backdoor[.]exe

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General

Target

backdoor.exe
Size

272KB
MD5

b12f4f0e990216d18ad7fa33be4799ac
SHA1

54db411a76b2377ace0b228ed66d211c3677992e
SHA256

d798a3cdd977cf931035efe06d3640f86753d9440faa9a4237cb34f07bff5385
SHA512

7dff4f19affa5084320450af093e1d366529b4881b86e9ceec5ad5a49b038304d014f30d327d5aa2b5226bf20fa788d3db1dbd7889e0a43ffc3df941fa413e81
SSDEEP

6144:A/mjPLKUVN9Q9X052cts22y3pLXyZ5c4Dl9dSx:AMVNM05pts22y3p76FS

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
backdoor.exe

Files

backdoor.exe
.exe windows:5 windows x86 arch:x86

020345b3f2031aa157b53b4e4c54a732

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

kernel32

FileTimeToLocalFileTime
GetFileAttributesW
GetFileSizeEx
GetFileTime
HeapAlloc
HeapFree
RtlUnwind
HeapReAlloc
RaiseException
VirtualProtect
VirtualAlloc
GetSystemInfo
VirtualQuery
HeapSize
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
GetModuleFileNameA
CreateFileW
GetEnvironmentStringsW
SetHandleCount
GetStartupInfoA
HeapCreate
VirtualFree
QueryPerformanceCounter
GetTickCount
GetSystemTimeAsFileTime
InitializeCriticalSectionAndSpinCount
GetTimeZoneInformation
GetConsoleCP
GetConsoleMode
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
SetStdHandle
WriteConsoleA
CreateFileA
SetEnvironmentVariableA
GetFullPathNameW
GetVolumeInformationW
FindFirstFileW
FindClose
GetCurrentProcess
DuplicateHandle
GetFileSize
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
ReadFile
WritePrivateProfileStringW
GetModuleHandleA
GlobalFlags
TlsFree
DeleteCriticalSection
LocalReAlloc
TlsSetValue
TlsAlloc
InitializeCriticalSection
GlobalHandle
GlobalReAlloc
EnterCriticalSection
TlsGetValue
LeaveCriticalSection
LocalAlloc
FileTimeToSystemTime
GetCurrentProcessId
SetErrorMode
GetCurrentThread
ConvertDefaultLocale
EnumResourceLanguagesW
GetLocaleInfoW
LoadLibraryExW
CompareStringA
InterlockedExchange
InterlockedDecrement
InterlockedIncrement
lstrlenA
lstrcmpA
CloseHandle
GetCurrentThreadId
GlobalAddAtomW
GlobalFindAtomW
GlobalDeleteAtom
LoadLibraryW
CompareStringW
LoadLibraryA
FreeLibrary
lstrcmpW
GetProcAddress
GetVersionExA
GetLastError
SetLastError
GlobalFree
GlobalAlloc
GlobalLock
GlobalUnlock
FormatMessageW
LocalFree
lstrlenW
WriteConsoleW
ExitProcess
GetModuleFileNameW
WriteFile
SetConsoleOutputCP
GetConsoleOutputCP
WideCharToMultiByte
GetFileType
ExpandEnvironmentStringsW
GetStdHandle
Sleep
GetModuleHandleW
GetCommandLineW
MultiByteToWideChar
FindResourceW
LoadResource
LockResource
FreeEnvironmentStringsW
SizeofResource

user32

CharUpperW
SetCursor
GrayStringW
DrawTextExW
DrawTextW
TabbedTextOutW
ClientToScreen
DestroyMenu
ShowWindow
SetWindowTextW
LoadCursorW
GetDC
ReleaseDC
GetSysColorBrush
GetWindowThreadProcessId
IsWindowEnabled
PostQuitMessage
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
ModifyMenuW
CheckMenuItem
GetMessageW
TranslateMessage
GetCursorPos
ValidateRect
RegisterWindowMessageW
LoadIconW
WinHelpW
GetCapture
SetWindowsHookExW
CallNextHookEx
GetClassLongW
GetClassNameW
SetPropW
GetPropW
RemovePropW
GetFocus
IsWindow
GetWindowTextW
GetForegroundWindow
GetLastActivePopup
DispatchMessageW
GetDlgItem
GetTopWindow
DestroyWindow
UnhookWindowsHookEx
GetMessageTime
GetMessagePos
PeekMessageW
MapWindowPoints
GetActiveWindow
CharToOemBuffW
GetSubMenu
GetKeyState
SetMenu
EnableWindow
SetForegroundWindow
IsWindowVisible
GetClientRect
PostMessageW
LoadBitmapW
GetMenuItemCount
GetMenuItemID
GetMenuState
GetWindow
GetSystemMetrics
GetWindowRect
GetWindowPlacement
IsIconic
SystemParametersInfoA
SetWindowPos
SetWindowLongW
GetWindowLongW
GetMenu
PtInRect
CopyRect
CallWindowProcW
DefWindowProcW
SendMessageW
GetDlgCtrlID
MessageBoxW
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
GetSysColor
AdjustWindowRectEx
GetParent
EnableMenuItem

gdi32

DeleteDC
GetStockObject
ScaleWindowExtEx
SetWindowExtEx
ScaleViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SelectObject
Escape
TextOutW
RectVisible
GetDeviceCaps
SetMapMode
RestoreDC
SaveDC
DeleteObject
ExtTextOutW
CreateBitmap
SetBkColor
SetTextColor
GetClipBox
PtVisible

comdlg32

GetFileTitleW

winspool.drv

DocumentPropertiesW
OpenPrinterW
ClosePrinter

advapi32

RegSetValueExW
RegEnumKeyW
RegDeleteKeyW
RegQueryValueW
RegOpenKeyW
RegCreateKeyExW
RegCloseKey
RegQueryValueExW
RegEnumKeyExW
RegOpenKeyExW

shlwapi

PathStripToRootW
PathIsUNCW
PathFindFileNameW
PathFindExtensionW

ole32

CoDisconnectObject
StringFromGUID2
CoGetObject
CoCreateInstance
CLSIDFromProgID
CoInitialize

oleaut32

SysFreeString
VariantInit
VariantCopy
VariantClear
SysAllocStringLen
VariantChangeType
LoadTypeLibEx
LoadRegTypeLi
SysAllocString
SysStringLen
LoadTypeLi

Sections

.text
Size: 164KB - Virtual size: 164KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 42KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 9KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 25KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 30KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

020345b3f2031aa157b53b4e4c54a732

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

comdlg32

winspool.drv

advapi32

shlwapi

ole32

oleaut32

Sections

.text Size: 164KB - Virtual size: 164KB

.rdata Size: 42KB - Virtual size: 42KB

.data Size: 9KB - Virtual size: 24KB

.rsrc Size: 25KB - Virtual size: 25KB

.reloc Size: 30KB - Virtual size: 29KB

.text
Size: 164KB - Virtual size: 164KB

.rdata
Size: 42KB - Virtual size: 42KB

.data
Size: 9KB - Virtual size: 24KB

.rsrc
Size: 25KB - Virtual size: 25KB

.reloc
Size: 30KB - Virtual size: 29KB