MediaCreationTool1909[.]exe

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General

Target

MediaCreationTool1909.exe
Size

18.4MB
MD5

d0ba2b1c91124ee4a250c6c53f545f1f
SHA1

0352292fc21c8dd442358f2ff4fa8eded01b7dca
SHA256

8237794f0fffb298040ed59045b679579fa6e1b66703ec2bf5353e71499c663e
SHA512

99d45e22f36f15777e789e54d6a5410a335bd344d009d863afd3c35ce53a6f4811b7e40f912b6da35725e121fff11e51a3fb9659a45a2f7701afc9ab407d7399
SSDEEP

196608:gTBne2w95/Ry70HesbbUkMgDgT86liKXscCW3usLRFK0tGxxK9:F955lHPboLg8YlmJC2LRg0tGxx

Score

1^/10

Malware Config

Signatures

Files

MediaCreationTool1909.exe
.exe windows:10 windows x86 arch:x86

a4269fa07bc8ea2a7bbbbf7030a00250

Code Sign

33:00:00:02:c3:c6:56:eb:cb:63:74:5b:58:00:00:00:00:02:c3
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02-05-2019 21:25

Not After

02-05-2020 21:25

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

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

Not Before

06-07-2010 20:40

Not After

06-07-2025 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0a:bf:cd:f9:60:bb:93:99:d8:6f:7f:1f:ef:7e:c2:1f:58:81:d7:7e:ec:29:13:33:c5:5a:c2:2d:5f:49:d5:f4
Signer

Actual PE Digest

0a:bf:cd:f9:60:bb:93:99:d8:6f:7f:1f:ef:7e:c2:1f:58:81:d7:7e:ec:29:13:33:c5:5a:c2:2d:5f:49:d5:f4

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

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_32BIT_MACHINE
IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP
IMAGE_FILE_NET_RUN_FROM_SWAP

PDB Paths

SetupPrep.pdb

Imports

advapi32

GetTokenInformation
RegQueryValueExW
OpenThreadToken
AddAccessAllowedAce
DuplicateTokenEx
GetLengthSid
RegDeleteValueW
SetSecurityInfo
CreateProcessAsUserW
RegOpenKeyExW
InitializeAcl
InitializeSecurityDescriptor
CheckTokenMembership
RegUnLoadKeyW
FreeSid
OpenProcessToken
RegSetValueExW
RegSetKeySecurity
RegEnumKeyExW
CopySid
RegCreateKeyExW
RegFlushKey
AllocateAndInitializeSid
RegDeleteKeyW
SetTokenInformation
GetAce
RegQueryInfoKeyW
RegEnumKeyW
RegCloseKey
RegNotifyChangeKeyValue
SetSecurityDescriptorDacl
GetTraceEnableFlags
GetTraceEnableLevel
RegisterTraceGuidsW
UnregisterTraceGuids
QueryAllTracesW
StopTraceW
GetTraceLoggerHandle
InitiateSystemShutdownExW
RegEnumValueW
AdjustTokenPrivileges

