Static task
static1
Behavioral task
behavioral1
Sample
CHATSPAM.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
CHATSPAM.exe
Resource
win10v2004-20240508-en
General
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Target
CHATSPAM.exe
-
Size
946KB
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MD5
48a12b93e052e5269ebe3e7d598cb556
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SHA1
6290bf9d12dc4519d92890fb8c07e558a7cd7fc5
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SHA256
44c71bc5504d8e3a8f47b77ffdd79fb87f816b05d756e9c30815d2ba79733ae6
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SHA512
2ae7745c52cb2ceb5e0ae0d8193629e09d004856830f5c1324952d4127745c0a94985f446f6728a2f3745bf497f01c603cac94448c2b9054ca2d0647aa1c77fb
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SSDEEP
24576:ERNgqiwmy2psUaUU3DqwCH6a3dEK1p9QLVHqn:mi+R+6atEK1p9
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource CHATSPAM.exe
Files
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CHATSPAM.exe.exe windows:5 windows x86 arch:x86
f072b86a374a82ec6f2d999d1cc3c4f7
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
wsock32
WSACleanup
inet_addr
gethostbyname
gethostname
WSAStartup
winmm
mixerSetControlDetails
waveOutGetVolume
joyGetPosEx
mixerGetControlDetailsW
mixerOpen
mixerGetDevCapsW
mixerGetLineControlsW
waveOutSetVolume
mixerClose
mciSendStringW
joyGetDevCapsW
mixerGetLineInfoW
version
VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW
comctl32
ImageList_Create
CreateStatusWindowW
ImageList_ReplaceIcon
InitCommonControlsEx
ImageList_GetIconSize
ImageList_Destroy
ImageList_AddMasked
psapi
GetModuleBaseNameW
GetModuleFileNameExW
kernel32
FindNextFileW
FindClose
FileTimeToLocalFileTime
SetEnvironmentVariableW
Beep
MoveFileW
OutputDebugStringW
CreateProcessW
GetFileAttributesW
WideCharToMultiByte
MultiByteToWideChar
GetExitCodeProcess
WriteProcessMemory
ReadProcessMemory
GetCurrentProcessId
OpenProcess
TerminateProcess
SetPriorityClass
SetLastError
GetEnvironmentVariableW
GetLocalTime
GetDateFormatW
GetTimeFormatW
GetDiskFreeSpaceW
SetVolumeLabelW
CreateFileW
DeviceIoControl
GetDriveTypeW
GetVolumeInformationW
CreateDirectoryW
ReadFile
WriteFile
DeleteFileW
SetFileAttributesW
LocalFileTimeToFileTime
SetFileTime
GetFileSizeEx
GetSystemTime
GetSystemDefaultUILanguage
GetComputerNameW
GetWindowsDirectoryW
GetTempPathW
GetFullPathNameW
GetShortPathNameW
FindFirstFileW
FreeLibrary
EnterCriticalSection
LeaveCriticalSection
VirtualProtect
QueryDosDeviceW
CompareStringW
RemoveDirectoryW
CopyFileW
GetCurrentProcess
FormatMessageW
GetPrivateProfileStringW
GetPrivateProfileSectionW
GetPrivateProfileSectionNamesW
WritePrivateProfileStringW
WritePrivateProfileSectionW
SetEndOfFile
GetACP
GetFileType
GetStdHandle
SetFilePointerEx
SystemTimeToFileTime
FileTimeToSystemTime
GetFileSize
VirtualAllocEx
VirtualFreeEx
EnumResourceNamesW
LoadLibraryExW
GlobalSize
GetOEMCP
InterlockedDecrement
InterlockedIncrement
GetStartupInfoW
HeapSetInformation
GetCommandLineW
HeapQueryInformation
HeapSize
HeapFree
HeapReAlloc
ExitProcess
HeapAlloc
TlsFree
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapCreate
InitializeCriticalSectionAndSpinCount
LockResource
LoadResource
SizeofResource
FindResourceW
GetSystemTimeAsFileTime
GetModuleFileNameW
DeleteCriticalSection
GetCPInfo
GetVersionExW
GetModuleHandleW
GetProcAddress
GetLastError
CreateMutexW
CloseHandle
GetExitCodeThread
SetThreadPriority
CreateThread
lstrcmpiW
GetCurrentThreadId
GlobalUnlock
GlobalFree
GlobalAlloc
GlobalLock
GetCurrentDirectoryW
SetErrorMode
InitializeCriticalSection
SetCurrentDirectoryW
Sleep
GetTickCount
MulDiv
IsValidCodePage
TlsAlloc
TlsGetValue
SetHandleCount
IsProcessorFeaturePresent
GetStringTypeW
RaiseException
LCMapStringW
RtlUnwind
GetConsoleCP
GetConsoleMode
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
TlsSetValue
SetFilePointer
FlushFileBuffers
WriteConsoleW
SetStdHandle
GetProcessHeap
LoadLibraryW
VirtualQuery
user32
GetMenuItemCount
GetMenuItemID
GetSubMenu
GetMenuStringW
ExitWindowsEx
SetMenu
FlashWindow
MapWindowPoints
