fscan64[.]exe | Triage

General

Target

fscan64.exe
Size

5.2MB
MD5

5e0845a9f08c1cfc7966824758b6953a
SHA1

0f53892c43ccc3f64c524f7b04ab914123e36d48
SHA256

16bef09e16119f1754a6b4283e93ff7a17cfdd7c043c3ff05a3d41f128ead52e
SHA512

e04b5d8f379b93814d0ab9313c46b72d8a32e7d2d735a8d3f29cd78c0a2fc2f65bdcafc396be792653d7e848016b6ffb482e98b1bf67b5e7d179c225e96e83e2
SSDEEP

98304:Cf8Vc89y4yVpWRORJ9VCujhEH2TuwX2K74qVQ9fT35IPpISx+dP:eCu4yVpWROHH5hhuwXCR9b3ePpIb

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
fscan64.exe
unpack001/out.upx

Files

fscan64.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: 17.3MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 5.2MB - Virtual size: 5.2MB

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: 6.9MB - Virtual size: 6.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 14.1MB - Virtual size: 14.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 590KB - Virtual size: 1020KB

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: 351KB - Virtual size: 351KB

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: 17.3MB

UPX1 Size: 5.2MB - Virtual size: 5.2MB

UPX2 Size: 512B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 6.9MB - Virtual size: 6.9MB

.rdata Size: 14.1MB - Virtual size: 14.1MB

.data Size: 590KB - Virtual size: 1020KB

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

.reloc Size: 351KB - Virtual size: 351KB

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

UPX0
Size: - Virtual size: 17.3MB

UPX1
Size: 5.2MB - Virtual size: 5.2MB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 6.9MB - Virtual size: 6.9MB

.rdata
Size: 14.1MB - Virtual size: 14.1MB

.data
Size: 590KB - Virtual size: 1020KB

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

.reloc
Size: 351KB - Virtual size: 351KB

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