Broom[.]exe | Triage

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General

Target

Broom.exe
Size

5.3MB
MD5

00e93456aa5bcf9f60f84b0c0760a212
SHA1

6096890893116e75bd46fea0b8c3921ceb33f57d
SHA256

ff3025f9cf19323c5972d14f00f01296d6d7a71547eca7e4016bfd0e1f27b504
SHA512

abd2be819c7d93bd6097155cf84eaf803e3133a7e0ca71f9d9cbc3c65e4e4a26415d2523a36adafdd19b0751e25ea1a99b8d060cad61cdfd1f79adf9cd4b4eca
SSDEEP

98304:X4zVE2GO5za356R7mgdqMhW8hQjqb0It:gl7mg1WO

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Broom.exe

Files

Broom.exe
.exe windows:5 windows x86

0fb01de1d7eeb777ba27206dd99d7f7f

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Imports

winspool.drv

DocumentPropertiesW
ClosePrinter
OpenPrinterW
GetDefaultPrinterW
EnumPrintersW

comdlg32

GetSaveFileNameW
GetOpenFileNameW

comctl32

ImageList_GetImageInfo
FlatSB_SetScrollInfo
InitCommonControls
ImageList_DragMove
ImageList_Destroy
_TrackMouseEvent
ImageList_DragShowNolock
ImageList_Add
FlatSB_SetScrollProp
ImageList_GetDragImage
ImageList_Create
ImageList_EndDrag
ImageList_DrawEx
ImageList_SetImageCount
FlatSB_GetScrollPos
FlatSB_SetScrollPos
InitializeFlatSB
ImageList_Copy
FlatSB_GetScrollInfo
ImageList_Write
ImageList_SetBkColor
ImageList_GetBkColor
ImageList_BeginDrag
ImageList_GetIcon
ImageList_Replace
ImageList_GetImageCount
ImageList_DragEnter
ImageList_GetIconSize
ImageList_SetIconSize
ImageList_Read
ImageList_DragLeave
ImageList_LoadImageW
ImageList_Draw
ImageList_Remove
ImageList_ReplaceIcon
ImageList_SetOverlayImage

shell32

ExtractIconW
SHEmptyRecycleBinA
SHGetMalloc
SHGetDesktopFolder
SHGetSpecialFolderLocation
Shell_NotifyIconW
ShellExecuteW
ShellExecuteExW