kernel32

DeleteFileW
CloseHandle
GetNativeSystemInfo
LoadLibraryW
FindResourceExW
ResetEvent
LoadResource
GetOverlappedResult
SetFilePointerEx
LocalFree
MoveFileExW
LockFileEx
DeleteCriticalSection
GetCurrentProcessId
CreateProcessW
GetModuleHandleW
FreeLibrary
CopyFileW
WideCharToMultiByte
SystemTimeToTzSpecificLocalTime
GetSystemTime
DosDateTimeToFileTime
GetSystemWindowsDirectoryW
MoveFileW
IsWow64Process
GetDriveTypeW
LoadLibraryExW
FlushFileBuffers
GetExitCodeProcess
RaiseException
GetVersionExA
GetCurrentThread
SetEvent
VerifyVersionInfoW
IsValidLocale
VerSetConditionMask
IsValidCodePage
MapViewOfFile
CreateFileMappingW
UnmapViewOfFile
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
SearchPathW
GetFileSize
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
CreateFileA
GetLastError
GetTickCount64
LocalFileTimeToFileTime
GetTimeZoneInformation
LockResource
Sleep
MultiByteToWideChar
CreateEventW
GetLogicalDriveStringsW
SetFileAttributesW
GetSystemDirectoryW
GetVersionExW
OpenEventW
GetFileAttributesW
CreateFileW
WaitForSingleObject
FindClose
CreateHardLinkW
CreateMutexW
UnlockFileEx
SetThreadPreferredUILanguages
GetLocaleInfoW
GetPrivateProfileIntW
InitializeCriticalSection
GlobalUnlock
GlobalLock
MulDiv
FindResourceW
SizeofResource
DuplicateHandle
GetShortPathNameW
HeapSize
HeapReAlloc
IsDebuggerPresent
VirtualQuery
GetPriorityClass
GetThreadPriority
OutputDebugStringW
GetExitCodeThread
SetEndOfFile
SetThreadPriority
SetPriorityClass
CreateThread
FormatMessageW
GetPrivateProfileSectionW
GetFileTime
FileTimeToSystemTime
CompareFileTime
SetCurrentDirectoryW
GetCurrentDirectoryW
CopyFileExW
GetFileInformationByHandle
DeviceIoControl
SetLastError
GetTickCount
GetSystemTimeAsFileTime
GetCurrentThreadId
QueryPerformanceCounter
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetStartupInfoW
SetFilePointer
HeapFree
GetModuleHandleExW
HeapAlloc
GetProcAddress
GetProcessHeap
CreateDirectoryW
ReadFile
FindFirstFileW
GetFileSizeEx
CompareStringW
EnterCriticalSection
GetCommandLineW
GetFullPathNameW
FindNextFileW
GetCurrentProcess
WriteFile
ExpandEnvironmentStringsW
TerminateProcess
SetFileTime
GetModuleFileNameW
WaitForMultipleObjects
SetEnvironmentVariableW
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount

user32

GetKeyState
GetFocus
IsChild
GetNextDlgTabItem
GetWindowLongW
RedrawWindow
CopyRect
DrawFocusRect
SetWindowLongW
SystemParametersInfoW
GetDC
GetSysColor
GetClientRect
GetParent
InvalidateRect
LoadStringW
PostMessageW
GetSystemMenu
GetSysColorBrush
ClientToScreen
GetSystemMetrics
IsWindowVisible
FillRect
AdjustWindowRectEx
SetCursor
LoadCursorW
TrackMouseEvent
EnableMenuItem
DrawTextW
CharUpperW
GetWindowRect
MessageBoxW
ScreenToClient
SendMessageW
SetTimer
PostThreadMessageW
KillTimer
LoadImageW
EnableWindow

mfc42u

ord4470
ord4282
ord3084
ord3870
ord2634
ord5977
ord5047
ord543
ord803
ord2385
ord1106
ord3614
ord2388
ord817
ord3341
ord5296
ord5299
ord3579
ord4074
ord4693
ord2397
ord5303
ord5285
ord5711
ord3949
ord565
ord268
ord3397
ord4294
ord4279
ord1633
ord323
ord6153
ord640
ord5781
ord470
ord755
ord3568
ord521
ord1571
ord6466
ord600
ord269
ord826
ord3621
ord2406
ord1560
ord4418
ord4616
ord4075
ord3074
ord3820
ord3826
ord3825
ord2971
ord3076
ord2980
ord3257
ord3131
ord4459
ord3254
ord3142
ord2977
ord1202
ord1940
ord6433
ord4221
ord1165
ord3716
ord795
ord2294
ord609
ord1131
ord3658
ord540
ord861
ord2820
ord800
ord4704
ord4992
ord4847
ord4419
ord1767
ord6048
ord5261
ord3133
ord567
ord5273
ord2116
ord2438
ord5257
ord1720
ord6195
ord6193
ord6211
ord5059
ord3744
ord6372
ord2047
ord2640
ord4435
ord4831
ord3793
ord5286
ord4347
ord6370
ord5157
ord2377
ord5237
ord4401
ord818
ord1768
ord4073
ord4621
ord6051
ord2858
ord2637
ord1258
ord4229
ord1143
ord1808
ord324
ord2078
ord2161
ord3952
ord2506
ord4370
ord641
ord5276
ord3000
ord3087
ord329
ord5978
ord3196
ord4131
ord643
ord1787
ord2567
ord4390
ord3915
ord2372
ord2371
ord3871
ord2859
ord3792
ord6278
ord6279
ord5871
ord4162
ord2854
ord1921
ord4270
ord1634
ord2855
ord4118
ord6303

