windows-kb890830-x64-v5[.]100_39ac11b44ee409bd2e92ab441f958815f9241ae1[.]exe

Sharing

Copy URL Twitter E-mail

General

Target

windows-kb890830-x64-v5.100_39ac11b44ee409bd2e92ab441f958815f9241ae1.exe
Size

1024KB
MD5

eb22c83915b8b37ca6ffb2d6f1b63823
SHA1

c7957f70b88bfb3ca71da63d17e83c54d204fc5f
SHA256

9ea505df7f2001c4c338855592b62bc19d5fa52fbc26b1585c619c18038740b5
SHA512

b74ad4fffac4016dac35dbab7dbf2f434e2e8690cc26c8de1e6453f358c6fd37a3d7c6f6090c6793af9e9f744b3ba7961251ab7762ddd2f3c6ef53c0c618e7fd
SSDEEP

12288:xUt7sFpYjERNtuFCks576uCu7TRQq3h5syjbfZT8AHzd3Nd5AGTMwGjq+5WPW9sQ:WsFpCWNUCks5+uXxV8yjdRQjqkUWn

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
windows-kb890830-x64-v5.100_39ac11b44ee409bd2e92ab441f958815f9241ae1.exe

Files

windows-kb890830-x64-v5.100_39ac11b44ee409bd2e92ab441f958815f9241ae1.exe
.exe windows:10 windows x64 arch:x64

e38e4120a4a8dcd64a07e5bd33cb2819

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

mrtstub.pdb

Imports

advapi32

RegDeleteValueW
RegOpenKeyExW
RegSetValueExW
TraceMessage
RegCreateKeyExW
RegCloseKey
EventWriteTransfer
UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableLevel
GetTraceEnableFlags
GetTraceLoggerHandle
GetLengthSid
AllocateAndInitializeSid
CopySid
FreeSid
CheckTokenMembership
EventUnregister
EventRegister
RegQueryValueExW

kernel32

GetModuleFileNameW
GetExitCodeProcess
CreateProcessW
FreeLibrary
GetProcAddress
QueryFullProcessImageNameW
FindResourceW
LoadResource
CloseHandle
Process32FirstW
LockResource
Process32NextW
GetLastError
Sleep
CreateToolhelp32Snapshot
SetLastError
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
IsProcessorFeaturePresent
GetCurrentThreadId
HeapFree
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
WriteFile
GetConsoleOutputCP
GetConsoleMode
GetFileSizeEx
SetFilePointerEx
HeapAlloc
SetFileAttributesW
GetFileType
GetStartupInfoW
GetTempPathW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
InitializeCriticalSectionAndSpinCount
GetSystemTimeAsFileTime
LoadLibraryExW
LCMapStringW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetStringTypeW
MultiByteToWideChar
ExitProcess
GetModuleHandleW
GetModuleHandleExW
GetProcessHeap
SetStdHandle
FlushFileBuffers
WideCharToMultiByte
ReadFile
ReadConsoleW
CreateFileW
WriteConsoleW
SetEndOfFile
HeapSize
HeapReAlloc
RaiseException
QueryPerformanceCounter
GetCurrentProcessId
InitializeSListHead
EncodePointer
InitializeCriticalSectionEx
GlobalMemoryStatusEx
FindNextFileW
FindClose
GetFileAttributesW
OpenProcess
CreateEventW
GetSystemDirectoryW
HeapSetInformation
VirtualLock
WaitForSingleObject
TerminateProcess
DeviceIoControl
GetVolumeInformationW
SizeofResource
GetNativeSystemInfo
GetStdHandle
FindFirstFileExW
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
DecodePointer

rpcrt4

UuidCreate

ntdll

RtlGetVersion
RtlUnwindEx
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
RtlNtStatusToDosError
RtlPcToFileHeader
NtSetInformationFile

wintrust

WTHelperProvDataFromStateData
WinVerifyTrust
WTHelperGetProvSignerFromChain

crypt32

CertVerifyCertificateChainPolicy

Sections

.text
Size: 152KB - Virtual size: 151KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 64KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 12KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 38.2MB - Virtual size: 38.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e38e4120a4a8dcd64a07e5bd33cb2819

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

kernel32

rpcrt4

ntdll

wintrust

crypt32

Sections

.text Size: 152KB - Virtual size: 151KB

.rdata Size: 64KB - Virtual size: 63KB

.data Size: 4KB - Virtual size: 9KB

.pdata Size: 12KB - Virtual size: 8KB

.rsrc Size: 38.2MB - Virtual size: 38.2MB

.reloc Size: 4KB - Virtual size: 1KB

.text
Size: 152KB - Virtual size: 151KB

.rdata
Size: 64KB - Virtual size: 63KB

.data
Size: 4KB - Virtual size: 9KB

.pdata
Size: 12KB - Virtual size: 8KB

.rsrc
Size: 38.2MB - Virtual size: 38.2MB

.reloc
Size: 4KB - Virtual size: 1KB