ԝlbJ��W��f��u��!�3�X�g���z�$������r��,{�uh�\Q������Y�e�����?�����K���ν��k�<lp�=~�E�Q�|q��< �ƱK+��;p�(��ω�q�M�- a�˓ɛ=!;���1��7�I��EZԾ��Y�ApQ�x]�t?j �X�-�[�J���rK��ʽ�T�{����I=�^�A$����Ɣ)~[�ZA���Ŭ� %0�1�����x�yǰ�a���v���[�Ջ+h)��P��L�o�Lս^�bkd���A��Mr��L�%��|Gt=Ž���NN��G��M__��KG?Kv��k˺��A$of`H��W�4I� �5=ؼ������� X��X8��p����U�N���A�|����Z�:sz�3�yMA�g�lދ�hGa �`̵�:�t�vH�Z��$�v��Zq��<۟�u��+H��D�����>U��r�Ɓ��kʨՏ('>@�a2�-�N��>�:L�V��]fZ=?��mm/�^7^ZҤ8s��}��]�H� �RTSq �ҀQQ��M���WFt�5@<t��Ƣ2��{.�+�2*b�N8g���\��a�a~�F��xu��)jA�;��/���ǯє��&|�W���E>s��$�S�Ʀc.̶+�!������R��&.Q�6��3͍��꩒�&s�$^�Tx�%f(���80��mڳ�YɎ����d���Dz�4:%����8���}�n������|hþ�k\�G��]�`s3Ӿ����0�uP� ��̧��as���B�#?������9��W��/����bJ�����aP��Dn��ÿ8kqj�8ȵ��������Z��V�v��PR�DZ3�I�*(�i���8��,��l��fbZC-��_\��"x��q5$s��HF�2��<b�����H&����:��F~��$�e���?R�&kd��%��*���P��H��3s���Y :� �3BvqN[���;ّ�cDvnq!6o_�`gĩ�f��At�u�<90���&��i秼A�X��R��ŗ ������[�+�,' 5��|x ��#n�b��e>���DQf�(�S_�go�@O�z��s��pJk��_��l�^�q��}�7t� ���ï�u�'�u�U��q��ls�0@��f�q��n�g�II�l;xX��ep�������,�َ#���ᥴR�̋%�t����J�@��6��Cw`0��``�<��F|�ON�-(�����7�E��7=0ɗ%@��� mi��u�<��Z=�}��^Ǧ�WKL�����,lc6�'Z(��:��<�������Ί7ex�Rl3ӼSR���~�ab2��(RtGK���7�J��R8f�;yЎ�_�m�e�A�Zq47Y�Z�|5z4�U&�5^�� �刮����G���3m�z�f�/d��9`Rh1 ��G+o����1�h��U8����b._l@D��A���U�pF���+�b�f�&�r��C�������6F�g�/i5 E�Zr&����n��S�yo}�5�l���J���jaw�.@�D��To����MK�"� �:g�٩���;�Փ��&��o~"z;j� �������w�Ԟ�9�e��TP�ӧ�m~�8OPd���>�+w��^d�����d�딌<�ȧ��> �m؛%�s��d_bرjK"�8�"���.b�%�c"(F0�?yץR]U���;� �3���M"��iW{AO7-Ŵ�Fe�E6߰����I��i�&��Dgm��ͣ��� W��I�&U(Q�U�_�b3�;��K����S��#F!���/M'�L{����>�0�n ���,�����J UiʖQ5=~�����kS�ǘ>�D�E� hDk��a�^�w�9i�p_�Ĕ�A6���U~Ï�S<F�Y9LW�iW�[VW��Z�9�!;�F�Q���p����]��&e`z0V��g�ܧ��Z ��oϤP���� �wUIݐ]Hf���ØU���sj����Ѣ�T����f/S@0�Jy�ZŃ�L���������"�G�ʤ^ui��s�m��'M�����l��;�Pd��U~㡩�7���xڟ�?xkU��S�I�}۽�"�f8p�������=k��q!H�c4��X��9���SEbE�����C�Z}�cwA�Ec��vW���t��������S��"���y�B��o���mr�귎G�˚ ��$U˙d��������I8�Q���>9�M�ZK5���#�����i���Wc�#��Q�s�O�5`U�!���!N��Y�ȶ�ZVG����&<��?�3�v� �Ա`E���EwS��XA� F;���i�(�e)�k��ه8������-x��"���G��9lZ�0㶤S�g��؛��ơ���g�|+wx$��o�{�0}�cb�ŧ}��J\H����d�a�B��_?:�/�=L`��Q��J�9�Y��Un#��� ��u:b�)g0E�����P��@p5=[{�6 ��N����r������ۛ ����� <ʡh��!cg��_�I=<�8n+���q��x�� �]^3��7�ѹx�)&�y�S�Y� ��)k oR;�8O�ljJh�ƒ���2����Fan`x�B��z� �?�|��B��q�ER5��R�lv<c� G�M`��DDQ��T?������jLp����Y�ʈ0���M�Xx��:��������en�Frثy��6 IӜ����J�����wm��ݧ� ���³/^�N�OO��2ަW�S-XǧL_��T����[��؞_�ׄ�Z�i�K�f�S����H��"�I�V�^��fs店��PC^]4�&Y@��rH��ߚp���#�@F̝2�����M��{�:6w}�6��a�S�"���j�D|T��]�cQ*7.`g �?9mbv�P����zW�+�n3{3�����ĸ���6nY�EȊ"@���J��b����SG87����^M��h�HKf`|��xv��'���ù���U��ZY m���)>�Pa���dJGRC5�tr������b��o�\qwo ������,�5#�?�w=�!j�l
Behavioral task
behavioral1
Sample
f0e644b624784647bbb6a678b70ddba9b57b7cce7cabb0c3a39356c12e30ac9a.exe
Resource
win7-20230712-en
General
-
Target
f0e644b624784647bbb6a678b70ddba9b57b7cce7cabb0c3a39356c12e30ac9a
-
Size
7.3MB
-
MD5
26f2341361a16884fbe537d4d51725ac
-
SHA1
b58dfa49faded5a6c29ccb835da51e826b132253
-
SHA256
f0e644b624784647bbb6a678b70ddba9b57b7cce7cabb0c3a39356c12e30ac9a
-
SHA512
a6460a0332fc9cc732bc831a9c9dc30572a574a827830ead8f79c7fb5194bbeae7fa4ed36fb2aaba26ef7c165172c4e2304e329637fd898ebee87fd1573bb7c5
