WinHttp[.]exe | Triage

General

Target

WinHttp.exe
Size

9KB
MD5

db755a425afe3c086c6d25621fd06990
SHA1

dc02c373cfe0699b972842a093120501a0a2dfcf
SHA256

0e7ef0525bc98e6313b8a9b91ab78ab675c7ab4030645cbcd0d268801b7edde9
SHA512

d2937ba5d6fb5da6d08ea945d77b041d471ae051a59664ff6a18945aab02403bbf02efda014b3860314105675784f53739c8cac829987c08af384df292568f01
SSDEEP

192:mkEmRWbknz0pII9AE1MCcITNRiE3VCuYjp6V9Lru3wSP9k/sVVj6yGxnnaWku:mkEYRQPJ1lhonu8a9Lru3z6gjhGxiu

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
WinHttp.exe
unpack001/out.upx

Files

WinHttp.exe
.exe windows:4 windows x64

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Sections

UPX0
Size: - Virtual size: 52KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 8KB - Virtual size: 12KB

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:4 windows x64

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Sections

.text
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 208B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 1024B - Virtual size: 756B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 1024B - Virtual size: 604B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 10KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 104B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 52KB

UPX1 Size: 8KB - Virtual size: 12KB

UPX2 Size: 512B - Virtual size: 4KB

Headers

File Characteristics

Sections

.text Size: 10KB - Virtual size: 9KB

.data Size: 512B - Virtual size: 208B

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

.pdata Size: 1024B - Virtual size: 756B

.xdata Size: 1024B - Virtual size: 604B

.bss Size: - Virtual size: 10KB

.idata Size: 2KB - Virtual size: 2KB

.CRT Size: 512B - Virtual size: 104B

.tls Size: 512B - Virtual size: 16B

UPX0
Size: - Virtual size: 52KB

UPX1
Size: 8KB - Virtual size: 12KB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 10KB - Virtual size: 9KB

.data
Size: 512B - Virtual size: 208B

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

.pdata
Size: 1024B - Virtual size: 756B

.xdata
Size: 1024B - Virtual size: 604B

.bss
Size: - Virtual size: 10KB

.idata
Size: 2KB - Virtual size: 2KB

.CRT
Size: 512B - Virtual size: 104B

.tls
Size: 512B - Virtual size: 16B