user32

CopyImage
MoveWindow
SetMenuItemInfoW
GetMenuItemInfoW
SetCaretPos
GetCaretPos
DefFrameProcW
ScrollWindowEx
GetDlgCtrlID
FrameRect
RegisterWindowMessageW
GetMenuStringW
FillRect
SendMessageA
IsClipboardFormatAvailable
EnumWindows
ShowOwnedPopups
GetClassInfoExW
GetClassInfoW
GetScrollRange
SetActiveWindow
GetActiveWindow
DrawEdge
GetKeyboardLayoutList
LoadBitmapW
EnumChildWindows
GetScrollBarInfo
UnhookWindowsHookEx
SetCapture
GetCapture
ShowCaret
CreatePopupMenu
GetMenuItemID
DestroyCaret
CharLowerBuffW
PostMessageW
SetWindowLongW
IsZoomed
SetParent
DrawMenuBar
GetClientRect
IsChild
IsIconic
CallNextHookEx
ShowWindow
SetForegroundWindow
GetWindowTextW
GetAsyncKeyState
GetWindowTextLengthW
IsDialogMessageW
DestroyWindow
RegisterClassW
EndMenu
CharNextW
GetFocus
GetDC
SetFocus
ReleaseDC
GetClassLongW
SetScrollRange
DrawTextW
PeekMessageA
MessageBeep
SetClassLongW
RemovePropW
GetSubMenu
DestroyIcon
IsWindowVisible
PtInRect
DispatchMessageA
UnregisterClassW
GetTopWindow
SendMessageW
GetMessageTime
GetComboBoxInfo
LoadStringW
CreateMenu
CharLowerW
SetWindowRgn
SetWindowPos
GetWindowRgn
GetMenuItemCount
GetSysColorBrush
GetWindowDC
DrawTextExW
EnumClipboardFormats
GetScrollInfo
SetWindowTextW
GetMessageExtraInfo
GetSysColor
EnableScrollBar
TrackPopupMenu
DrawIconEx
GetClassNameW
GetMessagePos
GetIconInfo
SetScrollInfo
GetKeyNameTextW
GetDesktopWindow
SetCursorPos
GetCursorPos
SetMenu
GetMenuState
GetMenu
SetRect
GetKeyState
IsRectEmpty
ValidateRect
IsCharAlphaW
GetCursor
CopyRect
KillTimer
WaitMessage
TranslateMDISysAccel
GetWindowPlacement
GetMenuItemRect
CreateIconIndirect
CreateWindowExW
ChildWindowFromPoint
GetDCEx
PeekMessageW
MonitorFromWindow
MessageBoxA
SetTimer
WindowFromPoint
BeginPaint
RegisterClipboardFormatW
MapVirtualKeyW
OffsetRect
IsWindowUnicode
DispatchMessageW
CreateAcceleratorTableW
DefMDIChildProcW
GetSystemMenu
SetScrollPos
GetScrollPos
InflateRect
DrawFocusRect
ReleaseCapture
LoadCursorW
ScrollWindow
GetLastActivePopup
MessageBoxIndirectW
GetSystemMetrics
CharUpperBuffW
ClientToScreen
SetClipboardData
GetClipboardData
SetWindowPlacement
GetMonitorInfoW
CheckMenuItem
CharUpperW
DefWindowProcW
GetForegroundWindow
EnableWindow
GetWindowThreadProcessId
RedrawWindow
EndPaint
MsgWaitForMultipleObjectsEx
LoadKeyboardLayoutW
ActivateKeyboardLayout
GetParent
CreateCaret
MonitorFromRect
InsertMenuItemW
GetPropW
MessageBoxW
SetPropW
UpdateWindow
MsgWaitForMultipleObjects
DestroyMenu
SetWindowsHookExW
GetDoubleClickTime
EmptyClipboard
GetDlgItem
AdjustWindowRectEx
IsWindow
DrawIcon
EnumThreadWindows
InvalidateRect
SetKeyboardState
GetKeyboardState
ScreenToClient
DrawFrameControl
IsCharAlphaNumericW
WindowFromDC
SetCursor
CreateIcon
RemoveMenu
GetKeyboardLayoutNameW
OpenClipboard
TranslateMessage
MapWindowPoints
EnumDisplayMonitors
CallWindowProcW
CountClipboardFormats
CloseClipboard
DestroyCursor
CopyIcon
PostQuitMessage
ShowScrollBar
EnableMenuItem
HideCaret
FindWindowExW
MonitorFromPoint
LoadIconW
SystemParametersInfoW
GetWindow
GetWindowLongW
GetWindowRect
InsertMenuW
IsWindowEnabled
IsDialogMessageA
FindWindowW
GetKeyboardLayout
DeleteMenu

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

oleaut32

SysFreeString
VariantClear
VariantInit
GetErrorInfo
SysReAllocStringLen
SafeArrayCreate
SysAllocStringLen
SafeArrayPtrOfIndex
SafeArrayGetUBound
SafeArrayGetLBound
VariantCopy
VariantChangeType

wtsapi32

WTSQuerySessionInformationA
WTSFreeMemory

advapi32

RegSetValueExW
RegConnectRegistryW
RegEnumKeyExW
RegLoadKeyW
AdjustTokenPrivileges
GetUserNameW
RegDeleteKeyW
LookupPrivilegeValueW
OpenProcessToken
RegOpenKeyExW
RegQueryInfoKeyW
RegUnLoadKeyW
RegSaveKeyW
RegDeleteValueW
RegReplaceKeyW
RegFlushKey
RegQueryValueExW
RegEnumValueW
RegCloseKey
RegCreateKeyExW
RegRestoreKeyW