-
SSDEEP
98304:eXFMjdufw6iW6lh3biSOPFcTCv9KRJ8p6gbNDInyfq:dVh3XON1v9KJgbNN
Malware Config
Signatures
-
resource yara_rule sample detect_ak_stuff -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource f0e644b624784647bbb6a678b70ddba9b57b7cce7cabb0c3a39356c12e30ac9a
Files
-
f0e644b624784647bbb6a678b70ddba9b57b7cce7cabb0c3a39356c12e30ac9a.exe windows x86
fc60a6f7f9609222eea1c3a52dba65c4
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
CloseHandle
WaitForSingleObject
GetTickCount
GetCommandLineA
MulDiv
GetDiskFreeSpaceA
GetProcAddress
GetModuleHandleA
GetVolumeInformationA
SetCurrentDirectoryA
SetStdHandle
IsBadCodePtr
IsBadReadPtr
CompareStringW
CompareStringA
SetUnhandledExceptionFilter
GetStringTypeW
GetStringTypeA
IsBadWritePtr
VirtualAlloc
LCMapStringW
LCMapStringA
SetEnvironmentVariableA
VirtualFree
GetEnvironmentVariableA
GetFileType
GetStdHandle
SetHandleCount
GetEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsW
FreeEnvironmentStringsA
UnhandledExceptionFilter
GetACP
TerminateProcess
GetLocalTime
GetTimeZoneInformation
RaiseException
RtlUnwind
GetStartupInfoA
GetOEMCP
GetCPInfo
GetProcessVersion
SetErrorMode
GlobalFlags
GetCurrentThread
GetFileTime
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
LocalAlloc
lstrcmpA
GetVersion
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
lstrcmpiA
DuplicateHandle
lstrcpynA
SetLastError
FileTimeToLocalFileTime
FileTimeToSystemTime
InterlockedDecrement
InterlockedIncrement
DeleteFileA
GetFileAttributesA
FindClose
FindFirstFileA
GetTempPathA
GlobalUnlock
GlobalLock
GlobalAlloc
ExpandEnvironmentStringsA
Sleep
CreateEventA
CreateThread
GetCurrentProcess
InterlockedCompareExchange
AreFileApisANSI
CreateFileW
CreateFileMappingA
CreateFileMappingW
CreateMutexW
DeleteFileW
FlushFileBuffers
FormatMessageA
FormatMessageW
GetCurrentProcessId
GetDiskFreeSpaceW
GetFileAttributesW
GetFileAttributesExW
GetFileSize
GetFullPathNameW
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathW
HeapCreate
HeapDestroy
HeapSize
HeapValidate
LoadLibraryW
LocalFree
LockFile
LockFileEx
MapViewOfFile
QueryPerformanceCounter
SetEndOfFile
SetFilePointer
SystemTimeToFileTime
UnlockFile
UnlockFileEx
UnmapViewOfFile
CreateSemaphoreA
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
WriteFile
GetProcessHeap
HeapReAlloc
HeapFree
GlobalReAlloc
FindNextFileA
lstrcpyA
WinExec
lstrlenA
lstrcatA
InitializeCriticalSection
DeleteCriticalSection
GlobalFree
GlobalSize
ExitProcess
GetUserDefaultLCID
MultiByteToWideChar
WideCharToMultiByte
GetFullPathNameA
GetPrivateProfileStringA
WaitForMultipleObjects
WritePrivateProfileStringA
CreateFileA
SetEvent
FindResourceA
LoadResource
LockResource
ReadFile
lstrlenW
GetModuleFileNameA
GetCurrentThreadId
GetVersionExA
GetLastError
LoadLibraryA
FreeLibrary
HeapAlloc
VirtualQuery
GetSystemTimeAsFileTime
GetModuleHandleA
CreateEventA
GetModuleFileNameW
LoadLibraryA
TerminateProcess
GetCurrentProcess
CreateToolhelp32Snapshot
Thread32First
GetCurrentProcessId
GetCurrentThreadId
OpenThread
Thread32Next
CloseHandle
