b4bd62d5926a7956b7c7e8c7dfd1b60ffadccd0d91b731802ba5229f1db63c9e

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General

Target

b4bd62d5926a7956b7c7e8c7dfd1b60ffadccd0d91b731802ba5229f1db63c9e
Size

2.3MB
MD5

d20e428566927075ab95fc9492af08a9
SHA1

20a9a20b97df67b7ada8bcc8b153750654cdbf2c
SHA256

b4bd62d5926a7956b7c7e8c7dfd1b60ffadccd0d91b731802ba5229f1db63c9e
SHA512

04e157f5649d90747c50afc06bf68d27d19d0349a4c24bc18f8d7f6cdbac0f252ce39d7842c4797a40d60420ae0ffef48cbeaa658cecaf452d7c70b400196a9a
SSDEEP

49152:Z8E+i7FpWDq3IaZWwn+0c0EHGh8eBYEw0jqXOE:Kdi7FpWmY1wn+LdH5eBq0jq+E

Score

10^/10

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
sample	UPX

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
b4bd62d5926a7956b7c7e8c7dfd1b60ffadccd0d91b731802ba5229f1db63c9e

Files

b4bd62d5926a7956b7c7e8c7dfd1b60ffadccd0d91b731802ba5229f1db63c9e
.exe windows:4 windows x86 arch:x86

a6d2000b567ba317a6917075f594d1b3

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

kernel32

FlushFileBuffers
SetFilePointer
GetCurrentProcess
DuplicateHandle
lstrcpynA
SetLastError
FileTimeToLocalFileTime
FileTimeToSystemTime
FormatMessageA
LocalFree
MultiByteToWideChar
InterlockedDecrement
WideCharToMultiByte
GetTempFileNameA
CreateSemaphoreA
ResumeThread
SetStdHandle
IsBadCodePtr
IsBadReadPtr
CompareStringW
CompareStringA
SetUnhandledExceptionFilter
GetStringTypeW
GetStringTypeA
IsBadWritePtr
VirtualAlloc
LCMapStringW
LCMapStringA
SetEnvironmentVariableA
VirtualFree
HeapCreate
HeapDestroy
GetEnvironmentVariableA
GetFileType
GetStdHandle
SetHandleCount
GetEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsW
FreeEnvironmentStringsA
UnhandledExceptionFilter
GetACP
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
WriteFile
ReadFile
GetLastError
WaitForMultipleObjects
CreateFileA
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
GetPrivateProfileStringA
CreateThread
CreateEventA
Sleep
GlobalAlloc
GlobalLock
GlobalUnlock
GetTempPathA
FindFirstFileA
FindClose
GetFileAttributesA
HeapSize
TerminateProcess
GetLocalTime
GetSystemTime
GetTimeZoneInformation
RaiseException
RtlUnwind
GetStartupInfoA
GetOEMCP
GetCPInfo
GetProcessVersion
SetErrorMode
GlobalFlags
GetCurrentThread
GetFileTime
GetFileSize
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
DeleteFileA
GetCurrentDirectoryA
SetCurrentDirectoryA
GetVolumeInformationA
GetModuleHandleA
LocalAlloc
lstrcmpA
GetVersion
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
lstrcmpiA
GetThreadLocale
SetEndOfFile
UnlockFile
LockFile
GetProcAddress
MulDiv
GetCommandLineA
GetTickCount
WaitForSingleObject
CloseHandle
InterlockedIncrement

user32

EmptyClipboard
GetSystemMetrics
GetCursorPos
MessageBoxA
MessageBeep
SetWindowPos
SendMessageA
DestroyCursor
SetParent
IsWindow
PostMessageA
GetTopWindow
GetParent
SetClipboardData
GetClientRect
InvalidateRect
ValidateRect
UpdateWindow
OpenClipboard
GetClipboardData
CloseClipboard
EqualRect
GetWindowRect
SetForegroundWindow
DestroyMenu
TrackPopupMenu
IsChild
ReleaseDC
IsRectEmpty
wsprintfA
GetFocus
MapWindowPoints
FillRect
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
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
GetWindowTextA
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
DrawTextA
GrayStringA
GetDlgItem
DestroyWindow
CreateDialogIndirectParamA
EndDialog
GetNextDlgTabItem
GetWindowPlacement
RegisterWindowMessageA
GetForegroundWindow
GetLastActivePopup
GetMessageTime
RemovePropA
CallWindowProcA
GetPropA
UnhookWindowsHookEx
SetPropA
GetClassLongA
CallNextHookEx
SetWindowsHookExA
CreateWindowExA
GetMenuItemID
GetMenuItemCount
RegisterClassA
GetScrollPos
AdjustWindowRectEx
UnregisterClassA
SendDlgItemMessageA
ScrollWindowEx
IsDialogMessageA
SetWindowTextA
MoveWindow
CheckMenuItem
SetMenuItemBitmaps
GetMenuState
GetMenuCheckMarkDimensions
GetClassNameA
GetDesktopWindow
CharNextA
SetWindowContextHelpId
MapDialogRect
LoadStringA
GetSysColorBrush
GetNextDlgGroupItem
PostThreadMessageA
GetClassInfoA
DefWindowProcA
GetSystemMenu
DeleteMenu
GetMenu
SetMenu
PeekMessageA
IsIconic
SetFocus
GetActiveWindow
GetWindow
DestroyAcceleratorTable
SetWindowRgn
GetMessagePos
ScreenToClient

