Lexburb[.]exe | Triage

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General

Target

Lexburb.exe
Size

2.1MB
MD5

d29fb2641158504214f584a77143cf73
SHA1

e745d53306f9874fef1574ea72cb012864ccedf0
SHA256

4abd10a7267f0cc51e1a7223a822907faff2b9b18baff55c1c4cc21b5a1cbf30
SHA512

847c07c30026efbd6cdff3e8c69bf40097cc2bae9a386ef7b81654d3d4c8f109114824aa162c90af8a1005802669e3eb17471658242544e045d3fc706fe9f864
SSDEEP

49152:sy/wkuWVz351bxVnkJP0zfscIEytcN+oDZaJLcLXUtgw+VVNKCzR8WCWk:Y0zXbxVnkJP0zfsjEytq+oDZaJQg+NKF

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Lexburb.exe

Files

Lexburb.exe
.exe windows x86

bed5a7b3684c553fc40ce70f0ea86ecf

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_ISOLATION
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

CreateFileW
GetProcessHeap
SetEnvironmentVariableA
UnmapViewOfFile
FindFirstFileA
FindClose
Sleep
OpenProcess
VirtualAllocEx
ReadProcessMemory
GetModuleFileNameA
GetDriveTypeW
GetCurrentDirectoryW
FindFirstFileExA
GetDriveTypeA
GetFileInformationByHandle
ExpandEnvironmentStringsA
CompareStringW
PeekNamedPipe
GetSystemDirectoryA
VerSetConditionMask
VerifyVersionInfoA
SleepEx
WriteConsoleW
lstrcpyA
GetTimeZoneInformation
LCMapStringW
GetStringTypeW
QueryPerformanceCounter
SetHandleCount
GetEnvironmentStringsW
FreeEnvironmentStringsW
IsValidCodePage
GetConsoleMode
GetConsoleCP
IsProcessorFeaturePresent
lstrcatA
WritePrivateProfileStringA
VirtualFreeEx
WideCharToMultiByte
GetModuleHandleA
GetProcAddress
GetCurrentProcess
CloseHandle
lstrlenA
MultiByteToWideChar
EnterCriticalSection
LeaveCriticalSection
GetLastError
TerminateProcess
IsDebuggerPresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
HeapCreate
GetStdHandle
GetFileType
SetStdHandle
GetSystemTimeAsFileTime
HeapSize
HeapQueryInformation
CreateThread
ExitThread
HeapReAlloc
GetStartupInfoW
HeapSetInformation
GetCommandLineA
RaiseException
ExitProcess
DecodePointer
EncodePointer
VirtualQuery
VirtualAlloc
RtlUnwind
HeapFree
HeapAlloc
FindResourceExW
VirtualProtect
GetProfileIntA
GetTickCount
SearchPathA
GetTempPathA
GetTempFileNameA
GetFileTime
GetFileSizeEx
FileTimeToLocalFileTime
GetFileAttributesExA
SetErrorMode
GetNumberFormatA
GetWindowsDirectoryA
GetFullPathNameA
GetVolumeInformationA
DuplicateHandle
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
lstrcmpiA
GetFileSize
InitializeCriticalSectionAndSpinCount
FileTimeToSystemTime
GetThreadLocale
GetOEMCP
GetCPInfo
InterlockedIncrement
TlsFree
DeleteCriticalSection
LocalReAlloc
TlsSetValue
TlsAlloc
InitializeCriticalSection
GlobalHandle
GlobalReAlloc
TlsGetValue
LocalAlloc
GetACP
GlobalFlags
InterlockedDecrement
GetModuleFileNameW
ReleaseActCtx
CreateActCtxW
GetPrivateProfileStringA
GetPrivateProfileIntA
WaitForSingleObject
ResumeThread
SetThreadPriority
GetCurrentThread
GetUserDefaultUILanguage
ConvertDefaultLocale
GetSystemDefaultUILanguage
GetLocaleInfoA
lstrcmpA
GetModuleHandleW
GetCurrentProcessId
CopyFileA
GlobalSize
GlobalAlloc
FormatMessageA
LocalFree
lstrlenW
MulDiv
GetCurrentThreadId
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
GetVersionExA
FreeLibrary
CompareStringA
LoadLibraryW
LoadLibraryA
ActivateActCtx
DeactivateActCtx
SetLastError
lstrcmpW
GlobalLock
GlobalUnlock
GlobalFree
FindResourceA
FreeResource
WriteFile
SetFileTime
GetCurrentDirectoryA
GetFileAttributesA
CreateDirectoryA
LocalFileTimeToFileTime
SystemTimeToFileTime
ReadFile
SetFilePointer
FindResourceW
LoadResource
LockResource
SizeofResource
GetSystemInfo
DeleteFileA
CreateFileA
WaitForMultipleObjects
InterlockedExchange

user32

GetAsyncKeyState
CharUpperA
GetKeyboardState
GetKeyboardLayout
MapVirtualKeyA
ToAsciiEx
CopyAcceleratorTableA
PostThreadMessageA
LoadMenuW
WaitMessage
ReleaseCapture
WindowFromPoint
SetCapture
LoadCursorW
SetLayeredWindowAttributes
EnumDisplayMonitors
SetRectEmpty
KillTimer
SetTimer
DeleteMenu
LoadCursorA
GetSysColorBrush
DestroyMenu
GetMenuItemInfoA
RealChildWindowFromPoint
SetWindowContextHelpId
MapDialogRect
ShowOwnedPopups
SetCursor
GetMessageA
TranslateMessage
GetCursorPos
ValidateRect
SystemParametersInfoA
OffsetRect
MessageBeep
RedrawWindow
PostQuitMessage
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
LoadBitmapW
ModifyMenuA
EnableMenuItem
CheckMenuItem
IntersectRect
InflateRect
ShowWindow
MoveWindow
SetWindowTextA
IsDialogMessageA
CheckDlgButton
EndPaint
BeginPaint
GetDC
ClientToScreen
GrayStringA
DrawTextExA
DrawTextA
TabbedTextOutA
FillRect
GetMenuState
GetMenuStringA
AppendMenuA
InsertMenuA
RemoveMenu
RegisterWindowMessageA
LoadIconW
LoadIconA
SendDlgItemMessageA
WinHelpA
IsChild
GetCapture
SetWindowsHookExA
CallNextHookEx
GetClassLongA
GetClassNameA
SetPropA
GetPropA
DestroyAcceleratorTable
GetFocus
SetFocus
GetWindowTextLengthA
GetWindowTextA
GetForegroundWindow
GetLastActivePopup
DispatchMessageA
BeginDeferWindowPos
EndDeferWindowPos
GetTopWindow
UnhookWindowsHookEx
GetMessageTime
GetMessagePos
PeekMessageA
MonitorFromWindow
GetMonitorInfoA
MapWindowPoints
ScrollWindow
TrackPopupMenu
GetKeyState
SetMenu
SetScrollRange
GetScrollRange
SetScrollPos
GetScrollPos
SetForegroundWindow
ShowScrollBar
LoadAcceleratorsW
CreateAcceleratorTableA
SetWindowRgn
IsWindowVisible
UpdateWindow
GetWindowLongA
PtInRect
DrawIcon
SendMessageA
IsIconic
PostMessageA
GetSubMenu
GetMenuItemID
GetMenuItemCount
MessageBoxA
CreateWindowExA
GetClassInfoExA
GetClassInfoA
RegisterClassA
GetSysColor
AdjustWindowRectEx
ScreenToClient
EqualRect
DeferWindowPos
GetScrollInfo
SetScrollInfo
NotifyWinEvent
CreatePopupMenu
SetParent
SetClassLongA
TranslateAcceleratorA
BringWindowToTop
InsertMenuItemA
LoadAcceleratorsA
DestroyIcon
LoadImageA
LoadMenuA
ReuseDDElParam
UnpackDDElParam
CopyRect
SetWindowPlacement
GetWindowPlacement
GetDlgCtrlID
DefWindowProcA
CallWindowProcA
GetMenu
SetWindowLongA
SetWindowPos
GetWindow
GetDesktopWindow
CloseClipboard
MonitorFromPoint
GetSystemMenu
IsMenu
IsRectEmpty
LockWindowUpdate
EnumChildWindows
RegisterClipboardFormatA
IsZoomed
GetWindowRect
GetClientRect
GetWindowDC
ReleaseDC
InvalidateRect
GetSystemMetrics
DrawIconEx
EnableWindow
FindWindowExA
FindWindowA
GetWindowThreadProcessId
wsprintfA
EndDialog
GetNextDlgTabItem
GetParent
IsWindowEnabled
GetDlgItem
IsWindow
DestroyWindow
CreateDialogIndirectParamA
DrawStateA
OpenClipboard
CopyImage
SetActiveWindow
GetActiveWindow
SetClipboardData
DestroyCursor
GetWindowRgn
GetDoubleClickTime
CreateMenu
SubtractRect
CopyIcon
CharUpperBuffA
GetUpdateRect
FrameRect
TranslateMDISysAccel
DrawMenuBar
DefMDIChildProcA
DefFrameProcA
IsClipboardFormatAvailable
MapVirtualKeyExA
GetKeyNameTextA
IsCharLowerA
SetMenuDefaultItem
UpdateLayeredWindow
UnionRect
SetCursorPos
DrawFrameControl
DrawEdge
GetIconInfo
EnableScrollBar
HideCaret
DrawFocusRect
InvertRect
GetMenuDefaultItem
UnregisterClassA
GetNextDlgGroupItem
InvalidateRgn
SetRect
CharNextA
LoadImageW
EmptyClipboard
RemovePropA

