Behavioral task
behavioral1
Sample
v1/desktop.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
v1/desktop.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
v2/welcomer.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
v2/welcomer.exe
Resource
win10v2004-20231215-en
General
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Target
48acaed817b9186dca2792b546f065da
-
Size
904KB
-
MD5
48acaed817b9186dca2792b546f065da
-
SHA1
bebaeb4745b92cd0ee3f785e917913954d6031ac
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SHA256
355a39d1ccb7dff628826655dd864f74dcfef8b0aab22852102188fd470b9673
-
SHA512
9dcd89bc93ec8f64be02e4e2e89326c1c82c981237a9f0e8221436dca0671b256f0326641a6214293921c9b513e08d7222b7a810cf26cb49e1e97d13d6d36952
-
SSDEEP
24576:P01MTkSqkp22CkGJ3iON0quPPXyNHYapedo7ATWN:ewYBk67Wfq/ey7v
Malware Config
Signatures
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resource yara_rule static1/unpack001/v1/desktop.exe.vir upx -
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/v1/desktop.exe.vir unpack002/out.upx unpack001/v2/welcomer.exe.vir
Files
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48acaed817b9186dca2792b546f065da.zip
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v1/a.ahk
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v1/desktop.exe.vir.exe windows:5 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
UPX0 Size: - Virtual size: 968KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 433KB - Virtual size: 436KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 365KB - Virtual size: 368KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
.text Size: 712KB - Virtual size: 711KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 223KB - Virtual size: 222KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 14KB - Virtual size: 47KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 370KB - Virtual size: 370KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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v2/welcomer.ahk
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v2/welcomer.exe.vir.exe windows:5 windows x86 arch:x86
46978de0f8944a65af1673d613222a98
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
InsertMenuItemW
SetMenuDefaultItem
RemoveMenu
SetMenuItemInfoW
IsMenu
GetMenuItemInfoW
CreateMenu
CreatePopupMenu
SetMenuInfo
AppendMenuW
DestroyMenu
TrackPopupMenuEx
CreateIconIndirect
GetDesktopWindow
CopyImage
CreateIconFromResourceEx
EnumClipboardFormats
GetWindow
BringWindowToTop
GetTopWindow
GetIconInfo
SetWindowTextW
IsWindowVisible
CheckMenuItem
MessageBoxW
LoadImageW
GetLastInputInfo
SetClipboardViewer
LoadAcceleratorsW
EnableMenuItem
CreateWindowExW
RegisterClassExW
LoadCursorW
DestroyIcon
DestroyWindow
IsCharAlphaW
MapVirtualKeyW
GetSysColorBrush
VkKeyScanExW
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
ChangeClipboardChain
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
MapVirtualKeyExW
SetRect
GetMenu
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: 626KB - Virtual size: 626KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 140KB - Virtual size: 139KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 12KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