55f38ec15f3dec84b429caa304d5faafcaedb9cd7cb4d4f260d09322961b20e5

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General

Target

55f38ec15f3dec84b429caa304d5faafcaedb9cd7cb4d4f260d09322961b20e5
Size

8.5MB
MD5

d49193552daf87c5d8b16aa51d2482ae
SHA1

01a110059b60f06df65a07e82b6295649b49866c
SHA256

55f38ec15f3dec84b429caa304d5faafcaedb9cd7cb4d4f260d09322961b20e5
SHA512

f31bc7aeb06e743946373a0d65303c1105fa3b9e7df7bc2b668489f863312583a6c681acc635894a2d72f01a3fa990ab9213f624ec77b2bf5acd2a1003f41db5
SSDEEP

196608:jMeLbQYifuw6+GDINTXmRl+8vH3yWrTMat:IeLbQYifuw6+GCXm3+8v5roa

Score

9^/10

oss_ak

Malware Config

Signatures

detect oss ak 1 IoCs
oss ak information detected.
oss_ak

Processes:

resource yara_rule

sample detect_ak_stuff

resource	yara_rule
sample	detect_ak_stuff

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
55f38ec15f3dec84b429caa304d5faafcaedb9cd7cb4d4f260d09322961b20e5

Files

55f38ec15f3dec84b429caa304d5faafcaedb9cd7cb4d4f260d09322961b20e5
.exe windows:4 windows x86 arch:x86

b9e05f1cffee3be2270266d4caf76dd6

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

SetUnhandledExceptionFilter
LCMapStringW
GetStringTypeA
GetStringTypeW
IsBadCodePtr
SetStdHandle
LCMapStringA
LoadLibraryA
GetProcAddress
FreeLibrary
GlobalAlloc
GlobalLock
GlobalUnlock
GlobalFree
GetUserDefaultLCID
GetLocalTime
GetTickCount
WriteFile
GetOEMCP
GetCPInfo
CreateFileA
GetFileSize
ReadFile
CloseHandle
IsBadReadPtr
HeapFree
HeapReAlloc
HeapAlloc
ExitProcess
IsBadWritePtr
RtlFillMemory
GetModuleHandleA
WideCharToMultiByte
MultiByteToWideChar
RtlMoveMemory
GetCurrentThreadId
GetCurrentThread
lstrcmpiA
lstrcmpA
GlobalDeleteAtom
GetModuleFileNameA
lstrlenA
LocalAlloc
LocalFree
InitializeCriticalSection
TlsAlloc
DeleteCriticalSection
GlobalHandle
TlsFree
LeaveCriticalSection
GlobalReAlloc
EnterCriticalSection
TlsSetValue
LocalReAlloc
TlsGetValue
InterlockedDecrement
SetErrorMode
lstrcatA
lstrcpyA
GetCommandLineA
lstrcpynA
GetVersion
MulDiv
GlobalFlags
WritePrivateProfileStringA
InterlockedIncrement
VirtualAlloc
VirtualFree
HeapCreate
HeapDestroy
GetVersionExA
GetEnvironmentVariableA
GetEnvironmentStringsW
GetEnvironmentStrings
GetStdHandle
SetHandleCount
GetACP
HeapSize
RaiseException
FreeEnvironmentStringsW
TerminateProcess
RtlUnwind
FreeEnvironmentStringsA
GetStartupInfoA
GetProcessHeap
GetFileType
SetLastError
GetLastError
GlobalFindAtomA
GlobalAddAtomA
