Static task
static1
Behavioral task
behavioral1
Sample
virussign.com_88ef0c13a982d486abee207fba3d27a0.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
virussign.com_88ef0c13a982d486abee207fba3d27a0.exe
Resource
win10v2004-20240226-en
General
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Target
virussign.com_88ef0c13a982d486abee207fba3d27a0.vir
-
Size
1.9MB
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MD5
88ef0c13a982d486abee207fba3d27a0
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SHA1
ad2933f9ce988f33284f8da8fef2fbfe227fdec8
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SHA256
534b2405a3c64f9a4c3ba8537ebd7079d0a82a749a487f49b00b14b9d01aa8e4
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SHA512
cd418d56de5b169d8b5ffcfff973b89576d0cb6208aff5e9256a6cf9e735e8db2bc098e7a33f8d41028f5b79ac4ab201375dfc497a8e5046accbaa621c970e60
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SSDEEP
49152:l1RjYkJxMRVdI+s8KuqGaX0ToIBAUZLYC:fRUkJxSVhJBAUZL9
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource virussign.com_88ef0c13a982d486abee207fba3d27a0.vir
Files
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virussign.com_88ef0c13a982d486abee207fba3d27a0.vir.exe windows:4 windows x86 arch:x86
32278bcdb0a1163602ca2cd4a077614d
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
rasapi32
RasHangUpA
RasGetConnectStatusA
kernel32
SetFilePointer
GetCurrentProcess
DuplicateHandle
lstrcpynA
GetACP
SetLastError
GetTimeZoneInformation
FileTimeToSystemTime
CreateSemaphoreA
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
WriteFile
ReadFile
IsBadCodePtr
IsBadReadPtr
CompareStringW
CompareStringA
SetUnhandledExceptionFilter
GetStringTypeW
GetStringTypeA
IsBadWritePtr
VirtualAlloc
InterlockedIncrement
LCMapStringA
SetEnvironmentVariableA
VirtualFree
HeapCreate
HeapDestroy
GetEnvironmentVariableA
GetStdHandle
SetHandleCount
GetEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsW
FreeEnvironmentStringsA
UnhandledExceptionFilter
GetFileType
SetStdHandle
HeapSize
TerminateProcess
GetLocalTime
GetLastError
WaitForMultipleObjects
CreateFileA
DeviceIoControl
SetEvent
FindResourceA
LoadResource
LockResource
lstrlenW
GetModuleFileNameA
GetCurrentThreadId
ExitProcess
GlobalSize
GlobalFree
DeleteCriticalSection
InitializeCriticalSection
lstrcatA
lstrlenA
WinExec
lstrcpyA
FindNextFileA
GlobalReAlloc
HeapFree
HeapReAlloc
GetProcessHeap
HeapAlloc
GetUserDefaultLCID
GetFullPathNameA
FreeLibrary
LoadLibraryA
GetVersionExA
WritePrivateProfileStringA
CreateThread
CreateEventA
Sleep
GlobalAlloc
GlobalLock
GlobalUnlock
FindFirstFileA
FindClose
GetFileAttributesA
SetCurrentDirectoryA
GetVolumeInformationA
GetModuleHandleA
GetProcAddress
MulDiv
GetSystemTime
RaiseException
RtlUnwind
GetStartupInfoA
GetOEMCP
GetCPInfo
GetProcessVersion
SetErrorMode
GlobalFlags
GetCurrentThread
GetFileTime
GetFileSize
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
LocalAlloc
lstrcmpA
GetVersion
GlobalGetAtomNameA
GlobalAddAtomA
GetCommandLineA
GetTickCount
WaitForSingleObject
CloseHandle
FileTimeToLocalFileTime
LocalFree
GlobalFindAtomA
GlobalDeleteAtom
lstrcmpiA
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
MultiByteToWideChar
WideCharToMultiByte
InterlockedDecrement
LCMapStringW
user32
OpenClipboard
SetClipboardData
EmptyClipboard
GetSystemMetrics
GetCursorPos
MessageBoxA
SetWindowPos
SendMessageA
DestroyCursor
SetParent
IsWindow
PostMessageA
GetTopWindow
GetParent
GetFocus
GetClientRect
InvalidateRect
ValidateRect
UpdateWindow
GetClipboardData
CloseClipboard
EqualRect
GetWindowRect
SetForegroundWindow
DestroyMenu
IsChild
ReleaseDC
IsRectEmpty
wsprintfA
GetDC
SetCursor
LoadCursorA
SetCursorPos
SetActiveWindow
GetSysColor
SetWindowLongA
GetWindowLongA
RedrawWindow
EnableWindow
IsWindowVisible
OffsetRect
PtInRect
DestroyIcon
IntersectRect
InflateRect
SetRect
SetScrollPos
SetScrollRange
GetScrollRange
SetCapture
GetCapture
ReleaseCapture
SetTimer
KillTimer
WinHelpA
LoadBitmapA
CopyRect
ChildWindowFromPointEx
ScreenToClient
GetMessagePos
SetWindowRgn
DestroyAcceleratorTable
GetWindow
GetActiveWindow
SetFocus
FillRect
