StypeUpdateWorker[.]exe | Triage

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General

Target

StypeUpdateWorker.exe
Size

27.0MB
MD5

0548e2313f3e82a1113f2de23f7a7c99
SHA1

728cb84a977003bbd674773817a4fe837e9c9ed3
SHA256

28f6eb36d60e623af7d26356224229d149a3918ae2c564728cd4cb6a95fb6d8c
SHA512

4e6f69d5f6defcd98cdd64109125e0d1768475f86e5ead624b85496c21910b28daffbe2c8c18ed9a9091433d9a08f940bb6653c4d3c16141e8311462210bd8c7
SSDEEP

393216:Dm+sFHI7EzNFAUYl8XRQo/gCcT5NB35jmxEsYAwD3UWsNWcxjN:Dm+GCl3oNWclN

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
StypeUpdateWorker.exe

Files

StypeUpdateWorker.exe
.exe windows 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: 15.3MB - Virtual size: 15.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 12.0MB - Virtual size: 12.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 151KB - Virtual size: 2.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 754KB - Virtual size: 753KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 139KB - Virtual size: 138KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 102KB - Virtual size: 102KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