windows[.]exe | Triage

General

Target

windows.exe
Size

5.9MB
MD5

73182768c1fd5a559b6875127273789c
SHA1

5448de87a1ec51ddc895aad585c55c9a10a16282
SHA256

5c146d3fd2552bd663b0d9c1ce90e8a07f390aac9b9e01e98269e06ea22ae541
SHA512

1fc0375ddb9c5ccf6da1f69b7f2dc790298a060e938e12e0ace1baac3ad983d1c3a716f052ed35708e0123d514441f8c85c30cb4655764609e02989637a2e789
SSDEEP

98304:SqpcL8zufkRuAlUjFOrrG6crEPI+xqm95OnE7sQio65IVNrR3vNlNt6hSfy3/T2:BpcLAwyFlURGTc8Xqmz77sQioaIbR3Vw

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
windows.exe
unpack001/out.upx

Files

windows.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
IMAGE_FILE_DEBUG_STRIPPED

Sections

UPX0
Size: - Virtual size: 13.3MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 5.9MB - Virtual size: 5.9MB

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
IMAGE_FILE_DEBUG_STRIPPED

Sections

.text
Size: 10.6MB - Virtual size: 10.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 820KB - Virtual size: 820KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 180KB - Virtual size: 180KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 13.3MB

UPX1 Size: 5.9MB - Virtual size: 5.9MB

UPX2 Size: 512B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 10.6MB - Virtual size: 10.6MB

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

.data Size: 820KB - Virtual size: 820KB

.idata Size: 4KB - Virtual size: 4KB

.reloc Size: 180KB - Virtual size: 180KB

.symtab Size: 4KB - Virtual size: 4KB

UPX0
Size: - Virtual size: 13.3MB

UPX1
Size: 5.9MB - Virtual size: 5.9MB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 10.6MB - Virtual size: 10.6MB

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

.data
Size: 820KB - Virtual size: 820KB

.idata
Size: 4KB - Virtual size: 4KB

.reloc
Size: 180KB - Virtual size: 180KB

.symtab
Size: 4KB - Virtual size: 4KB