Static task
static1
Behavioral task
behavioral1
Sample
2024-05-11_041cb761db57097c3bbe867e3bfa47a9_bkransomware.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-11_041cb761db57097c3bbe867e3bfa47a9_bkransomware.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-11_041cb761db57097c3bbe867e3bfa47a9_bkransomware
-
Size
3.1MB
-
MD5
041cb761db57097c3bbe867e3bfa47a9
-
SHA1
0acd6677776d1d2fc8fb41a1621762edd6c5bf0d
-
SHA256
bf1d90f91c7cf5143eb4a390ca5147253bc0baa900f190e1c30a84754db8e87b
-
SHA512
6ea362a71a0e498ea7165a9947987323a41c3a2bfb015a1f64925d966198f2d7bf0ef9f9f96848617058f79bbd47cc4c8bfa76195fd76c39322d0faa6b623d1f
-
SSDEEP
49152:ed04ZUP6bCnjfmicXuVh7nMwg7mfjEzOi+jpYA0vAQX74o/oJ5015H5NZ9JOiUbL:eeKicXEZMubVYZYkJz8
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-11_041cb761db57097c3bbe867e3bfa47a9_bkransomware
Files
-
2024-05-11_041cb761db57097c3bbe867e3bfa47a9_bkransomware.exe windows:5 windows x86 arch:x86
50e43859aa1f606cd240063717c76de8
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
FindFirstFileA
SetFileAttributesA
lstrcatA
GetWindowsDirectoryA
SetEndOfFile
SetEnvironmentVariableA
CreateProcessA
GetExitCodeProcess
WriteConsoleW
SetThreadPriority
InitializeCriticalSection
LeaveCriticalSection
EnterCriticalSection
HeapReAlloc
SetStdHandle
GetTimeZoneInformation
FreeEnvironmentStringsW
GetEnvironmentStringsW
VirtualFree
VirtualAlloc
GetVersionExW
LoadLibraryW
UnregisterWaitEx
InitializeSListHead
FreeLibraryAndExitThread
GetThreadTimes
OutputDebugStringW
GetFileAttributesExW
FlushFileBuffers
CreateDirectoryW
GetOEMCP
GetACP
IsValidCodePage
GetModuleFileNameW
GetStdHandle
ReadConsoleW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
CreateSemaphoreW
GetStartupInfoW
CreateEventW
InitializeCriticalSectionAndSpinCount
SetLastError
UnhandledExceptionFilter
DeleteCriticalSection
GetFileType
GetCPInfo
LoadLibraryExW
RtlUnwind
GetCommandLineA
RaiseException
CreateTimerQueue
UnregisterWait
RegisterWaitForSingleObject
SetThreadAffinityMask
GetProcessAffinityMask
GetNumaHighestNodeNumber
GetModuleHandleW
DeleteTimerQueueTimer
ChangeTimerQueueTimer
CreateTimerQueueTimer
FindNextFileA
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetThreadPriority
SwitchToThread
SignalObjectAndWait
WaitForSingleObjectEx
QueryDepthSList
WaitForSingleObject
SetEvent
Sleep
GetSystemInfo
GetLastError
ReadProcessMemory
GetCurrentProcess
Module32Next
Module32First
GetCurrentProcessId
GetTickCount
GetCurrentDirectoryW
MultiByteToWideChar
CloseHandle
FindClose
GetCurrentDirectoryA
lstrlenA
GetPrivateProfileStringA
GetModuleHandleA
GetProcAddress
VirtualProtect
GetModuleFileNameA
GlobalFree
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
CreateThread
HeapFree
HeapAlloc
IsDebuggerPresent
AreFileApisANSI
GetModuleHandleExW
ExitProcess
CreateFileW
IsProcessorFeaturePresent
GetProcessHeap
HeapValidate
DecodePointer
EncodePointer
GetStringTypeW
DuplicateHandle
GetCurrentThreadId
GetSystemTimeAsFileTime
QueryPerformanceCounter
ReleaseSemaphore
GetLocaleInfoA
CompareStringA
WideCharToMultiByte
GetVersionExA
GetSystemDirectoryA
LoadLibraryA
lstrlenW
GlobalUnlock
GlobalLock
FreeLibrary
ReadFile
WriteFile
OutputDebugStringA
WinExec
GetCurrentThread
SetUnhandledExceptionFilter
CreateFileA
CreateFileMappingA
UnmapViewOfFile
MapViewOfFile
GetFileSize
CreateDirectoryA
GetTempPathA
GlobalAlloc
GetLogicalProcessorInformation
TerminateProcess