gdi32

GetSystemPaletteEntries
CreatePalette
StretchBlt
SelectPalette
RealizePalette
GetDIBits
GetWindowExtEx
GetViewportOrgEx
GetWindowOrgEx
BeginPath
EndPath
PathToRegion
CreateEllipticRgn
CreateRoundRectRgn
GetTextColor
GetBkMode
GetBkColor
GetROP2
GetStretchBltMode
GetPolyFillMode
CreateCompatibleBitmap
CreateDCA
CreateBitmap
SelectObject
CreatePen
PatBlt
CombineRgn
CreateRectRgn
CreateDIBitmap
CreateSolidBrush
CreateFontIndirectA
GetStockObject
GetObjectA
EndPage
EndDoc
DeleteDC
StartDocA
StartPage
BitBlt
CreateCompatibleDC
Ellipse
Rectangle
LPtoDP
DPtoLP
GetCurrentObject
RoundRect
GetTextExtentPoint32A
GetDeviceCaps
SaveDC
RestoreDC
SetBkMode
SetPolyFillMode
SetROP2
SetTextColor
SetMapMode
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowOrgEx
SetWindowExtEx
ScaleWindowExtEx
GetClipBox
ExcludeClipRect
MoveToEx
LineTo
DeleteObject
SelectClipRgn
CreatePolygonRgn
GetClipRgn
SetStretchBltMode
CreateRectRgnIndirect
SetBkColor
FillRgn
GetMapMode
GetTextMetricsA
Escape
ExtTextOutA
TextOutA
RectVisible
PtVisible
GetViewportExtEx
ExtSelectClipRgn

winmm

midiStreamRestart
midiStreamClose
midiOutReset
midiStreamStop
midiStreamOut
midiOutPrepareHeader
midiStreamProperty
midiStreamOpen
midiOutUnprepareHeader
waveOutOpen
waveOutGetNumDevs
waveOutClose
waveOutReset
waveOutPause
waveOutWrite
waveOutPrepareHeader
waveOutUnprepareHeader

winspool.drv

ClosePrinter
DocumentPropertiesA
OpenPrinterA

advapi32

RegCreateKeyExA
RegCloseKey
RegOpenKeyExA
RegSetValueExA
RegQueryValueA

shell32

ShellExecuteA
DragQueryFileA
Shell_NotifyIconA

ole32

StgOpenStorageOnILockBytes
StgCreateDocfileOnILockBytes
CreateILockBytesOnHGlobal
CoFreeUnusedLibraries
CoRegisterMessageFilter
CoRevokeClassObject
OleFlushClipboard
OleIsCurrentClipboard
CoGetClassObject
CoTaskMemFree
CoTaskMemAlloc
OleRun
CoCreateInstance
ReleaseStgMedium
RevokeDragDrop
RegisterDragDrop
OleInitialize
OleUninitialize
CLSIDFromString
CLSIDFromProgID

oleaut32

VariantInit
SysAllocString
SafeArrayDestroy
SafeArrayCreate
SafeArrayPutElement
RegisterTypeLi
LHashValOfNameSys
LoadTypeLi
OleCreateFontIndirect
UnRegisterTypeLi
SysFreeString
SafeArrayGetElement
SafeArrayAccessData
SafeArrayUnaccessData
SafeArrayGetDim
SafeArrayGetLBound
SafeArrayGetUBound
VariantChangeType
VariantClear
VariantCopy
SafeArrayGetElemsize
SysAllocStringByteLen
SysAllocStringLen
SysStringLen
VariantTimeToSystemTime
VariantCopyInd

comctl32

ord17
ImageList_SetBkColor
ImageList_GetImageCount
ImageList_Destroy
ImageList_Read
ImageList_Duplicate

oledlg

ord8

ws2_32

socket
recvfrom
ioctlsocket
recv
getpeername
accept
WSAAsyncSelect
closesocket
WSACleanup
WSAStartup
inet_ntoa

wldap32

ord29

comdlg32

GetFileTitleA
GetSaveFileNameA
GetOpenFileNameA
ChooseFontA
ChooseColorA

Sections

.text
Size: 760KB - Virtual size: 759KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 84KB - Virtual size: 224KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 48KB - Virtual size: 47KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a6d2000b567ba317a6917075f594d1b3

Headers

File Characteristics

Imports

kernel32

user32

gdi32

winmm

winspool.drv

advapi32

shell32

ole32

oleaut32

comctl32

oledlg

ws2_32

wldap32

comdlg32

Sections

.text Size: 760KB - Virtual size: 759KB

.rdata Size: 1.4MB - Virtual size: 1.4MB

.data Size: 84KB - Virtual size: 224KB

.rsrc Size: 48KB - Virtual size: 47KB

.text
Size: 760KB - Virtual size: 759KB

.rdata
Size: 1.4MB - Virtual size: 1.4MB

.data
Size: 84KB - Virtual size: 224KB

.rsrc
Size: 48KB - Virtual size: 47KB