GetNextDlgTabItem
IsIconic
PeekMessageA
SetMenu
GetMenu
DeleteMenu
GetSystemMenu
GetSysColorBrush
LoadStringA
GetDesktopWindow
GetClassNameA
GetMenuCheckMarkDimensions
GetMenuState
SetMenuItemBitmaps
CheckMenuItem
MoveWindow
IsDialogMessageA
ScrollWindowEx
SetWindowTextA
LoadIconA
TranslateMessage
DrawFrameControl
DrawEdge
DrawFocusRect
WindowFromPoint
GetMessageA
DispatchMessageA
SetRectEmpty
RegisterClipboardFormatA
CreateIconFromResourceEx
CreateIconFromResource
DrawIconEx
CreatePopupMenu
AppendMenuA
ModifyMenuA
CreateMenu
CreateAcceleratorTableA
GetDlgCtrlID
GetSubMenu
EnableMenuItem
ClientToScreen
EnumDisplaySettingsA
LoadImageA
SystemParametersInfoA
ShowWindow
IsWindowEnabled
TranslateAcceleratorA
GetKeyState
CopyAcceleratorTableA
PostQuitMessage
IsZoomed
GetClassInfoA
DefWindowProcA
GetWindowTextA
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
DrawTextA
GrayStringA
GetDlgItem
DestroyWindow
CreateDialogIndirectParamA
EndDialog
UnregisterClassA
GetWindowPlacement
RegisterWindowMessageA
GetForegroundWindow
GetLastActivePopup
GetMessageTime
RemovePropA
CallWindowProcA
GetPropA
UnhookWindowsHookEx
SetPropA
GetClassLongA
CallNextHookEx
SetWindowsHookExA
CreateWindowExA
GetMenuItemID
GetMenuItemCount
RegisterClassA
GetScrollPos
AdjustWindowRectEx
MapWindowPoints
SendDlgItemMessageA
gdi32
GetWindowExtEx
GetViewportOrgEx
GetWindowOrgEx
BeginPath
EndPath
PathToRegion
CreateEllipticRgn
CreateRoundRectRgn
GetTextColor
GetBkMode
GetBkColor
GetROP2
GetStretchBltMode
GetPolyFillMode
CreateCompatibleBitmap
CreateDCA
CreateBitmap
SelectObject
CreatePen
PatBlt
CombineRgn
CreateRectRgn
FillRgn
CreateSolidBrush
CreateFontIndirectA
GetStockObject
GetObjectA
EndPage
EndDoc
DeleteDC
GetDIBits
StartPage
BitBlt
GetPixel
CreateCompatibleDC
SetPixelV
Ellipse
Rectangle
LPtoDP
DPtoLP
GetCurrentObject
RoundRect
GetTextExtentPoint32A
GetDeviceCaps
SaveDC
RestoreDC
SetBkMode
SetPolyFillMode
SetROP2
SetMapMode
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowOrgEx
SetWindowExtEx
ScaleWindowExtEx
GetClipBox
ExcludeClipRect
MoveToEx
LineTo
RealizePalette
SelectPalette
StretchBlt
CreatePalette
GetSystemPaletteEntries
CreateDIBitmap
DeleteObject
SelectClipRgn
CreatePolygonRgn
GetClipRgn
SetStretchBltMode
CreateRectRgnIndirect
SetBkColor
SetTextColor
StartDocA
GetTextMetricsA
Escape
ExtTextOutA
TextOutA
RectVisible
PtVisible
GetViewportExtEx
ExtSelectClipRgn
winmm
waveOutUnprepareHeader
waveOutPrepareHeader
waveOutWrite
midiStreamRestart
waveOutPause
waveOutReset
waveOutClose
waveOutGetNumDevs
waveOutOpen
midiOutUnprepareHeader
midiStreamOpen
midiStreamProperty
midiOutPrepareHeader
midiStreamOut
midiStreamStop
midiOutReset
midiStreamClose
winspool.drv
OpenPrinterA
DocumentPropertiesA
ClosePrinter
advapi32
RegCloseKey
RegQueryValueA
RegSetValueExA
RegOpenKeyExA
RegCreateKeyExA
shell32
ShellExecuteA
Shell_NotifyIconA
ole32
OleRun
CoCreateInstance
CLSIDFromString
OleUninitialize
CLSIDFromProgID
OleInitialize
oleaut32
SafeArrayGetLBound
SafeArrayGetDim
SafeArrayUnaccessData
SafeArrayAccessData
SafeArrayGetElement
VariantCopyInd
VariantInit
SysAllocString
RegisterTypeLi
LHashValOfNameSys
LoadTypeLi
UnRegisterTypeLi
SafeArrayGetUBound
VariantChangeType
VariantClear
comctl32
ImageList_GetImageInfo
ImageList_GetImageCount
ImageList_SetBkColor
_TrackMouseEvent
ImageList_Draw
ord17
ImageList_Destroy
ImageList_Read
ImageList_Duplicate
ws2_32
recvfrom
ioctlsocket
recv
getpeername
accept
inet_ntoa
WSAStartup
WSACleanup
select
send
closesocket
WSAAsyncSelect
wininet
InternetCanonicalizeUrlA
InternetCrackUrlA
HttpOpenRequestA
InternetOpenA
InternetCloseHandle
InternetSetOptionA
InternetConnectA
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
comdlg32
GetFileTitleA
GetSaveFileNameA
GetOpenFileNameA
ChooseFontA
ChooseColorA
Sections
.text Size: 700KB - Virtual size: 698KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.0MB - Virtual size: 1.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 80KB - Virtual size: 301KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 84KB - Virtual size: 82KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