msvcrt

_XcptFilter
wcsstr
wcsncmp
iswspace
bsearch
__CxxFrameHandler3
_amsg_exit
__wgetmainargs
__set_app_type
exit
_wtoi
towlower
_wcstoui64
wcstoul
towupper
_vscwprintf
wcsrchr
_wcsnicmp
__p__commode
wcschr
_purecall
_wcsicmp
memcpy_s
__RTDynamicCast
_ftol2
memcmp
memcpy
_exit
_cexit
memmove
_except_handler4_common
_controlfp
_vsnwprintf
??1type_info@@UAE@XZ
?terminate@@YAXXZ
_onexit
__dllonexit
_unlock
_lock
_wcmdln
_initterm
__setusermatherr
__p__fmode
memset

comctl32

InitCommonControlsEx

ole32

CoUninitialize
CoCreateInstance
CoInitializeEx

shell32

CommandLineToArgvW

ntdll

RtlFreeHeap
NtShutdownSystem
RtlNtStatusToDosError
NtSetInformationFile
RtlAllocateHeap
NtSetInformationThread
RtlDeleteCriticalSection
RtlInitializeCriticalSection
NtDuplicateToken
RtlGetVersion
RtlAdjustPrivilege
RtlRaiseStatus
RtlReAllocateHeap
NtYieldExecution
NtSetInformationProcess

userenv

DestroyEnvironmentBlock
CreateEnvironmentBlock

wtsapi32

WTSQueryUserToken

wimgapi

WIMSetFileIOCallbackTemporaryPath
WIMInitFileIOCallbacks
WIMUnmountImage

wdscore

WdsSetupLogMessageW
CurrentIP
ConstructPartialMsgVW

rpcrt4

I_RpcMapWin32Status
UuidToStringW
RpcStringFreeW
UuidFromStringW

gdi32

DeleteDC
CreateICW
CreateSolidBrush
CreateFontIndirectW
SetTextColor
StretchBlt
CreateCompatibleDC
BitBlt
SetBrushOrgEx
SetBkMode
GetStockObject
GetDeviceCaps
CreateDIBSection
GetObjectW
DeleteObject
TranslateCharsetInfo
CreateDCW
EnumFontFamiliesExW

cabinet

ord23
ord20
ord22

oleaut32

VariantInit
VariantClear
SysFreeString
SysAllocString

version

GetFileVersionInfoExW
GetFileVersionInfoSizeExW
VerQueryValueW

bcrypt

BCryptFinishHash
BCryptOpenAlgorithmProvider
BCryptCloseAlgorithmProvider
BCryptDestroyHash
BCryptHashData
BCryptCreateHash

uxtheme

IsAppThemed

Sections

.text
Size: 461KB - Virtual size: 460KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.boxload
Size: 512B - Virtual size: 64B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 10.5MB - Virtual size: 10.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 24KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a4269fa07bc8ea2a7bbbbf7030a00250

Code Sign

33:00:00:02:c3:c6:56:eb:cb:63:74:5b:58:00:00:00:00:02:c3Certificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

0a:bf:cd:f9:60:bb:93:99:d8:6f:7f:1f:ef:7e:c2:1f:58:81:d7:7e:ec:29:13:33:c5:5a:c2:2d:5f:49:d5:f4Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

kernel32

user32

mfc42u

msvcrt

comctl32

ole32

shell32

ntdll

userenv

wtsapi32

wimgapi

wdscore

rpcrt4

gdi32

cabinet

oleaut32

version

bcrypt

uxtheme

Sections

.text Size: 461KB - Virtual size: 460KB

.data Size: 2KB - Virtual size: 11KB

.idata Size: 10KB - Virtual size: 10KB

.boxload Size: 512B - Virtual size: 64B

.rsrc Size: 10.5MB - Virtual size: 10.5MB

.reloc Size: 24KB - Virtual size: 24KB

33:00:00:02:c3:c6:56:eb:cb:63:74:5b:58:00:00:00:00:02:c3
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

0a:bf:cd:f9:60:bb:93:99:d8:6f:7f:1f:ef:7e:c2:1f:58:81:d7:7e:ec:29:13:33:c5:5a:c2:2d:5f:49:d5:f4
Signer

.text
Size: 461KB - Virtual size: 460KB

.data
Size: 2KB - Virtual size: 11KB

.idata
Size: 10KB - Virtual size: 10KB

.boxload
Size: 512B - Virtual size: 64B

.rsrc
Size: 10.5MB - Virtual size: 10.5MB

.reloc
Size: 24KB - Virtual size: 24KB