Build[.]exe | Triage

Resubmissions

18-04-2024 21:22

240418-z79h3sgd3t 7

Sharing

Copy URL

Twitter E-mail

General

Target

Build.exe
Size

4.9MB
MD5

cf6a645376d377f9c835635db4316f5a
SHA1

2741a7d7d9297a48b2e5b4f74b86f49fc8908ea3
SHA256

367fbcb7b21b2826e0dd185887130f0a632388d8edc6cc28042694dc513ea5e0
SHA512

1c12c882149901b062a5c8cd34da2ed92424cda2a06d459667acd1a6a0c40af4aa99d70a689e864e6542fdbc1e97ca71d76ed35a321759f6ce4db1f75981e916
SSDEEP

98304:3gG/eCWi90SoQtz42eBOGAOPtqwAAkTXg:3bc6z42JOFqwAq

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Build.exe

Files

Build.exe
.exe windows:6 windows x86 arch:x86

b864f141c44436cc81c2486a7eabcc4d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

winspool.drv

DocumentPropertiesW
ClosePrinter
OpenPrinterW
GetDefaultPrinterW
EnumPrintersW

comctl32

ImageList_GetImageInfo
FlatSB_SetScrollInfo
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_DrawIndirect
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

ws2_32

WSAIoctl

shell32

SHGetFolderPathW
Shell_NotifyIconW
SHAppBarMessage
ShellExecuteW
ShellExecuteExW

user32

CopyImage
SetMenuItemInfoW
GetMenuItemInfoW
DefFrameProcW
GetDlgCtrlID
FrameRect
ToAsciiEx
RegisterWindowMessageW
GetMenuStringW
FillRect
SendMessageA
IsClipboardFormatAvailable
EnumWindows
ShowOwnedPopups
GetClassInfoW
GetScrollRange
SetActiveWindow
GetActiveWindow
DrawEdge
GetKeyboardLayoutList
LoadBitmapW
EnumChildWindows
GetScrollBarInfo
UnhookWindowsHookEx
SetCapture
GetCapture
ShowCaret
CreatePopupMenu
GetMenuItemID
CharLowerBuffW
PostMessageW
SetWindowLongW
IsZoomed
SetParent
DrawMenuBar
GetClientRect
IsChild
IsIconic
CallNextHookEx
ShowWindow
GetAsyncKeyState
GetWindowTextW
SetForegroundWindow
IsDialogMessageW
DestroyWindow
RegisterClassW
EndMenu
CharNextW
GetFocus
GetDC
SetFocus
ReleaseDC
GetClassLongW
SetScrollRange
DrawTextW
PeekMessageA
MessageBeep
SetClassLongW
RemovePropW
GetSubMenu
DestroyIcon
IsWindowVisible
DispatchMessageA
UnregisterClassW
GetTopWindow
SendMessageW
LoadStringW
CreateMenu
CharLowerW
SetWindowRgn
SetWindowPos
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
ValidateRect
GetCursor
KillTimer
WaitMessage
TranslateMDISysAccel
GetWindowPlacement
CreateIconIndirect
CreateWindowExW
GetDCEx
PeekMessageW
GetUpdateRect
MonitorFromWindow
SetTimer
WindowFromPoint
BeginPaint
RegisterClipboardFormatW
MapVirtualKeyW
IsWindowUnicode
DispatchMessageW
CreateAcceleratorTableW
DefMDIChildProcW
GetSystemMenu
SetScrollPos
GetScrollPos
DrawFocusRect
ReleaseCapture
LoadCursorW
ScrollWindow
GetLastActivePopup
GetSystemMetrics
CharUpperBuffW
SetClipboardData
GetClipboardData
ClientToScreen
SetWindowPlacement
GetMonitorInfoW
CheckMenuItem
CharUpperW
DefWindowProcW
GetForegroundWindow
EnableWindow
GetWindowThreadProcessId
RedrawWindow
EndPaint
MsgWaitForMultipleObjectsEx
LoadKeyboardLayoutW
ActivateKeyboardLayout
GetParent
InsertMenuItemW
MonitorFromRect
GetPropW
MessageBoxW
SetPropW
UpdateWindow
MsgWaitForMultipleObjects
DestroyMenu
SetWindowsHookExW
EmptyClipboard
AdjustWindowRectEx
IsWindow
DrawIcon
EnumThreadWindows
InvalidateRect
GetKeyboardState
ScreenToClient
DrawFrameControl
WindowFromDC
SetCursor
CreateIcon
RemoveMenu
GetKeyboardLayoutNameW
OpenClipboard
TranslateMessage
MapWindowPoints
EnumDisplayMonitors
CountClipboardFormats
CallWindowProcW
CloseClipboard
DestroyCursor
EnumDisplayDevicesW
CharUpperBuffA
CopyIcon
PostQuitMessage
ShowScrollBar
EnableMenuItem
HideCaret
FindWindowExW
LoadIconW
SystemParametersInfoW
MonitorFromPoint
GetWindow
GetWindowRect
GetWindowLongW
InsertMenuW
IsWindowEnabled
IsDialogMessageA
FindWindowW
GetKeyboardLayout
DeleteMenu