RedrawWindow
SetParent
GetClassInfoExW
GetAncestor
UpdateWindow
GetMessagePos
GetClassLongW
DefDlgProcW
CallWindowProcW
CheckRadioButton
IntersectRect
PtInRect
CreateAcceleratorTableW
DestroyAcceleratorTable
AppendMenuW
SetMenuDefaultItem
RemoveMenu
SetMenuItemInfoW
IsMenu
CreateMenu
CreatePopupMenu
SetMenuInfo
DestroyMenu
TrackPopupMenuEx
CreateIconIndirect
GetDesktopWindow
CopyImage
CreateIconFromResourceEx
EnumClipboardFormats
GetWindow
BringWindowToTop
GetTopWindow
GetIconInfo
SetWindowTextW
IsWindowVisible
CheckMenuItem
MessageBoxW
LoadImageW
ChangeClipboardChain
GetLastInputInfo
LoadAcceleratorsW
EnableMenuItem
GetMenu
RegisterClassExW
LoadCursorW
DestroyIcon
DestroyWindow
IsCharAlphaW
MapVirtualKeyW
MapVirtualKeyExW
GetSysColorBrush
GetWindowTextW
mouse_event
WindowFromPoint
GetSystemMetrics
keybd_event
SetKeyboardState
GetKeyboardState
GetCursorPos
GetAsyncKeyState
AttachThreadInput
SendInput
UnregisterHotKey
RegisterHotKey
PostQuitMessage
SendMessageTimeoutW
UnhookWindowsHookEx
SetWindowsHookExW
PostThreadMessageW
IsCharUpperW
IsCharLowerW
IsCharAlphaNumericW
ToUnicodeEx
GetKeyboardLayout
CallNextHookEx
CharLowerW
ReleaseDC
GetDC
OpenClipboard
GetClipboardData
GetClipboardFormatNameW
CloseClipboard
SetClipboardData
EmptyClipboard
PostMessageW
FindWindowW
EndDialog
IsWindow
DispatchMessageW
GetCursor
ClientToScreen
MessageBeep
IsWindowEnabled
SetDlgItemTextW
GetDlgItem
SendDlgItemMessageW
DialogBoxParamW
SetForegroundWindow
DefWindowProcW
FillRect
SetClipboardViewer
DrawIconEx
TranslateMessage
ShowWindow
CountClipboardFormats
SetWindowLongW
ScreenToClient
IsDialogMessageW
SendMessageW
GetWindowLongW
GetKeyState
TranslateAcceleratorW
GetSysColor
RegisterWindowMessageW
IsIconic
IsZoomed
EnumWindows
GetWindowTextLengthW
EnableWindow
InvalidateRect
SetLayeredWindowAttributes
SetWindowPos
SetWindowRgn
SetFocus
GetGUIThreadInfo
SetActiveWindow
EnumChildWindows
MoveWindow
GetQueueStatus
GetWindowRect
GetClientRect
SystemParametersInfoW
AdjustWindowRectEx
KillTimer
PeekMessageW
GetFocus
GetClassNameW
GetWindowThreadProcessId
GetForegroundWindow
GetMessageW
SetTimer
GetParent
GetDlgCtrlID
CharUpperW
IsClipboardFormatAvailable
DrawTextW
VkKeyScanExW
SetRect
CreateWindowExW
gdi32
GetPixel
GetClipBox
GetCharABCWidthsW
SetBkMode
EnumFontFamiliesExW
CreateDIBSection
GdiFlush
ExcludeClipRect
SetBkColor
SetTextColor
FillRgn
BitBlt
CreateCompatibleBitmap
GetSystemPaletteEntries
GetDIBits
CreateCompatibleDC
CreatePolygonRgn
CreateRectRgn
CreateRoundRectRgn
CreateEllipticRgn
DeleteDC
GetObjectW
GetTextMetricsW
GetTextFaceW
SelectObject
GetStockObject
CreateDCW
CreateSolidBrush
CreateFontW
GetClipRgn
GetDeviceCaps
DeleteObject
comdlg32
CommDlgExtendedError
GetOpenFileNameW
GetSaveFileNameW
advapi32
RegDeleteKeyW
RegSetValueExW
RegCreateKeyExW
RegQueryValueExW
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
CloseServiceHandle
UnlockServiceDatabase
LockServiceDatabase
OpenSCManagerW
GetUserNameW
RegEnumKeyExW
RegEnumValueW
RegQueryInfoKeyW
RegOpenKeyExW
RegCloseKey
RegConnectRegistryW
RegDeleteValueW
shell32
DragQueryPoint
SHFileOperationW
SHGetPathFromIDListW
SHBrowseForFolderW
SHGetDesktopFolder
SHGetMalloc
SHGetFolderPathW
ShellExecuteExW
Shell_NotifyIconW
DragFinish
DragQueryFileW
ExtractIconW
ole32
OleInitialize
OleUninitialize
CoCreateInstance
CoInitialize
CoUninitialize
CLSIDFromString
CoGetObject
StringFromGUID2
CreateStreamOnHGlobal
oleaut32
SafeArrayGetLBound
GetActiveObject
OleLoadPicture
SafeArrayUnaccessData
SafeArrayGetElemsize
SafeArrayAccessData
SafeArrayUnlock
SafeArrayPtrOfIndex
SafeArrayLock
SafeArrayGetDim
SafeArrayDestroy
SafeArrayGetUBound
VariantCopyInd
SafeArrayCopy
SysAllocString
VariantChangeType
VariantClear
SafeArrayCreate
SysFreeString
SysStringLen
Sections
.text Size: 633KB - Virtual size: 633KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 139KB - Virtual size: 139KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 11KB - Virtual size: 38KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 160KB - Virtual size: 160KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