633cdb7cc5a3586fd8ff2417c1d9ba0e

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General

Target

633cdb7cc5a3586fd8ff2417c1d9ba0e
Size

190KB
MD5

633cdb7cc5a3586fd8ff2417c1d9ba0e
SHA1

eec2c34fe0df673e6b0b9658ee92424a296c47d0
SHA256

c57a144bacf03ddcfaf0649502d1051710f7d86505f04cb3ea453637feb1eb9a
SHA512

81a8332ff5d88661a38e8eba690508c9b5c0258ec3c1a579b53866b7e473053276c15796eb68dcac6acf63070f9d90f5d3b1de546b62f52adfd0dc35a0c4218e
SSDEEP

3072:hqYZlulrmMcm5cJvQR7kyellZBazQ10t+3MCCf0kHx9mA20esYXM+TN8s0a:hQm4oye9IsS83zOfmArY8ENn

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/ntvdm.exe

Files

633cdb7cc5a3586fd8ff2417c1d9ba0e
.cab
ntvdm.exe
.exe windows:5 windows x86 arch:x86

ee4fac7f8abf5a49bcd5b7f60aa5d367

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_AGGRESIVE_WS_TRIM
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

UnhandledExceptionFilter
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
WideCharToMultiByte
GetLastError
GetEnvironmentStringsW
SetHandleCount
GetFileType
GetStartupInfoA
HeapDestroy
HeapCreate
VirtualFree
HeapFree
VirtualAlloc
HeapReAlloc
LoadLibraryA
GetModuleFileNameA
HeapAlloc
GetCPInfo
LCMapStringA
MultiByteToWideChar
LCMapStringW
RtlUnwind
ReadFile
FlushFileBuffers
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
VirtualProtect
GetSystemInfo
VirtualQuery
SetFilePointer
CloseHandle
SetStdHandle
GetStdHandle
WriteFile
GetProcAddress
GetACP
ExitProcess
GetConsoleKeyboardLayoutNameA
SetVDMCurrentDirectories
GetVersionExA
GetCommandLineA
GetModuleHandleA
GetTickCount
GetOEMCP
DebugBreak
GetLocalTime
Sleep
WaitForSingleObjectEx
GetCurrentThreadId
ExitThread
SetEvent
InitializeCriticalSection
CreateEventA
SetThreadPriority
CreateThread
RaiseException
FormatMessageA
FindClose
CreateFileA
FindFirstFileA
GetFileSize
SetLastError
SetPriorityClass
GetPriorityClass
GetSystemDirectoryA
TlsAlloc
GetSystemDefaultLangID
IsBadCodePtr
WaitForSingleObject
TlsSetValue
TlsGetValue
PulseEvent
ResumeThread
DuplicateHandle
GetCurrentThread
GetCurrentProcess
LeaveCriticalSection
EnterCriticalSection
ClearCommError
GetOverlappedResult
SetCommState
DeleteCriticalSection
WaitForMultipleObjects
SetCommTimeouts
GetCommTimeouts
SetupComm
GetCommState
EscapeCommFunction
ClearCommBreak
SetCommBreak
OutputDebugStringA
GetConsoleDisplayMode
GetThreadContext
GlobalMemoryStatus
SetCurrentDirectoryA
SetEnvironmentVariableA
SetConsoleTitleA
GetCurrentProcessId
GetConsoleTitleA
ReadConsoleOutputA
SetConsoleCursorPosition
GetConsoleCursorInfo
GetConsoleOutputCP
GetConsoleScreenBufferInfo
SetConsoleCursorInfo
WriteConsoleOutputA
SetConsoleWindowInfo
SetConsoleScreenBufferSize
SetConsoleMode
GetConsoleMode
Beep
SetConsoleActiveScreenBuffer
FillConsoleOutputAttribute
FillConsoleOutputCharacterA
GetConsoleFontSize
GetCurrentConsoleFont
WriteConsoleA
CreateConsoleScreenBuffer
DeviceIoControl
ReleaseMutex
SetConsoleCtrlHandler
CreateMutexA
_lclose
_lread
_llseek
_lopen
GetSystemWindowsDirectoryA
GetFileAttributesA
GetWindowsDirectoryA
SuspendThread
FreeLibrary
IsDebuggerPresent
LocalFree
LocalAlloc
CreateSemaphoreA
ReleaseSemaphore
ResetEvent
lstrcmpiA
FileTimeToDosDateTime
FileTimeToLocalFileTime
QueryDosDeviceW
GetShortPathNameW
IsDBCSLeadByte
GetFileAttributesW
DefineDosDeviceW
FindNextFileW
FindFirstFileW
GetDriveTypeA
CreateDirectoryW
RemoveDirectoryW
MoveFileW
LocalFileTimeToFileTime
GetDriveTypeW
GetFileTime
SetFileTime
SystemTimeToFileTime
GetSystemTime
SetEndOfFile
CreateFileW
DeleteFileW
GetFileInformationByHandle
GetEnvironmentVariableA
GetCompressedFileSizeW
SetFileAttributesW
SetLocalTime
SetErrorMode
SetVolumeLabelA
UnlockFile
LockFile
CreateDirectoryA
GetShortPathNameA
DeleteFileA
GetTempPathA
TerminateThread
GetTempFileNameA
SearchPathA
GetConsoleCP
GetBinaryTypeA
GetExitCodeProcess
CreateProcessA
SearchPathW
GetTempFileNameW
ExpandEnvironmentStringsA
MoveFileExW
GetDiskFreeSpaceW
GetVolumeInformationW
GetComputerNameW
VirtualUnlock
GetNextVDMCommand
ExitVDM
SetConsoleDisplayMode
SetConsoleKeyShortcuts
GetConsoleHardwareState
SetConsoleHardwareState
RegisterConsoleVDM
SetConsolePalette
ConsoleMenuControl
ShowConsoleCursor
VDMConsoleOperation
WriteConsoleInputVDMW
ReadConsoleInputExW
GetConsoleInputWaitHandle
SetLastConsoleEventActive
InvalidateConsoleDIBits
GetProcessHeap

ntdll

NtClose
NtEnumerateValueKey
NtOpenKey
RtlInitUnicodeString
RtlUnicodeStringToAnsiString
NtQueryInformationProcess
RtlTimeToTimeFields
RtlTimeFieldsToTime
NtAlertThread
NtQueryPerformanceCounter
RtlExtendedLargeIntegerDivide
NtWaitForMultipleObjects
RtlExtendedIntegerMultiply
RtlLeaveCriticalSection
RtlEnterCriticalSection
NtTerminateProcess
RtlInitializeCriticalSection
NtVdmControl
RtlUnicodeStringToOemString
RtlAnsiStringToUnicodeString
RtlInitString
RtlOemStringToUnicodeString
RtlFreeUnicodeString
NtRaiseHardError
RtlInitAnsiString
RtlNtStatusToDosError
NtAllocateVirtualMemory
NtCreateFile
NtDeviceIoControlFile
RtlFillMemoryUlong
NtOpenFile
NtQueryInformationFile
NtFsControlFile
NtWaitForSingleObject
NtMapViewOfSection
NtUnmapViewOfSection
NtCreateSection
NtQueryValueKey
NtFreeVirtualMemory
RtlOemToUnicodeN
NtGetContextThread
NtQueryInformationThread
NtDuplicateObject
NtSetContextThread
DbgPrint
DbgPrompt
NtSetInformationFile
_strcmpi
RtlEqualUnicodeString
NtQuerySymbolicLinkObject
NtOpenSymbolicLinkObject
RtlAppendUnicodeToString
RtlFreeAnsiString
NtQueryObject
NtQueryVolumeInformationFile
RtlFreeHeap
NtQueryDirectoryFile
RtlCompareUnicodeString
RtlUpcaseUnicodeStringToCountedOemString
RtlIsNameLegalDOS8Dot3
RtlIsDosDeviceName_U
RtlAllocateHeap
RtlCreateUnicodeString
RtlDosPathNameToNtPathName_U
RtlUnicodeStringToCountedOemString
RtlUpcaseUnicodeChar
RtlGetFullPathName_U
RtlDetermineDosPathNameType_U
RtlReAllocateHeap
RtlAppendUnicodeStringToString
RtlGenerate8dot3Name
NtQueryFullAttributesFile
RtlDestroyEnvironment
RtlSetEnvironmentVariable
RtlCreateEnvironment
RtlxUnicodeStringToOemSize
NlsMbOemCodePageTag
RtlReleasePebLock
RtlAcquirePebLock
RtlFreeOemString
RtlSetCurrentDirectory_U
NtQuerySystemInformation
NtQueryVirtualMemory
RtlCharToInteger