GlobalGetAtomNameA
LockResource
LoadResource
FindResourceA
GetProcessVersion
GetCurrentProcess
SetFilePointer
FlushFileBuffers
TlsFree
TlsSetValue
LocalReAlloc
TlsGetValue
GetFileTime
GetCurrentThread
GlobalFlags
GetProfileIntA
SetErrorMode
GetProcessVersion
GetCPInfo
GetOEMCP
GetStartupInfoA
RtlUnwind
GetSystemTime
GetLocalTime
RaiseException
ExitThread
HeapSize
GetACP
SetStdHandle
GetFileType
UnhandledExceptionFilter
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetEnvironmentVariableA
HeapDestroy
HeapCreate
VirtualFree
SetEnvironmentVariableA
LCMapStringA
LCMapStringW
VirtualAlloc
IsBadWritePtr
SetUnhandledExceptionFilter
GetStringTypeA
CompareStringA
CompareStringW
IsBadReadPtr
IsBadCodePtr
InterlockedExchange
GetStringTypeW
GlobalHandle
TlsAlloc
LocalAlloc
lstrcmpA
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
lstrcmpiA
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
DuplicateHandle
lstrcpynA
FileTimeToLocalFileTime
InterlockedDecrement
InterlockedIncrement
SuspendThread
ReleaseMutex
CreateMutexA
FormatMessageA
UnmapViewOfFile
LocalFree
CreateFileMappingA
MapViewOfFile
FileTimeToSystemTime
GetVersion
GetTimeZoneInformation
SetLastError
TerminateProcess
GetFileSize
SetFilePointer
CreateToolhelp32Snapshot
Process32First
Process32Next
TerminateThread
GetCurrentProcess
GetWindowsDirectoryA
GetSystemDirectoryA
CreateSemaphoreA
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
WriteFile
WaitForMultipleObjects
CreateFileA
DeviceIoControl
SetEvent
FindResourceA
LoadResource
LockResource
ReadFile
lstrlenW
RemoveDirectoryA
GetModuleFileNameA
WideCharToMultiByte
MultiByteToWideChar
GetCurrentThreadId
ExitProcess
GlobalSize
GlobalFree
DeleteCriticalSection
InitializeCriticalSection
lstrcatA
lstrlenA
WinExec
lstrcpyA
FindNextFileA
GetDriveTypeA
GlobalReAlloc
HeapFree
HeapReAlloc
GetProcessHeap
HeapAlloc
GetUserDefaultLCID
GetFullPathNameA
FreeLibrary
LoadLibraryA
GetLastError
GetVersionExA
WritePrivateProfileStringA
CloseHandle
WaitForSingleObject
CreateProcessA
GetTickCount
GetCommandLineA
MulDiv
GetProcAddress
GetModuleHandleA
GetVolumeInformationA
SetCurrentDirectoryA
GetCurrentDirectoryA
CreateDirectoryA
CopyFileA
DeleteFileA
MoveFileA
GetFileAttributesA
SetFileAttributesA
FindClose
FindFirstFileA
GetTempPathA
GlobalUnlock
GlobalLock
GlobalAlloc
ExpandEnvironmentStringsA
Sleep
CreateEventA
CreateThread
GetPrivateProfileStringA