netapi32

NetWkstaGetInfo
NetApiBufferFree

msvcrt

memcpy
memset

kernel32

SetFileAttributesW
GetFileType
QueryDosDeviceW
GetACP
CloseHandle
LocalFree
GetCurrentProcessId
SizeofResource
VirtualProtect
ReadProcessMemory
QueryPerformanceFrequency
IsDebuggerPresent
FindNextFileW
GetFullPathNameW
VirtualFree
HeapAlloc
ExitProcess
FindNextChangeNotification
GetCPInfoExW
GlobalSize
WriteProcessMemory
RtlUnwind
GetCPInfo
EnumSystemLocalesW
GetStdHandle
FileTimeToLocalFileTime
GetModuleHandleW
FreeLibrary
TryEnterCriticalSection
HeapDestroy
FileTimeToDosDateTime
ReadFile
CreateProcessW
HeapSize
GetLastError
GetModuleFileNameW
SetLastError
GlobalAlloc
GlobalUnlock
FindResourceW
CreateThread
CompareStringW
MapViewOfFile
CreateMutexW
LoadLibraryA
GetVolumeInformationW
ResetEvent
MulDiv
FreeResource
GetDriveTypeW
GetVersion
RaiseException
GlobalAddAtomW
FindFirstChangeNotificationW
FormatMessageW
OpenProcess
SwitchToThread
GetExitCodeThread
GetCurrentThread
LoadLibraryExW
LockResource
GetCurrentThreadId
UnhandledExceptionFilter
GlobalFindAtomW
VirtualQuery
GlobalFree
VirtualQueryEx
Sleep
EnterCriticalSection
SetFilePointer
ReleaseMutex
LoadResource
SuspendThread
GetTickCount
WaitForMultipleObjects
GetFileSize
GlobalDeleteAtom
GetStartupInfoW
GetFileAttributesW
InitializeCriticalSection
GetThreadPriority
GetCurrentProcess
GlobalLock
SetThreadPriority
VirtualAlloc
GetCommandLineW
GetSystemInfo
LeaveCriticalSection
GetProcAddress
ResumeThread
VirtualAllocEx
GetLogicalDriveStringsW
WinExec
GetVersionExW
VerifyVersionInfoW
HeapCreate
GetDiskFreeSpaceW
VerSetConditionMask
FindFirstFileW
GetUserDefaultUILanguage
GetConsoleOutputCP
UnmapViewOfFile
GetConsoleCP
lstrlenW
SetEndOfFile
QueryPerformanceCounter
ProcessIdToSessionId
lstrcmpW
HeapFree
WideCharToMultiByte
FindClose
MultiByteToWideChar
LoadLibraryW
SetEvent
GetLocaleInfoW
CreateFileW
EnumResourceNamesW
DeleteFileW
IsDBCSLeadByteEx
FindCloseChangeNotification
GetEnvironmentVariableW
GetLocalTime
WaitForSingleObject
WriteFile
CreateFileMappingW
ExitThread
DeleteCriticalSection
GetDateFormatW
TlsGetValue
SetErrorMode
GetComputerNameW
IsValidLocale
TlsSetValue
VirtualFreeEx
CreateDirectoryW
GetSystemDefaultUILanguage
EnumCalendarInfoW
LocalAlloc
RemoveDirectoryW
CreateEventW
WaitForMultipleObjectsEx
GetThreadLocale
SetThreadLocale

ole32

IsEqualGUID
OleInitialize
OleUninitialize
CoInitialize
CoCreateInstance
CoUninitialize
CoTaskMemFree
CoTaskMemAlloc

