windows_update_20240813[.]exe

Sharing

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General

Target

windows_update_20240813.exe
Size

3.7MB
MD5

5fec5b83fda4382d3280e49322add6b2
SHA1

252ce76e409a2e4a15d52d09cc699140f099fed5
SHA256

245527daaa1c315d232ac45564fc41f546f9be2761f9d0e07f103499206a4fd3
SHA512

5fd11e4f79af3e6738f65c782d1bcb95d3e3cb07140e95a19cd42cf81b0168fbf6b047ddc791c4c9e2f54f273afafec3339050a1fb8db03d44f5cb63526c9953
SSDEEP

49152:NA1DdLjzy51TPjm5E6LhHCbJJQcmh9p/UrbQrb7PDmbp/TY1f:Sjvzm1kE9VJQcmZ/UrbQrnD+t

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
windows_update_20240813.exe

Files

windows_update_20240813.exe
.exe windows:6 windows x64 arch:x64

4f2f006e2ecf7172ad368f8289dc96c1

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

Imports

kernel32

WriteFile
WriteConsoleW
WerSetFlags
WerGetFlags
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
RaiseFailFastException
PostQueuedCompletionStatus
LoadLibraryW
LoadLibraryExW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetErrorMode
GetEnvironmentStringsW
GetCurrentThreadId
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler

Sections

.text
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 94KB - Virtual size: 446KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 512B - Virtual size: 156B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

/4
Size: 512B - Virtual size: 297B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 217KB - Virtual size: 217KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/32
Size: 42KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/46
Size: 512B - Virtual size: 34B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/65
Size: 532KB - Virtual size: 531KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/78
Size: 275KB - Virtual size: 274KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/90
Size: 80KB - Virtual size: 79KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 145KB - Virtual size: 144KB

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4f2f006e2ecf7172ad368f8289dc96c1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 1.1MB - Virtual size: 1.1MB

.rdata Size: 1.2MB - Virtual size: 1.2MB

.data Size: 94KB - Virtual size: 446KB

.pdata Size: 25KB - Virtual size: 24KB

.xdata Size: 512B - Virtual size: 156B

/4 Size: 512B - Virtual size: 297B

/19 Size: 217KB - Virtual size: 217KB

/32 Size: 42KB - Virtual size: 41KB

/46 Size: 512B - Virtual size: 34B

/65 Size: 532KB - Virtual size: 531KB

/78 Size: 275KB - Virtual size: 274KB

/90 Size: 80KB - Virtual size: 79KB

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

.reloc Size: 19KB - Virtual size: 18KB

.symtab Size: 145KB - Virtual size: 144KB

.text
Size: 1.1MB - Virtual size: 1.1MB

.rdata
Size: 1.2MB - Virtual size: 1.2MB

.data
Size: 94KB - Virtual size: 446KB

.pdata
Size: 25KB - Virtual size: 24KB

.xdata
Size: 512B - Virtual size: 156B

/4
Size: 512B - Virtual size: 297B

/19
Size: 217KB - Virtual size: 217KB

/32
Size: 42KB - Virtual size: 41KB

/46
Size: 512B - Virtual size: 34B

/65
Size: 532KB - Virtual size: 531KB

/78
Size: 275KB - Virtual size: 274KB

/90
Size: 80KB - Virtual size: 79KB

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

.reloc
Size: 19KB - Virtual size: 18KB

.symtab
Size: 145KB - Virtual size: 144KB