ole32

CLSIDFromString
CoCreateInstance
OleRun
CoUninitialize
OleFlushClipboard
OleInitialize
OleUninitialize
CoFreeUnusedLibraries
CoRegisterMessageFilter
CoRevokeClassObject
OleIsCurrentClipboard
CLSIDFromProgID
CoInitialize
CoTaskMemAlloc
OleDuplicateData
RevokeDragDrop
CoLockObjectExternal
DoDragDrop
OleGetClipboard
OleIsCurrentClipboard
OleFlushClipboard
OleSetClipboard
CoTaskMemFree
ReleaseStgMedium
CLSIDFromProgID
OleRun
CoCreateInstance
CreateStreamOnHGlobal
CLSIDFromString
OleUninitialize
OleInitialize

user32

GetLastActivePopup
GetParent
SetWindowsHookExA
GetCursorPos
PeekMessageA
IsWindowVisible
ValidateRect
CallNextHookEx
GetKeyState
GetActiveWindow
DispatchMessageA
TranslateMessage
GetMessageA
GetNextDlgTabItem
EnableWindow
EnableMenuItem
CheckMenuItem
SetMenuItemBitmaps
ModifyMenuA
GetMenuState
LoadBitmapA
GetMenuCheckMarkDimensions
RegisterClipboardFormatA
UnhookWindowsHookEx
UnregisterClassA
GetClassNameA
PtInRect
GetWindowRect
GetDlgCtrlID
GetWindow
ClientToScreen
SetWindowTextA
GetWindowTextA
GetMenuItemCount
IsWindowEnabled
ReleaseDC
TabbedTextOutA
DrawTextA
GrayStringA
GetDlgItem
SendDlgItemMessageA
IsDialogMessageA
SetWindowLongA
SetWindowPos
ShowWindow
SetFocus
GetSystemMetrics
GetWindowPlacement
IsIconic
SystemParametersInfoA
RegisterWindowMessageA
SetForegroundWindow
GetForegroundWindow
GetMessagePos
GetMessageTime
DefWindowProcA
RemovePropA
CallWindowProcA
GetPropA
SetPropA
GetClassLongA
CreateWindowExA
DestroyWindow
GetMenuItemID
GetSubMenu
GetMenu
RegisterClassA
GetClassInfoA
WinHelpA
GetCapture
GetDC
SetCursor
SendMessageA
GetWindowLongA
PostMessageA
PostQuitMessage
GetTopWindow
CopyRect
GetClientRect
AdjustWindowRectEx
IsWindow
GetSysColor
MapWindowPoints
UpdateWindow
LoadIconA
LoadCursorA
GetSysColorBrush
LoadStringA
PostThreadMessageA
DestroyMenu
wvsprintfA
MessageBoxA
wsprintfA
CreateDialogIndirectParamA
EndDialog
GetFocus
SetActiveWindow
ScrollWindow
GetScrollInfo
SetScrollInfo
AdjustWindowRectEx
MapWindowPoints
SendDlgItemMessageA
ShowScrollBar
ScrollWindowEx
IsDialogMessageA
MoveWindow
CheckMenuItem
SetMenuItemBitmaps
GetMenuState
GetMenuCheckMarkDimensions
LoadStringA
GetSysColorBrush
GetScrollPos
RegisterClassA
GetMenuItemCount
GetMenuItemID
CreateWindowExA
SetWindowsHookExA
CallNextHookEx
GetClassLongA
SetPropA
UnhookWindowsHookEx
GetPropA
CallWindowProcA
RemovePropA
GetMessageTime
GetLastActivePopup
RegisterWindowMessageA
GetWindowPlacement
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamA
DestroyWindow
EndPaint
BeginPaint
GetWindowDC
CharUpperA
GetWindowTextLengthA
wvsprintfA
SetWindowTextA
FrameRect
GetDoubleClickTime
GetCursor
ClipCursor
GrayStringA
DrawTextA
TabbedTextOutA
GetWindowTextA
GetDlgItem
UnregisterClassA
GetClassNameA
GetDesktopWindow
GetForegroundWindow
LoadIconA
TranslateMessage
DrawFrameControl
WaitForInputIdle
wsprintfA
CloseClipboard
GetClipboardData
OpenClipboard
SetClipboardData
EmptyClipboard
IsClipboardFormatAvailable
GetSystemMetrics
GetCursorPos
MessageBoxA
MessageBeep
SetWindowPos
SendMessageA
DestroyCursor
SetParent
IsWindow
PostMessageA
GetTopWindow
GetParent
GetFocus
GetClientRect
InvalidateRect
ValidateRect
UpdateWindow
EqualRect
GetWindowRect
SetForegroundWindow
DestroyMenu
TrackPopupMenu
IsChild
ReleaseDC
IsRectEmpty
InvertRect
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
ScreenToClient
GetMessagePos
SetWindowRgn
DestroyAcceleratorTable
GetWindow
GetActiveWindow
SetFocus
IsIconic
PeekMessageA
SetMenu
GetMenu
DeleteMenu
GetSystemMenu
DefWindowProcA
GetClassInfoA
IsZoomed
PostQuitMessage
CopyAcceleratorTableA
GetKeyState
TranslateAcceleratorA
IsWindowEnabled
ShowWindow
SystemParametersInfoA
LoadImageA
EnumDisplaySettingsA
ClientToScreen
EnableMenuItem
GetSubMenu
GetDlgCtrlID
CreateAcceleratorTableA
CreateMenu
ModifyMenuA
AppendMenuA
CreatePopupMenu
DrawIconEx
CreateIconFromResource
CreateIconFromResourceEx
RegisterClipboardFormatA
SetRectEmpty
DispatchMessageA
GetMessageA
WindowFromPoint
DrawFocusRect
DrawEdge

