Obsidium unpack[.]exe

Sharing

Copy URL Twitter E-mail

General

Target

Obsidium unpack.exe
Size

40.6MB
MD5

55302909160b5994044c9ea9cc20cafb
SHA1

116bf9baddfccda09fb77b751fadee48ccb897e7
SHA256

555791ab46a92fd2860526a92024e0b41a79380ed185147043ee0528009cbf36
SHA512

1f78e96658bdc5ae37c0dee7e1c79ae14be42128498d9120cf6d8b0e98af65042400d3ef2308792d3f4aca7838e2f280a9c12bec50bef3dace32bbecef8e3408
SSDEEP

786432:vuSIjZiZGtOd9GofnD53y8VkfC2W0XlqsS/JuBmPg03XmuLoQQeWeihN:2Lw9F3dVkrWCcsS/JWmPg03XNtoN

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Obsidium unpack.exe

Files

Obsidium unpack.exe
.exe windows:4 windows x86 arch:x86

03403245a79142795008ebd63f65ffa8

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

RegCloseKey
RegOpenKeyExA
RegQueryValueExA

kernel32

CloseHandle
CompareStringA
CreateEventA
CreateFileA
CreateThread
DeleteCriticalSection
DeleteFileA
EnterCriticalSection
EnumCalendarInfoA
ExitProcess
ExitThread
FileTimeToDosDateTime
FileTimeToLocalFileTime
FindClose
FindFirstFileA
FindResourceA
FormatMessageA
FreeLibrary
FreeResource
GetACP
GetCPInfo
GetCommandLineA
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDiskFreeSpaceA
GetEnvironmentStrings
GetExitCodeThread
GetFileAttributesA
GetFileSize
GetFileType
GetLastError
GetLocalTime
GetLocaleInfoA
GetModuleFileNameA
GetModuleHandleA
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoA
GetStdHandle
GetStringTypeW
GetSystemInfo
GetThreadLocale
GetTickCount
GetVersion
GetVersionExA
GlobalAddAtomA
GlobalAlloc
GlobalDeleteAtom
GlobalFree
GlobalHandle
GlobalLock
GlobalReAlloc
GlobalUnlock
HeapAlloc
HeapFree
InitializeCriticalSection
InterlockedDecrement
InterlockedIncrement
LeaveCriticalSection
LoadLibraryA
LoadLibraryExA
LoadResource
LocalAlloc
LocalFree
LockResource
MulDiv
MultiByteToWideChar
OpenEventA
RaiseException
ReadFile
ResetEvent
RtlUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetErrorMode
SetEvent
SetFilePointer
SetHandleCount
SetLastError
SetThreadLocale
SetThreadPriority
SizeofResource
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualAlloc
VirtualFree
VirtualQuery
WaitForSingleObject
WideCharToMultiByte
WriteFile
lstrcmpA
lstrcpyA
lstrcpynA
lstrlenA

version

GetFileVersionInfoA
GetFileVersionInfoSizeA
VerQueryValueA

comctl32

ImageList_Add
ImageList_BeginDrag
ImageList_Create
ImageList_Destroy
ImageList_DragEnter
ImageList_DragLeave
ImageList_DragMove
ImageList_DragShowNolock
ImageList_Draw
ImageList_EndDrag
ImageList_GetBkColor
ImageList_GetDragImage
ImageList_GetIconSize
ImageList_GetImageCount
ImageList_Read
ImageList_Remove
ImageList_Replace
ImageList_ReplaceIcon
ImageList_SetBkColor
ImageList_SetDragCursorImage
ImageList_SetIconSize
ImageList_Write
ord17
ImageList_DrawEx

gdi32

BitBlt
CombineRgn
CopyEnhMetaFileA
CreateBitmap
CreateBrushIndirect
CreateCompatibleBitmap
CreateCompatibleDC
CreateDIBSection
CreateDIBitmap
CreateFontIndirectA
CreateHalftonePalette
CreatePalette
CreatePenIndirect
CreateRectRgn
CreateSolidBrush
DeleteDC
DeleteEnhMetaFile
DeleteObject
Ellipse
ExcludeClipRect
ExtTextOutA
GdiFlush
GetBitmapBits
GetBrushOrgEx
GetClipBox
GetCurrentPositionEx
GetDCOrgEx
GetDIBColorTable
GetDIBits
GetDeviceCaps
GetEnhMetaFileBits
GetEnhMetaFileHeader
GetEnhMetaFilePaletteEntries
GetObjectA
GetPaletteEntries
GetPixel
GetRgnBox
GetStockObject
GetSystemPaletteEntries
GetTextExtentPoint32A
GetTextExtentPointA
GetTextMetricsA
GetWinMetaFileBits
GetWindowOrgEx
IntersectClipRect
LineTo
MaskBlt
MoveToEx
PatBlt
PlayEnhMetaFile
Polyline
RealizePalette
RectVisible
Rectangle
RestoreDC
SaveDC
SelectObject
SelectPalette
SetBkColor
SetBkMode
SetBrushOrgEx
SetDIBColorTable
SetEnhMetaFileBits
SetPixel
SetROP2
SetStretchBltMode
SetTextColor
SetViewportOrgEx
SetWinMetaFileBits
SetWindowOrgEx
StretchBlt
UnrealizeObject

msacm32

acmDriverClose
acmDriverDetailsA
acmDriverEnum
acmDriverOpen
acmFormatDetailsA
acmFormatEnumA
acmFormatTagDetailsA
acmMetrics
acmStreamClose
acmStreamConvert
acmStreamOpen
acmStreamPrepareHeader
acmStreamSize
acmStreamUnprepareHeader

