fscan[.]exe | Triage

General

Target

fscan.exe
Size

6.1MB
MD5

8f7dfbec116017d632ca77be578795fd
SHA1

5a341a41bb909bf577465491420e3fce6001c5cf
SHA256

78eed41cec221edd4ffed223f2fd2271a96224fd1173ed685c8c0b274fe93029
SHA512

799aea35658b3f14284951fcd91fa4dceb9af5b2c94063b4ec51b203a9f5637dc7690b81659dc26e19492efc35e50792b76ed4ef2a3756ff67f418a1922c60ac
SSDEEP

196608:3Y2UaraSExxzSDpDIrC+wnI54QXTW0sHyIl:qHzShIO+wnSDs5

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.exe
unpack001/out.upx

Files

fscan.exe
.exe windows:6 windows x64 arch: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

Sections

UPX0
Size: - Virtual size: 18.1MB

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:6 windows x64 arch: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

Sections

.text
Size: 7.8MB - Virtual size: 7.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 15.1MB - Virtual size: 15.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 506KB - Virtual size: 915KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 205KB - Virtual size: 204KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 512B - Virtual size: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 154KB - Virtual size: 154KB

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: 18.1MB

UPX1 Size: 6.1MB - Virtual size: 6.1MB

UPX2 Size: 512B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 7.8MB - Virtual size: 7.8MB

.rdata Size: 15.1MB - Virtual size: 15.1MB

.data Size: 506KB - Virtual size: 915KB

.pdata Size: 205KB - Virtual size: 204KB

.xdata Size: 512B - Virtual size: 168B

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

.reloc Size: 154KB - Virtual size: 154KB

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

UPX0
Size: - Virtual size: 18.1MB

UPX1
Size: 6.1MB - Virtual size: 6.1MB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 7.8MB - Virtual size: 7.8MB

.rdata
Size: 15.1MB - Virtual size: 15.1MB

.data
Size: 506KB - Virtual size: 915KB

.pdata
Size: 205KB - Virtual size: 204KB

.xdata
Size: 512B - Virtual size: 168B

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

.reloc
Size: 154KB - Virtual size: 154KB

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