fscan[.]exe | Triage

General

Target

fscan.exe
Size

4.4MB
MD5

61fe697c5fac98a5c0fa8f1c3357c6e1
SHA1

46c32b9ad615157efe903b992891dbc143761d6d
SHA256

7e6b9406c2a12c93a7c56e4e2c79dd4eb1e562c772aef13ebd006abb727a2854
SHA512

1f71447a0344ed8b6737318b2351af07ce737df584e0dbbd7cb0bc7c4ca608757afb4a7807ab9f7a96ffe9c602f5fb30145e5f617537bd5de0cc60f7de42f083
SSDEEP

98304:aCMdOsWHbXFJG+FFt7zjc9SWpD/Cs+ycFtbGbL:kDmXGa7zjvWpTCsFCte

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 x86 arch: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_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Sections

UPX0
Size: - Virtual size: 14.3MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 4.4MB - Virtual size: 4.4MB

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 x86 arch: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_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Sections

.text
Size: 6.3MB - Virtual size: 6.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 10.9MB - Virtual size: 10.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 452KB - Virtual size: 680KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 1024B - Virtual size: 1000B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 526KB - Virtual size: 525KB

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: 14.3MB

UPX1 Size: 4.4MB - Virtual size: 4.4MB

UPX2 Size: 512B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 6.3MB - Virtual size: 6.3MB

.rdata Size: 10.9MB - Virtual size: 10.9MB

.data Size: 452KB - Virtual size: 680KB

.idata Size: 1024B - Virtual size: 1000B

.reloc Size: 526KB - Virtual size: 525KB

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

UPX0
Size: - Virtual size: 14.3MB

UPX1
Size: 4.4MB - Virtual size: 4.4MB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 6.3MB - Virtual size: 6.3MB

.rdata
Size: 10.9MB - Virtual size: 10.9MB

.data
Size: 452KB - Virtual size: 680KB

.idata
Size: 1024B - Virtual size: 1000B

.reloc
Size: 526KB - Virtual size: 525KB

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