shell32

ShellExecuteA

user32

ActivateKeyboardLayout
AdjustWindowRectEx
BeginPaint
CallNextHookEx
CallWindowProcA
CharLowerA
CharLowerBuffA
CharNextA
CheckMenuItem
ClientToScreen
CreateIcon
CreateMenu
CreatePopupMenu
CreateWindowExA
DefFrameProcA
DefMDIChildProcA
DefWindowProcA
DeleteMenu
DestroyCursor
DestroyIcon
DestroyMenu
DestroyWindow
DispatchMessageA
DrawEdge
DrawFrameControl
DrawIcon
DrawIconEx
DrawMenuBar
DrawTextA
EnableMenuItem
EnableScrollBar
EnableWindow
EndPaint
EnumThreadWindows
EnumWindows
EqualRect
FillRect
FindWindowA
FrameRect
GetActiveWindow
GetCapture
GetClassInfoA
GetClientRect
GetClipboardData
GetCursor
GetCursorPos
GetDC
GetDCEx
GetDesktopWindow
GetFocus
GetForegroundWindow
GetIconInfo
GetKeyNameTextA
GetKeyState
GetKeyboardLayout
GetKeyboardLayoutList
GetKeyboardState
GetKeyboardType
GetLastActivePopup
GetMenu
GetMenuItemCount
GetMenuItemID
GetMenuItemInfoA
GetMenuState
GetMenuStringA
GetParent
GetPropA
GetScrollInfo
GetScrollPos
GetScrollRange
GetSubMenu
GetSysColor
GetSystemMetrics
GetTopWindow
GetWindow
GetWindowDC
GetWindowLongA
GetWindowPlacement
GetWindowRect
GetWindowTextA
GetWindowThreadProcessId
InflateRect
InsertMenuA
InsertMenuItemA
IntersectRect
InvalidateRect
IsChild
IsDialogMessageA
IsIconic
IsRectEmpty
IsWindow
IsWindowEnabled
IsWindowVisible
IsZoomed
KillTimer
LoadBitmapA
LoadCursorA
LoadIconA
LoadKeyboardLayoutA
LoadStringA
MapVirtualKeyA
MapWindowPoints
MessageBoxA
MsgWaitForMultipleObjects
OemToCharA
OffsetRect
PeekMessageA
PostMessageA
PostQuitMessage
PtInRect
RedrawWindow
RegisterClassA
RegisterClipboardFormatA
RegisterWindowMessageA
ReleaseCapture
ReleaseDC
RemoveMenu
RemovePropA
ScreenToClient
ScrollWindow
SendMessageA
SetActiveWindow
SetCapture
SetClassLongA
SetCursor
SetFocus
SetForegroundWindow
SetMenu
SetMenuItemInfoA
SetPropA
SetRect
SetScrollInfo
SetScrollPos
SetScrollRange
SetTimer
SetWindowLongA
SetWindowPlacement
SetWindowPos
SetWindowTextA
SetWindowsHookExA
ShowCursor
ShowOwnedPopups
ShowScrollBar
ShowWindow
SystemParametersInfoA
TrackPopupMenu
TranslateMDISysAccel
TranslateMessage
UnhookWindowsHookEx
UnregisterClassA
UpdateWindow
WaitMessage
WinHelpA
WindowFromPoint
wsprintfA
GetSystemMenu

winmm

timeBeginPeriod
timeEndPeriod
timeGetDevCaps
timeKillEvent
timeSetEvent
waveOutClose
waveOutOpen
waveOutPrepareHeader
waveOutReset
waveOutUnprepareHeader
waveOutWrite

ole32

IsEqualGUID

oleaut32

SysAllocStringLen
SysFreeString
SysReAllocStringLen
SysStringLen
VariantChangeTypeEx
VariantClear
VariantCopyInd

Exports

Exports

@@Unit1@Finalize
@@Unit1@Initialize
@@Unit2@Finalize
@@Unit2@Initialize
@@Unit35@Finalize
@@Unit35@Initialize
@@Unit3@Finalize
@@Unit3@Initialize
@@Unit4@Finalize
@@Unit4@Initialize
@@Unit5@Finalize
@@Unit5@Initialize
@@Unit9@Finalize
@@Unit9@Initialize
_AboutForm
_AutotsForm
_ControlForm
_JdForm
_MmForm
_PlayForm
__GetExceptDLLinfo
___CPPdebugHook

Sections

.text
Size: 553KB - Virtual size: 556KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 41KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 10KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.edata
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 52KB - Virtual size: 51KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 32KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

03403245a79142795008ebd63f65ffa8

Headers

File Characteristics

Imports

advapi32

kernel32

version

comctl32

gdi32

msacm32

shell32

user32

winmm

ole32

oleaut32

Exports

Exports

Sections

.text Size: 553KB - Virtual size: 556KB

.data Size: 41KB - Virtual size: 68KB

.tls Size: 512B - Virtual size: 4KB

.rdata Size: 512B - Virtual size: 4KB

.idata Size: 10KB - Virtual size: 12KB

.edata Size: 1024B - Virtual size: 4KB

.rsrc Size: 52KB - Virtual size: 51KB

.reloc Size: 32KB - Virtual size: 32KB

.text
Size: 553KB - Virtual size: 556KB

.data
Size: 41KB - Virtual size: 68KB

.tls
Size: 512B - Virtual size: 4KB

.rdata
Size: 512B - Virtual size: 4KB

.idata
Size: 10KB - Virtual size: 12KB

.edata
Size: 1024B - Virtual size: 4KB

.rsrc
Size: 52KB - Virtual size: 51KB

.reloc
Size: 32KB - Virtual size: 32KB