version

GetFileVersionInfoSizeW
VerQueryValueW
VerQueryValueA
GetFileVersionInfoW

oleaut32

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

netapi32

Netbios

advapi32

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

msvcrt

_endthreadex
_beginthreadex
isupper
isalpha
isalnum
toupper
memchr
memcmp
memcpy
memset
isprint
isspace
iscntrl
isxdigit
ispunct
isgraph
islower
tolower

kernel32

GetFileTime
GetFileType
SetFileTime
FlushViewOfFile
GetACP
GetExitCodeProcess
CloseHandle
LocalFree
GetCurrentProcessId
SizeofResource
VirtualProtect
UnlockFile
TerminateThread
QueryPerformanceFrequency
IsDebuggerPresent
FindNextFileW
FlushInstructionCache
GetFullPathNameW
VirtualFree
GetProcessHeap
HeapAlloc
ExitProcess
GetFileAttributesA
GetCPInfoExW
GlobalSize
GetSystemTime
RtlUnwind
GetCPInfo
GetTempPathA
EnumSystemLocalesW
GetStdHandle
GetTimeZoneInformation
FileTimeToLocalFileTime
GetVersionExA
SystemTimeToTzSpecificLocalTime
GetModuleHandleW
FreeLibrary
TryEnterCriticalSection
HeapDestroy
FileTimeToDosDateTime
ReadFile
DosDateTimeToFileTime
GetDiskFreeSpaceA
CreateProcessW
HeapSize
GetLastError
GetModuleFileNameW
SetLastError
GlobalAlloc
GlobalUnlock
FindResourceW
CreateThread
CompareStringW
LockFileEx
CopyFileW
HeapValidate
MapViewOfFile
CreateMutexW
LoadLibraryA
AreFileApisANSI
ResetEvent
MulDiv
CreateFileA
FreeResource
GetVersion
DeleteFileA
RaiseException
MoveFileW
GlobalAddAtomW
GetSystemTimeAsFileTime
FormatMessageW
OpenProcess
SwitchToThread
GetExitCodeThread
OutputDebugStringW
GetCurrentThread
GetLogicalDrives
LocalFileTimeToFileTime
CreateFileMappingA
GetFileAttributesExW
HeapReAlloc
IsBadReadPtr
LoadLibraryExW
TerminateProcess
LockResource
FileTimeToSystemTime
GetCurrentThreadId
UnhandledExceptionFilter
GlobalFindAtomW
VirtualQuery
GlobalFree
VirtualQueryEx
Sleep
EnterCriticalSection
SetFilePointer
FlushFileBuffers
LoadResource
SuspendThread
GetTickCount
HeapCompact
WaitForMultipleObjects
GetFullPathNameA
GetFileSize
GlobalDeleteAtom
GetStartupInfoW
GetFileAttributesW
InitializeCriticalSection
GetThreadPriority
GetCurrentProcess
GlobalLock
SetThreadPriority
AllocConsole
VirtualAlloc
GetTempPathW
GetCommandLineW
GetSystemInfo
LeaveCriticalSection
GetProcAddress
ResumeThread
GetVersionExW
VerifyVersionInfoW
HeapCreate
GetEnvironmentStringsW
UnlockFileEx
LCMapStringW
GetDiskFreeSpaceW
VerSetConditionMask
FindFirstFileW
GetUserDefaultUILanguage
GetConsoleOutputCP
LockFile
UnmapViewOfFile
GetConsoleCP
lstrlenW
SetEndOfFile
QueryPerformanceCounter
WaitForSingleObjectEx
HeapFree
WideCharToMultiByte
FindClose
MultiByteToWideChar
LoadLibraryW
FreeEnvironmentStringsW
SetEvent
GetLocaleInfoW
CreateFileW
SystemTimeToFileTime
EnumResourceNamesW
DeleteFileW
IsDBCSLeadByteEx
FormatMessageA
GetEnvironmentVariableW
GetLocalTime
WaitForSingleObject
OutputDebugStringA
WriteFile
CreateFileMappingW
ExitThread
OpenThread
DeleteCriticalSection
GetDateFormatW
TlsGetValue
SetErrorMode
GetComputerNameW
IsValidLocale
TlsSetValue
CreateDirectoryW
GetSystemDefaultUILanguage
EnumCalendarInfoW
SetConsoleTextAttribute
LocalAlloc
RemoveDirectoryW
CreateEventW
WaitForMultipleObjectsEx
GetThreadLocale
SetThreadLocale

wsock32

gethostbyaddr
WSACleanup
gethostbyname
bind
gethostname
closesocket
WSAGetLastError
connect
inet_addr
getpeername
WSAAsyncSelect
WSAAsyncGetServByName
WSACancelAsyncRequest
send
ntohs
htons
WSAStartup
getservbyname
getsockname
listen
socket
recv
inet_ntoa
ioctlsocket
WSAAsyncGetHostByName

ole32

IsEqualGUID
OleInitialize
CLSIDFromProgID
OleUninitialize
CoInitialize
CoCreateInstance
CoUninitialize
CoTaskMemFree
CoTaskMemAlloc

gdi32

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

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 4.2MB - Virtual size: 4.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 13KB - Virtual size: 13KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 225KB - Virtual size: 224KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 56KB

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: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 154B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 196B

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: 303KB - Virtual size: 303KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 183KB - Virtual size: 182KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

b864f141c44436cc81c2486a7eabcc4d

Headers

DLL Characteristics

File Characteristics

Imports

winspool.drv

comctl32

ws2_32

shell32

user32

version

oleaut32

netapi32

advapi32

msvcrt

kernel32

wsock32

ole32

gdi32

Exports

Exports

Sections

.text Size: 4.2MB - Virtual size: 4.2MB

.itext Size: 13KB - Virtual size: 13KB

.data Size: 225KB - Virtual size: 224KB

.bss Size: - Virtual size: 56KB

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

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

.edata Size: 512B - Virtual size: 154B

.tls Size: - Virtual size: 196B

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

.reloc Size: 303KB - Virtual size: 303KB

.rsrc Size: 183KB - Virtual size: 182KB

.text
Size: 4.2MB - Virtual size: 4.2MB

.itext
Size: 13KB - Virtual size: 13KB

.data
Size: 225KB - Virtual size: 224KB

.bss
Size: - Virtual size: 56KB

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

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

.edata
Size: 512B - Virtual size: 154B

.tls
Size: - Virtual size: 196B

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

.reloc
Size: 303KB - Virtual size: 303KB

.rsrc
Size: 183KB - Virtual size: 182KB