gdi32

SetBkMode
SetPolyFillMode
SetROP2
SetMapMode
GetClipBox
ExcludeClipRect
IntersectClipRect
LineTo
MoveToEx
SetTextAlign
GetLayout
SetLayout
SelectClipRgn
CreateRectRgn
GetViewportExtEx
GetWindowExtEx
GetPixel
PtVisible
RectVisible
TextOutA
ExtTextOutA
Escape
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowOrgEx
OffsetWindowOrgEx
SetWindowExtEx
ScaleWindowExtEx
ExtSelectClipRgn
CreatePatternBrush
CreateBitmap
GetStockObject
SelectPalette
GetObjectType
CreatePen
CreateSolidBrush
CreateHatchBrush
CreateFontIndirectA
RestoreDC
SetRectRgn
CombineRgn
GetMapMode
PatBlt
DPtoLP
GetTextMetricsA
CreateDIBitmap
CreateCompatibleBitmap
EnumFontFamiliesA
GetTextCharsetInfo
OffsetRgn
GetRgnBox
CreateRoundRectRgn
GetTextColor
GetDIBits
RealizePalette
StretchBlt
SetPixel
GetBkColor
CreatePalette
GetPaletteEntries
GetNearestPaletteIndex
GetSystemPaletteEntries
CreatePolygonRgn
CreateEllipticRgn
Polyline
Ellipse
Polygon
Rectangle
EnumFontFamiliesExA
GetWindowOrgEx
LPtoDP
PtInRegion
FillRgn
FrameRgn
GetBoundsRect
GetViewportOrgEx
ExtFloodFill
SetPaletteEntries
GetTextFaceA
SetPixelV
SaveDC
CreateDCA
CopyMetaFileA
GetDeviceCaps
SetBkColor
SetTextColor
CreateDIBSection
GetTextExtentPoint32A
DeleteObject
GetObjectA
SetDIBColorTable
SelectObject
DeleteDC
CreateRectRgnIndirect
CreateCompatibleDC
BitBlt

msimg32

AlphaBlend
TransparentBlt

comdlg32

GetFileTitleA

winspool.drv

OpenPrinterA
DocumentPropertiesA
ClosePrinter

advapi32

CryptImportKey
RegCloseKey
RegQueryValueExA
RegOpenKeyExA
RegCreateKeyExA
RegSetValueExA
RegDeleteValueA
RegDeleteKeyA
RegEnumKeyA
RegQueryValueA
RegEnumValueA
RegEnumKeyExA
CryptReleaseContext
CryptGenRandom
CryptAcquireContextA
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptGetHashParam
CryptDestroyKey
CryptEncrypt

