Windows-KB890830-x64-V5[.]111[.]exe

Resubmissions

26/03/2023, 04:07

230326-eppezahd5y 7

Sharing

Copy URL Twitter E-mail

General

Target

Windows-KB890830-x64-V5.111.exe
Size

42.3MB
MD5

5d817eb32e8c0088d0102b2e5cc08967
SHA1

34acd51e6ca1c835eacff757d6ea75c4a22ad3cb
SHA256

bde8db1571f5310f0c2697deca3a22cfd22183e3900b89cc0c4b75ead1042de4
SHA512

e469fa4395827e572e86df8adb5a5c5dc661a4c35fa32c9ce7c81e717d65da0c96bc86f60b4ef12dafda968889db7cb21485614c22725c28aba34e9065f3a565
SSDEEP

786432:+xIfp4/thKIt3Y0eSgE0XH3z2DJpg8DBvdWiQd6h5BcM3nuWEk+gUzMC0M7gb:+xIfpEhiYWeJpgUB8A9cM3U1zMH7

Score

1^/10

Malware Config

Signatures

Files

Windows-KB890830-x64-V5.111.exe
.exe windows x64

0b573cf77aba49a404fe89593ae54a32

Code Sign

33:00:00:03:96:65:68:b4:62:91:30:8a:45:00:00:00:00:03:96
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

12/05/2022, 20:54

Not After

11/05/2023, 20:54

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

70:58:61:15:35:b5:ad:07:6b:51:04:e1:dc:c1:2a:4b:2e:fb:1a:1f:64:66:bf:d8:75:e8:ea:70:6f:5e:ca:35
Signer

Actual PE Digest

70:58:61:15:35:b5:ad:07:6b:51:04:e1:dc:c1:2a:4b:2e:fb:1a:1f:64:66:bf:d8:75:e8:ea:70:6f:5e:ca:35

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

23/03/2023, 16:07
Valid: false

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

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
SetFileAttributesW
GetStdHandle
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
HeapAlloc
FindFirstFileExW
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
DecodePointer

rpcrt4

UuidCreate

ntdll

RtlNtStatusToDosError
RtlGetVersion
RtlUnwindEx
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
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: 41.7MB - Virtual size: 41.7MB

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

Resubmissions

Sharing

General

Malware Config

Signatures

Files

0b573cf77aba49a404fe89593ae54a32

Code Sign

33:00:00:03:96:65:68:b4:62:91:30:8a:45:00:00:00:00:03:96Certificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

70:58:61:15:35:b5:ad:07:6b:51:04:e1:dc:c1:2a:4b:2e:fb:1a:1f:64:66:bf:d8:75:e8:ea:70:6f:5e:ca:35Signer

Signature Validations

Verification

23/03/2023, 16:07 Valid: false

Headers

DLL Characteristics

File Characteristics

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: 41.7MB - Virtual size: 41.7MB

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

33:00:00:03:96:65:68:b4:62:91:30:8a:45:00:00:00:00:03:96
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

70:58:61:15:35:b5:ad:07:6b:51:04:e1:dc:c1:2a:4b:2e:fb:1a:1f:64:66:bf:d8:75:e8:ea:70:6f:5e:ca:35
Signer

23/03/2023, 16:07
Valid: false

.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: 41.7MB - Virtual size: 41.7MB

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