gdi32

AddFontMemResourceEx
Pie
SetBkMode
CreateCompatibleBitmap
GetEnhMetaFileHeader
RectVisible
AngleArc
ResizePalette
SetAbortProc
SetTextColor
GetTextColor
StretchBlt
RoundRect
RestoreDC
SetRectRgn
GetTextMetricsW
GetWindowOrgEx
CreatePalette
CreateDCW
CreateICW
CreatePen
PolyBezierTo
GetStockObject
CreateSolidBrush
GetBkMode
Polygon
MoveToEx
PlayEnhMetaFile
Ellipse
StartPage
GetBitmapBits
StartDocW
AbortDoc
GetSystemPaletteEntries
GetEnhMetaFileBits
CreatePenIndirect
SetBitmapBits
GetEnhMetaFilePaletteEntries
SetMapMode
CreateFontIndirectW
PolyBezier
ExtCreatePen
GetBitmapDimensionEx
EndDoc
GetObjectW
GetCurrentObject
GetWinMetaFileBits
SetROP2
GetEnhMetaFileDescriptionW
ArcTo
Arc
SelectPalette
SetGraphicsMode
ExcludeClipRect
MaskBlt
SetWindowOrgEx
EndPage
DeleteEnhMetaFile
Chord
SetDIBits
SetViewportOrgEx
GetViewportOrgEx
CreateRectRgn
RealizePalette
SetDIBColorTable
GetDIBColorTable
GetGlyphOutlineW
CreateBrushIndirect
PatBlt
SetEnhMetaFileBits
PlgBlt
Rectangle
SaveDC
DeleteDC
BitBlt
SetWorldTransform
FrameRgn
GetDeviceCaps
GetTextExtentPoint32W
GetClipBox
Polyline
IntersectClipRect
CreateBitmap
CombineRgn
SetWinMetaFileBits
CreateDIBitmap
GetStretchBltMode
CreateDIBSection
SetStretchBltMode
GetDIBits
ExtCreateRegion
LineTo
GetRgnBox
EnumFontsW
SetWindowExtEx
CreateHalftonePalette
SelectObject
DeleteObject
ExtFloodFill
UnrealizeObject
CopyEnhMetaFileW
SetBkColor
CreateCompatibleDC
GetBrushOrgEx
GetCurrentPositionEx
GetNearestPaletteIndex
RemoveFontMemResourceEx
CreateRoundRectRgn
GetTextExtentPointW
ExtTextOutW
SetBrushOrgEx
GetPixel
GdiFlush
SetViewportExtEx
SetPixel
PolyPolyline
EnumFontFamiliesExW
StretchDIBits
GetPaletteEntries

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 3.9MB - Virtual size: 3.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 56KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 111KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 151B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 84B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 93B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 304KB - Virtual size: 304KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 967KB - Virtual size: 967KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

0fb01de1d7eeb777ba27206dd99d7f7f

Headers

File Characteristics

Imports

winspool.drv

comdlg32

comctl32

shell32

user32

version

oleaut32

wtsapi32

advapi32

netapi32

msvcrt

kernel32

ole32

gdi32

Exports

Exports

Sections

.text Size: 3.9MB - Virtual size: 3.9MB

.itext Size: 16KB - Virtual size: 16KB

.data Size: 56KB - Virtual size: 55KB

.bss Size: - Virtual size: 111KB

.idata Size: 15KB - Virtual size: 15KB

.didata Size: 3KB - Virtual size: 2KB

.edata Size: 512B - Virtual size: 151B

.tls Size: - Virtual size: 84B

.rdata Size: 512B - Virtual size: 93B

.reloc Size: 304KB - Virtual size: 304KB

.rsrc Size: 967KB - Virtual size: 967KB

.text
Size: 3.9MB - Virtual size: 3.9MB

.itext
Size: 16KB - Virtual size: 16KB

.data
Size: 56KB - Virtual size: 55KB

.bss
Size: - Virtual size: 111KB

.idata
Size: 15KB - Virtual size: 15KB

.didata
Size: 3KB - Virtual size: 2KB

.edata
Size: 512B - Virtual size: 151B

.tls
Size: - Virtual size: 84B

.rdata
Size: 512B - Virtual size: 93B

.reloc
Size: 304KB - Virtual size: 304KB

.rsrc
Size: 967KB - Virtual size: 967KB