SuspendThread
ResumeThread
WriteProcessMemory
GetSystemInfo
VirtualAlloc
VirtualProtect
VirtualFree
GetProcessAffinityMask
SetProcessAffinityMask
GetCurrentThread
SetThreadAffinityMask
Sleep
FreeLibrary
GetTickCount
GlobalFree
GetProcAddress
LocalAlloc
LocalFree
ExitProcess
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
GetModuleHandleW
LoadResource
MultiByteToWideChar
FindResourceExW
FindResourceExA
WideCharToMultiByte
GetThreadLocale
GetUserDefaultLCID
GetSystemDefaultLCID
EnumResourceNamesA
EnumResourceNamesW
EnumResourceLanguagesA
EnumResourceLanguagesW
EnumResourceTypesA
EnumResourceTypesW
CreateFileW
LoadLibraryW
GetLastError
FlushFileBuffers
CreateFileA
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
GetCommandLineA
RaiseException
RtlUnwind
HeapFree
GetCPInfo
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
IsValidCodePage
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
SetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapAlloc
LCMapStringA
LCMapStringW
SetHandleCount
GetStdHandle
GetFileType
GetStartupInfoA
GetModuleFileNameA
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
HeapCreate
HeapDestroy
QueryPerformanceCounter
HeapReAlloc
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
HeapSize
WriteFile
SetFilePointer
GetConsoleCP
GetConsoleMode
InitializeCriticalSectionAndSpinCount
SetStdHandle
LocalAlloc
LocalFree
GetModuleFileNameW
GetProcessAffinityMask
SetProcessAffinityMask
SetThreadAffinityMask
Sleep
ExitProcess
FreeLibrary
LoadLibraryA
GetModuleHandleA
GetProcAddress
user32
UnregisterClassA
wsprintfA
CloseClipboard
GetClipboardData
OpenClipboard
SetClipboardData
EmptyClipboard
GetSystemMetrics
GetCursorPos
MessageBoxA
SetWindowPos
SendMessageA
DestroyCursor
SetParent
GetForegroundWindow
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
GetClassInfoA
DefWindowProcA
GetSystemMenu
DeleteMenu
GetMenu
SetMenu
PeekMessageA
IsIconic
SetFocus
GetActiveWindow
GetWindow
DestroyAcceleratorTable
SetWindowRgn
GetMessagePos
ScreenToClient
ChildWindowFromPointEx
CopyRect
LoadBitmapA
WinHelpA
KillTimer
SetTimer
ReleaseCapture
GetCapture
SetCapture
GetScrollRange
SetScrollRange
SetScrollPos
SetRect
InflateRect
IntersectRect
DestroyIcon
PtInRect
OffsetRect
IsWindowVisible
EnableWindow
RedrawWindow
GetWindowLongA
SetWindowLongA
GetSysColor
SetActiveWindow
SetCursorPos
LoadCursorA
SetCursor
GetDC
FillRect
IsRectEmpty
ReleaseDC
IsChild
TrackPopupMenu
DestroyMenu
GetWindowTextA
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
DrawTextA
GrayStringA
GetDlgItem
DestroyWindow
CreateDialogIndirectParamA
EndDialog
GetNextDlgTabItem
GetWindowPlacement
RegisterWindowMessageA
GetLastActivePopup
GetMessageTime
RemovePropA
CallWindowProcA
GetPropA
UnhookWindowsHookEx
SetPropA
GetClassLongA
CallNextHookEx
SetWindowsHookExA
CreateWindowExA
GetMenuItemID
GetMenuItemCount
RegisterClassA
GetScrollPos
AdjustWindowRectEx
MapWindowPoints
SendDlgItemMessageA
ScrollWindowEx
IsDialogMessageA
SetWindowTextA
MoveWindow
CheckMenuItem
SetMenuItemBitmaps
GetMenuState
GetMenuCheckMarkDimensions
GetClassNameA
GetDesktopWindow