shell32

ShellExecuteA
SHGetDesktopFolder
SHGetSpecialFolderLocation
SHGetFileInfoA
SHAppBarMessage
DragQueryFileA
DragFinish
SHBrowseForFolderA
SHGetPathFromIDListA
SHGetMalloc

comctl32

ImageList_GetIconSize
InitCommonControlsEx

shlwapi

PathFindFileNameA
PathStripToRootA
PathRemoveFileSpecW
PathIsUNCA
PathFindExtensionA
PathStripPathA

ole32

RegisterDragDrop
CoLockObjectExternal
RevokeDragDrop
CoRevokeClassObject
CoRegisterMessageFilter
OleIsCurrentClipboard
OleFlushClipboard
DoDragDrop
OleGetClipboard
CoInitializeEx
OleUninitialize
CoFreeUnusedLibraries
OleInitialize
OleCreateMenuDescriptor
OleDestroyMenuDescriptor
OleTranslateAccelerator
IsAccelerator
OleLockRunning
CreateILockBytesOnHGlobal
StgCreateDocfileOnILockBytes
StgOpenStorageOnILockBytes
CoGetClassObject
CreateStreamOnHGlobal
CoInitialize
CoUninitialize
CoCreateInstance
CLSIDFromString
CLSIDFromProgID
CoCreateGuid
OleDuplicateData
CoTaskMemAlloc
ReleaseStgMedium
CoTaskMemFree

oleaut32

SysStringLen
VariantCopy
SafeArrayDestroy
VariantTimeToSystemTime
SystemTimeToVariantTime
VarBstrFromDate
OleCreateFontIndirect
SysAllocString
SysAllocStringByteLen
SysFreeString
VariantInit
SysAllocStringLen
VariantChangeType
VariantClear

oledlg

ord8

gdiplus

GdipDeleteGraphics
GdipDisposeImage
GdipGetImageWidth
GdipGetImageHeight
GdipGetImagePixelFormat
GdipGetImagePaletteSize
GdipGetImagePalette
GdipCreateBitmapFromFile
GdipCreateBitmapFromScan0
GdipBitmapLockBits
GdipBitmapUnlockBits
GdiplusStartup
GdiplusShutdown
GdipGetImageGraphicsContext
GdipDrawImageI
GdipCloneImage
GdipCreateBitmapFromStream
GdipCreateBitmapFromHBITMAP
GdipCreateFromHDC
GdipSetInterpolationMode
GdipDrawImageRectI
GdipAlloc
GdipFree

wldap32

ord22
ord211
ord143
ord60
ord50
ord26
ord30
ord200
ord32
ord35
ord79
ord33
ord301
ord27
ord41
ord46

ws2_32

ntohl
htonl
gethostname
ioctlsocket
listen
accept
recvfrom
sendto
getaddrinfo
freeaddrinfo
connect
socket
closesocket
getpeername
getsockopt
htons
bind
ntohs
getsockname
setsockopt
WSAIoctl
send
recv
select
WSAGetLastError
__WSAFDIsSet
WSASetLastError
WSACleanup
WSAStartup

crypt32

CertFreeCertificateContext

oleacc

AccessibleObjectFromWindow
CreateStdAccessibleObject
LresultFromObject

imm32

ImmReleaseContext
ImmGetContext
ImmGetOpenStatus

winmm

PlaySoundA

Sections

.text
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 348KB - Virtual size: 348KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 25KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 57KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 175KB - Virtual size: 175KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bed5a7b3684c553fc40ce70f0ea86ecf

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

msimg32

comdlg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

ole32

oleaut32

oledlg

gdiplus

wldap32

ws2_32

crypt32

oleacc

imm32

winmm

Sections

.text Size: 1.5MB - Virtual size: 1.5MB

.rdata Size: 348KB - Virtual size: 348KB

.data Size: 25KB - Virtual size: 54KB

.rsrc Size: 57KB - Virtual size: 56KB

.reloc Size: 175KB - Virtual size: 175KB

.text
Size: 1.5MB - Virtual size: 1.5MB

.rdata
Size: 348KB - Virtual size: 348KB

.data
Size: 25KB - Virtual size: 54KB

.rsrc
Size: 57KB - Virtual size: 56KB

.reloc
Size: 175KB - Virtual size: 175KB