advapi32

RegOpenKeyExA
RegQueryInfoKeyA
RegCloseKey
RegQueryValueExA
RegEnumValueA

gdi32

SetPaletteEntries
SelectPalette
RemoveFontResourceW
CreatePalette

user32

wsprintfA
GetKeyboardType
CharToOemBuffA
OemToCharA
CharUpperBuffW
MapVirtualKeyA
LoadStringA
LoadStringW
GetWindowThreadProcessId
SendMessageA
ShowWindow
SetWindowPos
ScreenToClient
GetWindowRect
GetDlgItem
GetSystemMetrics
GetDesktopWindow
GetUserObjectInformationA
GetThreadDesktop
SetWindowLongA
SetWindowTextA
LoadIconA
EndDialog
SendDlgItemMessageA
GetWindowLongA
DialogBoxParamA
SetForegroundWindow
DefWindowProcA
EnumWindows
ShowStartGlass
FindWindowA
GetForegroundWindow
MessageBeep
SetCursorPos
GetCursorPos
ClipCursor
DeleteMenu
AppendMenuW
ModifyMenuW
GetClipCursor
GetKeyState
PostMessageA
wvsprintfA
VkKeyScanW

Exports

Exports

BlockWOWIdle
CurrentMonitorTeb
DBGNotifyDebugged
DBGNotifyNewTask
DBGNotifyRemoteThreadAddress
DispatchInterrupts
DpmiSetIncrementalAlloc
ExpLdt
FlatAddress
GetDOSAppName
GetWOWShortCutInfo
IsCdRomFile
MGetVdmPointer
RegisterWOWIdle
ResumeTimerThread
SelectorLimit
SetShadowDescriptorEntries
Sim32pGetVDMPointer
SoftPcEoi
SuspendTimerThread
VDDAllocMem
VDDAllocateDosHandle
VDDAssociateNtHandle
VDDDeInstallIOHook
VDDDeInstallMemoryHook
VDDDeInstallUserHook
VDDExcludeMem
VDDFreeMem
VDDIncludeMem
VDDInstallIOHook
VDDInstallMemoryHook
VDDInstallUserHook
VDDQueryDMA
VDDReleaseDosHandle
VDDReleaseIrqLine
VDDRequestDMA
VDDReserveIrqLine
VDDRetrieveNtHandle
VDDSetDMA
VDDSimulate16
VDDTerminateVDM
VdmDbgAttach
VdmGetParametersInfoError
VdmMapFlat
VdmParametersInfo
VdmTraceEvent
WOWSysErrorBox
WaitIfIdle
call_ica_hw_interrupt
cmdCheckTemp
cmdCheckTempInit
cpu_createthread
demClientErrorEx
demFileDelete
demFileFindFirst
demFileFindNext
demGetCurrentDirectoryLCDS
demGetFileTimeByHandle_WOW
demGetPhysicalDriveType
demIsShortPathName
demLFNCleanup
demLFNGetCurrentDirectory
demSetCurrentDirectoryGetDrive
demSetCurrentDirectoryLCDS
demWOWLFNAllocateSearchHandle
demWOWLFNCloseSearchHandle
demWOWLFNEntry
demWOWLFNGetSearchHandle
demWOWLFNInit
fSeparateWow
getAF
getAH
getAL
getAX
getBH
getBL
getBP
getBX
getCF
getCH
getCL
getCS
getCX
getDF
getDH
getDI
getDL
getDS
getDX
getEAX
getEBP
getEBX
getECX
getEDI
getEDX
getEFLAGS
getEIP
getES
getESI
getESP
getFS
getGS
getIF
getIP
getIntelRegistersPointer
getMSW
getOF
getPF
getSF
getSI
getSP
getSS
getZF
host_CreateThread
host_ExitThread
host_com_close
host_direct_access_error
host_simulate
pDeviceChain
setAF
setAH
setAL
setAX
setBH
setBL
setBP
setBX
setCF
setCH
setCL
setCS
setCX
setDF
setDH
setDI
setDL
setDS
setDX
setEAX
setEBP
setEBX
setECX
setEDI
setEDX
setEFLAGS
setEIP
setES
setESI
setESP
setFS
setGS
setIF
setIP
setMSW
setOF
setPF
setSF
setSI
setSP
setSS
setZF

Sections

.text
Size: 359KB - Virtual size: 359KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 268KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ee4fac7f8abf5a49bcd5b7f60aa5d367

Headers

File Characteristics

Imports

kernel32

ntdll

advapi32

gdi32

user32

Exports

Exports

Sections

.text Size: 359KB - Virtual size: 359KB

.data Size: 19KB - Virtual size: 268KB

.rsrc Size: 8KB - Virtual size: 7KB

.text
Size: 359KB - Virtual size: 359KB

.data
Size: 19KB - Virtual size: 268KB

.rsrc
Size: 8KB - Virtual size: 7KB