wininet

InternetReadFile
InternetOpenA
HttpQueryInfoA
InternetCloseHandle
HttpSendRequestA
HttpOpenRequestA
InternetConnectA
InternetCloseHandle
InternetOpenA
InternetSetOptionA
InternetConnectA
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
HttpOpenRequestA
InternetCrackUrlA
InternetCanonicalizeUrlA

winmm

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

oleaut32

SysAllocString
SafeArrayDestroy
VariantClear
VariantInit
SafeArrayAllocDescriptor
SafeArrayAllocData
SafeArrayGetDim
SafeArrayGetLBound
SafeArrayGetUBound
SafeArrayAccessData
SafeArrayUnaccessData
SafeArrayGetElemsize
SysFreeString
VarR8FromCy
VarR8FromBool
VariantChangeType
LoadTypeLi
LHashValOfNameSys
RegisterTypeLi
VariantCopy
SafeArrayCreate
VariantTimeToSystemTime
VariantCopy
VarDateFromStr
UnRegisterTypeLi
LoadTypeLi
LHashValOfNameSys
RegisterTypeLi
SafeArrayPutElement
SafeArrayCreate
SafeArrayDestroy
SysAllocString
VariantInit
VariantCopyInd
SafeArrayGetElement
SafeArrayAccessData
SafeArrayUnaccessData
SafeArrayGetDim
SafeArrayGetLBound
SafeArrayGetUBound
VariantChangeType
VariantClear

gdi32

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

winspool.drv

DocumentPropertiesA
ClosePrinter
OpenPrinterA
OpenPrinterA
DocumentPropertiesA
ClosePrinter

advapi32

RegOpenKeyExA
RegSetValueExA
RegCloseKey
RegCreateKeyExA
RegCloseKey
RegOpenKeyExA
RegSetValueExA
RegDeleteValueA
RegQueryValueA
RegOpenKeyA
RegCreateKeyExA
RegQueryValueExA

comctl32

ord17
ImageList_Read
ImageList_Create
ImageList_Destroy
ord17
ImageList_Draw
ImageList_AddMasked
ImageList_SetBkColor
ImageList_GetImageCount
ImageList_GetImageInfo
ImageList_Duplicate

oledlg

ord8

ws2_32

sendto
gethostbyname
inet_ntoa
inet_addr
socket
htonl
bind
ntohl
WSAGetLastError
getsockname
ntohs
__WSAFDIsSet
accept
getpeername
listen
recv
connect
ioctlsocket
recvfrom
htons
gethostname
WSAAsyncSelect
closesocket
send
select
WSACleanup
WSAStartup

rasapi32

RasHangUpA
RasGetConnectStatusA

comdlg32

GetOpenFileNameA
PrintDlgA
GetFileTitleA
ChooseColorA
GetSaveFileNameA

shell32

SHGetSpecialFolderPathA
SHChangeNotify
Shell_NotifyIconA
ShellExecuteA

Sections

.text
Size: 3.5MB - Virtual size: 3.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2.6MB - Virtual size: 2.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 220KB - Virtual size: 625KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.vmp0
Size: 2.2MB - Virtual size: 2.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 60KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b9e05f1cffee3be2270266d4caf76dd6

Headers

File Characteristics

Imports

kernel32

ole32

user32

wininet

winmm

oleaut32

gdi32

winspool.drv

advapi32

comctl32

oledlg

ws2_32

rasapi32

comdlg32

shell32

Sections

.text Size: 3.5MB - Virtual size: 3.5MB

.rdata Size: 2.6MB - Virtual size: 2.6MB

.data Size: 220KB - Virtual size: 625KB

.vmp0 Size: 2.2MB - Virtual size: 2.2MB

.rsrc Size: 60KB - Virtual size: 56KB

.text
Size: 3.5MB - Virtual size: 3.5MB

.rdata
Size: 2.6MB - Virtual size: 2.6MB

.data
Size: 220KB - Virtual size: 625KB

.vmp0
Size: 2.2MB - Virtual size: 2.2MB

.rsrc
Size: 60KB - Virtual size: 56KB