LoadStringA
GetSysColorBrush
SetForegroundWindow
GetWindowRect
EqualRect
UpdateWindow
ValidateRect
InvalidateRect
GetClientRect
GetFocus
GetParent
GetTopWindow
PostMessageA
IsWindow
GetUserObjectInformationW
CharUpperBuffW
MessageBoxW
GetProcessWindowStation
GetProcessWindowStation
GetUserObjectInformationW
gdi32
ExtSelectClipRgn
LineTo
MoveToEx
ExcludeClipRect
GetClipBox
GetViewportExtEx
PtVisible
RectVisible
TextOutA
ExtTextOutA
ScaleWindowExtEx
SetWindowExtEx
SaveDC
RestoreDC
SetBkMode
SetPolyFillMode
SetROP2
SetTextColor
SetMapMode
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
Escape
GetTextMetricsA
ScaleViewportExtEx
SetWindowOrgEx
SelectPalette
SetBkColor
CreateRectRgnIndirect
SetStretchBltMode
GetClipRgn
CreatePolygonRgn
SelectClipRgn
DeleteObject
CreateDIBitmap
GetSystemPaletteEntries
CreatePalette
StretchBlt
RealizePalette
GetDIBits
GetWindowExtEx
GetViewportOrgEx
GetWindowOrgEx
BeginPath
EndPath
PathToRegion
CreateEllipticRgn
CreateRoundRectRgn
GetTextColor
GetBkMode
GetBkColor
GetROP2
GetStretchBltMode
GetPolyFillMode
CreateCompatibleBitmap
CreateDCA
CreateBitmap
SelectObject
CreatePen
PatBlt
CombineRgn
CreateRectRgn
FillRgn
CreateSolidBrush
CreateFontIndirectA
GetStockObject
GetObjectA
EndPage
EndDoc
DeleteDC
StartDocA
StartPage
BitBlt
CreateCompatibleDC
Ellipse
Rectangle
LPtoDP
DPtoLP
GetCurrentObject
RoundRect
GetTextExtentPoint32A
GetDeviceCaps
winmm
midiStreamStop
waveOutUnprepareHeader
waveOutPrepareHeader
waveOutWrite
waveOutPause
waveOutReset
waveOutClose
waveOutGetNumDevs
waveOutOpen
midiOutUnprepareHeader
midiStreamOpen
midiStreamProperty
midiOutPrepareHeader
midiStreamOut
midiOutReset
midiStreamClose
midiStreamRestart
winspool.drv
DocumentPropertiesA
OpenPrinterA
ClosePrinter
advapi32
RegCreateKeyExA
RegCloseKey
RegQueryValueExA
RegOpenKeyExA
RegSetValueExA
RegQueryValueA
shell32
Shell_NotifyIconA
ShellExecuteA
ole32
CLSIDFromProgID
OleRun
CoCreateInstance
CLSIDFromString
OleUninitialize
OleInitialize
oleaut32
VariantClear
VariantChangeType
SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayGetDim
SafeArrayUnaccessData
SafeArrayAccessData
SafeArrayGetElement
VariantCopyInd
VariantInit
SysAllocString
SafeArrayDestroy
SafeArrayCreate
SafeArrayPutElement
RegisterTypeLi
LHashValOfNameSys
LoadTypeLi
UnRegisterTypeLi
comctl32
ImageList_GetImageCount
ImageList_SetBkColor
ord17
ImageList_Destroy
ImageList_Read
ImageList_Duplicate
ws2_32
closesocket
WSACleanup
inet_ntoa
WSAAsyncSelect
recvfrom
ioctlsocket
recv
getpeername
accept
comdlg32
GetFileTitleA
GetSaveFileNameA
GetOpenFileNameA
ChooseColorA
wtsapi32
WTSSendMessageW
Exports
Exports
Sections
.text Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.8MB - Virtual size: 1.8MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 100KB - Virtual size: 259KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
fGJslF0 Size: 2.3MB - Virtual size: 2.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
fGJslF1 Size: 1.9MB - Virtual size: 1.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 88KB - Virtual size: 86KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