winupdate[.]exe | Triage

Sharing

Copy URL Twitter E-mail

General

Target

winupdate.exe
Size

100KB
MD5

9098270ee4b62023cd036f63fd5a718f
SHA1

b97e87557047ae5ae0e77449f6f9e3a4d16de8e7
SHA256

35ef0c05bc16af0420825f12b812ca0df56172b3807480d39a2042f090174cb3
SHA512

c3693146005292cb0e1d2bd2f0950131c2562b58bfdeb8a6e0ab70fbd0250e50acddd89b4bbdb2810e33030bc14efcd5998fd6e968f9ec88c63d736054917e61
SSDEEP

1536:3kpoalOYktfCM83vWIYEVE/kGE5+Kb+LwoMSJZNR5FOJ3b:WFITtfCMr2VE/kOXMSJZjPOJ3b

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
winupdate.exe

Files

winupdate.exe
.exe windows:4 windows x64 arch:x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

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: 94KB - Virtual size: 93KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 1024B - Virtual size: 736B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.edata
Size: 512B - Virtual size: 54B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 512B - Virtual size: 20B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 236B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