ext-fix[.]exe | Triage

General

Target

ext-fix.exe
Size

68KB
MD5

84c7ee0d8c2e6cd04a07212a163fe584
SHA1

e5145b7a2def6aa3137058a4977eed6e3cbafaad
SHA256

b09647d66b49cbf835c7365455d3c9058c16bd595336579730bd5009883404bc
SHA512

ae1b320292cdba4d8f74c42df13ec4453abea8f6d38c235ca4bcf25a6e6410153f5942ba693b86419348d2307dfb6b77f22bdf9e116a55a751a9842d3c72b05f
SSDEEP

1536:bA1LQWc8VwuIaYMeaUgV+GIVeBZQ73Qatcol2:bABQzNtaf8GGwZQ73Bco

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
ext-fix.exe
unpack001/out.upx

Files

ext-fix.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: 96KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 66KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX2
Size: 1024B - 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: 103KB - Virtual size: 102KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 35KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 768B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 1012B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 96KB

UPX1 Size: 66KB - Virtual size: 68KB

UPX2 Size: 1024B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 103KB - Virtual size: 102KB

.rdata Size: 35KB - Virtual size: 35KB

.data Size: 512B - Virtual size: 768B

.pdata Size: 5KB - Virtual size: 4KB

.reloc Size: 1024B - Virtual size: 1012B

UPX0
Size: - Virtual size: 96KB

UPX1
Size: 66KB - Virtual size: 68KB

UPX2
Size: 1024B - Virtual size: 4KB

.text
Size: 103KB - Virtual size: 102KB

.rdata
Size: 35KB - Virtual size: 35KB

.data
Size: 512B - Virtual size: 768B

.pdata
Size: 5KB - Virtual size: 4KB

.reloc
Size: 1024B - Virtual size: 1012B