtual size: 1012KB

.idata Size: 1KB - Virtual size: 1KB

.reloc Size: 385KB - Virtual size: 384KB

.symtab Size: 512B - Virtual size: 4B

UPX0
Size: - Virtual size: 17.7MB

UPX1
Size: 6.1MB - Virtual size: 6.1MB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 7.5MB - Virtual size: 7.5MB

.rdata
Size: 14.7MB - Virtual size: 14.7MB

.data
Size: 582KB - Virtual size: 1012KB

.idata
Size: 1KB - Virtual size: 1KB

.reloc
Size: 385KB - Virtual size: 384KB

.symtab
Size: 512B - Virtual size: 4B