Behavioral task
behavioral1
Sample
6dbfd0bcfac3795c45eaa45eba1e1d3b5d54e3ebd9e8832250a5f7a367754877.exe
Resource
win7-20231129-en
General
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Target
6dbfd0bcfac3795c45eaa45eba1e1d3b5d54e3ebd9e8832250a5f7a367754877
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Size
428KB
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MD5
bb8663547fbc759185db8ba625553cc6
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SHA1
2de3fa6319b6ee87da1abff5be86b6e9bc342efd
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SHA256
6dbfd0bcfac3795c45eaa45eba1e1d3b5d54e3ebd9e8832250a5f7a367754877
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SHA512
d9966e09bbb7e95ac35c5c3ae11a96bf0d41d3ba82f6eff7919a73ee98798842547e5f55ee14dcfb95fd7cc29e2bcccfcc10e2d490c559935d88fb27f8148dcd
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SSDEEP
6144:hGOMmhsKI2ir5crKFHLZx2LpLDXeZOXOS/6zbx:hGOIB5crKFHLZx2LpPeZOG
Malware Config
Extracted
urelas
F121.88.5.184
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
Urelas family
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 6dbfd0bcfac3795c45eaa45eba1e1d3b5d54e3ebd9e8832250a5f7a367754877
Files
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6dbfd0bcfac3795c45eaa45eba1e1d3b5d54e3ebd9e8832250a5f7a367754877.exe windows:5 windows x86 arch:x86
095b507da04cd5c5d1c0870fc9e0c3d3
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
LocalReAlloc
DeleteCriticalSection
GlobalFree
TlsFree
GetProcAddress
InterlockedDecrement
FreeLibrary
GetCurrentProcessId
lstrlenW
FormatMessageW
GetCurrentThreadId
InterlockedIncrement
lstrcmpA
lstrlenA
GetVersionExA
lstrcmpW
LoadLibraryA
GlobalAlloc
GlobalDeleteAtom
GlobalFindAtomW
GlobalAddAtomW
GlobalFlags
FlushFileBuffers
SetEndOfFile
GetCurrentProcess
GetModuleHandleA
TlsSetValue
GetStartupInfoW
RtlUnwind
RaiseException
HeapReAlloc
HeapSize
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetConsoleCP
GetConsoleMode
GetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
SetHandleCount
GetFileType
GetStartupInfoA
HeapCreate
VirtualFree
QueryPerformanceCounter
GetSystemTimeAsFileTime
VirtualAlloc
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
InitializeCriticalSectionAndSpinCount
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
CreateFileA
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
GlobalHandle
GlobalUnlock
GlobalReAlloc
GlobalLock
EnterCriticalSection
TlsGetValue
LeaveCriticalSection
LocalFree
LocalAlloc
SetLastError
TlsAlloc
InitializeCriticalSection
WideCharToMultiByte
SetFilePointer
GetLastError
WriteFile
LockResource
LoadResource
SizeofResource
FindResourceW
GetModuleHandleW
MultiByteToWideChar
HeapFree
GetProcessHeap
HeapAlloc
GetModuleFileNameA
GetTempPathA
DeviceIoControl
CreateFileW
ReadFile
GetVersionExW
GetModuleFileNameW
DeleteFileW
GetSystemDirectoryW
CreateThread
CreateEventW
CloseHandle
GetSystemWindowsDirectoryW
GetTickCount
ExitProcess
Sleep
OpenEventW
GetFileAttributesW
LoadLibraryW
GetTempPathW
advapi32
RegSetValueExW
RegCloseKey
RegQueryValueExW
RegOpenKeyExW
gdi32
DeleteDC
GetStockObject
CreateBitmap
GetClipBox
SetTextColor
SetBkColor
DeleteObject
SaveDC
RestoreDC
ScaleWindowExtEx
SetWindowExtEx
ScaleViewportExtEx
SetMapMode
PtVisible
ExtTextOutW
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SelectObject
RectVisible
Escape
GetDeviceCaps
TextOutW
iphlpapi
GetAdaptersAddresses
oleacc
LresultFromObject
CreateStdAccessibleObject
oleaut32
VariantClear
VariantChangeType
VariantInit
shell32
ShellExecuteW
ShellExecuteA
user32
DestroyMenu
TabbedTextOutW
DrawTextW
DrawTextExW
GrayStringW
RegisterWindowMessageW
WinHelpW
GetCapture
GetClassLongW
GetClassNameW
SetPropW
GetPropW
RemovePropW
IsWindow
GetForegroundWindow
GetDlgItem
GetTopWindow
DestroyWindow
GetMessageTime
GetMessagePos
MapWindowPoints
SetMenu
SetForegroundWindow
GetClientRect
PostMessageW
GetClassInfoExW
RegisterClassW
AdjustWindowRectEx
GetDlgCtrlID
CallWindowProcW
PtInRect
GetMenu
SetWindowLongW
SetWindowPos
SystemParametersInfoA
IsIconic
GetWindowPlacement
GetWindowRect
GetWindow
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
LoadBitmapW
GetFocus
ModifyMenuW
EnableMenuItem
CheckMenuItem
GetWindowTextW
GetSystemMetrics
GetDC
ReleaseDC
GetSysColor
GetSysColorBrush
SetWindowsHookExW
CallNextHookEx
GetKeyState
PeekMessageW
ValidateRect
GetMenuState
GetMenuItemID
GetMenuItemCount
GetSubMenu
LoadStringW
LoadAcceleratorsW
GetWindowThreadProcessId
SendMessageW
GetParent
GetWindowLongW
GetLastActivePopup
IsWindowEnabled
EnableWindow
MessageBoxW
UnhookWindowsHookEx
ClientToScreen
DispatchMessageW
LoadIconW
LoadCursorW
RegisterClassExW
CreateWindowExW
DefWindowProcW
BeginPaint
EndPaint
PostQuitMessage
wsprintfW
SetWindowTextW
GetClassInfoW
CopyRect
winspool.drv
OpenPrinterW
DocumentPropertiesW
ClosePrinter
ws2_32
gethostbyname
socket
gethostbyaddr
inet_addr
WSAStartup
recv
WSAGetLastError
htons
connect
closesocket
htonl
send
Sections
UPX0 Size: 168KB - Virtual size: 168KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 132KB - Virtual size: 132KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 120KB - Virtual size: 120KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE