update32u[.]dll[.]exe

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General

Target

update32u.dll.exe
Size

5.9MB
MD5

bc1ac26172ffac13a445923dc87eecc9
SHA1

7ea28a389072a362fd59b9fd719b6934cb6fc6a8
SHA256

3d736b2dc9e234fb7b7ce8d74589c8913e886752e2a6d3457a4b0faef19c250b
SHA512

185b82a252475158c85d9312dcaa46ae117f28014534f5359120f2dacbdd0b558c09b99266f8c69e2e006711dab1811fc1f91ec84d60d15693eb63883ac18ca3
SSDEEP

49152:O/hwTvvdeSCk0VGDgNlvuN94+tlE0aH1DgUYztPVTr+EfcdXM35EZfaimTET+az:Aa70VfrMfr8H1DgU+7EVLmTc+az

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
update32u.dll.exe

Files

update32u.dll.exe
.dll windows:6 windows x64

2048aeee2774fb26691b1871bf79603f

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
IMAGE_FILE_DLL

Imports

kernel32

AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateFileA
CreateIoCompletionPort
CreateThread
CreateWaitableTimerExW
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
ExitProcess
FreeEnvironmentStringsW
GetConsoleMode
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetErrorMode
GetLastError
GetProcAddress
GetProcessAffinityMask
GetQueuedCompletionStatusEx
GetStdHandle
GetSystemDirectoryA
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadContext
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
PostQueuedCompletionStatus
QueryPerformanceCounter
RaiseFailFastException
ResumeThread
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetConsoleCtrlHandler
SetErrorMode
SetEvent
SetProcessPriorityBoost
SetThreadContext
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SuspendThread
SwitchToThread
TerminateProcess
TlsAlloc
TlsGetValue
UnhandledExceptionFilter
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WerGetFlags
WerSetFlags
WriteConsoleW
WriteFile

msvcrt

__iob_func
_amsg_exit
_beginthread
_errno
_initterm
_lock
_unlock
abort
calloc
fprintf
free
fwrite
malloc
realloc
signal
strlen
strncmp
vfprintf

Exports

Exports

Test
_cgo_dummy_export

Sections

.text
Size: 3.4MB - Virtual size: 3.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 135KB - Virtual size: 134KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 2.2MB - Virtual size: 2.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 69KB - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 1024B - Virtual size: 704B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 373KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 92B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 88B

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

.reloc
Size: 58KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2048aeee2774fb26691b1871bf79603f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Exports

Exports

Sections

.text Size: 3.4MB - Virtual size: 3.4MB

.data Size: 135KB - Virtual size: 134KB

.rdata Size: 2.2MB - Virtual size: 2.2MB

.pdata Size: 69KB - Virtual size: 69KB

.xdata Size: 1024B - Virtual size: 704B

.bss Size: - Virtual size: 373KB

.edata Size: 512B - Virtual size: 92B

.idata Size: 3KB - Virtual size: 3KB

.CRT Size: 512B - Virtual size: 88B

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

.reloc Size: 58KB - Virtual size: 57KB

.text
Size: 3.4MB - Virtual size: 3.4MB

.data
Size: 135KB - Virtual size: 134KB

.rdata
Size: 2.2MB - Virtual size: 2.2MB

.pdata
Size: 69KB - Virtual size: 69KB

.xdata
Size: 1024B - Virtual size: 704B

.bss
Size: - Virtual size: 373KB

.edata
Size: 512B - Virtual size: 92B

.idata
Size: 3KB - Virtual size: 3KB

.CRT
Size: 512B - Virtual size: 88B

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

.reloc
Size: 58KB - Virtual size: 57KB