CreateToolhelp32Snapshot
user32
TranslateMessage
DispatchMessageA
GetKeyboardLayoutNameA
GetKeyboardLayout
OpenClipboard
CloseClipboard
GetClipboardData
CharNextW
CharNextExA
CharPrevExA
ShowCursor
DestroyCursor
LoadImageA
GetKeyState
SystemParametersInfoA
SetWindowPos
LoadIconA
FindWindowA
ScreenToClient
GetCursorPos
PostQuitMessage
GetAsyncKeyState
SetRect
OffsetRect
GetClientRect
ClientToScreen
PeekMessageA
ReleaseDC
FillRect
GetDC
InvalidateRect
MessageBoxA
GetMessageA
LoadCursorA
GetMenu
RegisterClassA
SetWindowLongA
GetWindowLongA
UpdateWindow
SetFocus
MoveWindow
DestroyWindow
IsWindow
CreateWindowExA
RegisterClassExA
UnregisterClassA
DefWindowProcA
SetCursor
SetCursorPos
SetCapture
ReleaseCapture
ChangeDisplaySettingsA
AdjustWindowRectEx
ShowWindow
GetCapture
GetSystemMetrics
LoadStringA
gdi32
CreateFontIndirectA
GetCharABCWidthsFloatW
EnumFontFamiliesExA
SelectObject
SetBkColor
SetTextColor
TextOutW
CreateCompatibleDC
DeleteDC
SetBkMode
CreateDIBSection
TextOutA
GetStockObject
CreateSolidBrush
DeleteObject
StretchBlt
GetTextExtentPoint32A
GetTextExtentPoint32W
ole32
CoInitializeEx
OleUninitialize
OleInitialize
CoGetClassObject
OleSetContainedObject
CoUninitialize
CoInitialize
CoCreateInstance
winmm
timeGetDevCaps
timeEndPeriod
timeBeginPeriod
timeGetTime
d3d8
Direct3DCreate8
python27
PyImport_AddModule
Py_BuildValue
PyErr_SetString
PyTuple_GetItem
PyInt_AsLong
PyList_New
PyString_FromString
PyList_Append
Py_InitModule4
PyModule_AddIntConstant
PyTuple_Size
PyDict_GetItemString
PyLong_AsLong
PyTuple_New
PyDict_New
PyDict_SetItemString
PyTuple_SetItem
PyArg_ParseTuple
PyDict_Size
PyDict_Next
PyImport_ImportModule
PyModule_AddStringConstant
PyString_InternFromString
PyObject_GetAttrString
PyObject_GetAttr
PyCallable_Check
PyLong_AsLongLong
PyFloat_AsDouble
PyString_AsString
PyErr_Clear
PyErr_BadArgument
PyExc_RuntimeError
PyErr_Print
PyObject_CallObject
PyNumber_Check
_Py_NoneStruct
PyModule_GetDict
PyErr_Fetch
Py_SetProgramName
Py_Initialize
Py_Finalize
PyRun_StringFlags
devil
ilConvertImage
ilGetInteger
ilLoad
ilOriginFunc
ilEnable
ilBindImage
ilGenImages
ilInit
ilSetPixels
ilTexImage
ilSave
ilShutDown
ilCopyPixels
ilDeleteImages
imm32
ImmSetCompositionStringW
ImmNotifyIME
ImmGetOpenStatus
ImmSetConversionStatus
ImmGetConversionStatus
ImmGetCandidateListW
ImmGetIMEFileNameA
ImmGetCompositionStringW
ImmAssociateContext
ImmReleaseContext
ImmGetContext
ImmIsIME
version
VerQueryValueA
GetFileVersionInfoA
GetFileVersionInfoSizeA
imagehlp
StackWalk
EnumerateLoadedModules
GetTimestampForLoadedLibrary
granny2
_GrannyFindBoneByName@12
_GrannyGetMeshBindingToBoneIndices@4
_GrannyFreeMeshBinding@4
_GrannyNewMeshBinding@12
_GrannyFreeModelInstance@4
_GrannyInstantiateModel@4
_GrannyGetWorldPoseComposite4x4Array@4
_GrannyFreeLocalPose@4
_GrannyNewLocalPose@4
_GrannyUpdateModelMatrix@20
_GrannySampleModelAnimationsAccelerated@20
_GrannyFreeCompletedModelControls@4
_GrannySetModelClock@8
_GrannyGetSourceSkeleton@4
_GrannyGetFileInfo@4
_GrannyFreeFile@4
_GrannyFreeFileSection@8
_GrannyReadEntireFileFromMemory@8
_GrannyConvertSingleObject@20
_GrannyFindMatchingMember@16
_GrannyGetMaterialTextureByType@8
_GrannyGetWorldPose4x4@8
_GrannyGetWorldPoseComposite4x4@8
_GrannyGetTotalTypeSize@4
_GrannyGetMeshVertexCount@4
_GrannyMeshIsRigid@4
_GrannyGetMeshIndexCount@4
_GrannyNewWorldPose@4
_GrannyFreeControlOnceUnused@4
_GrannyCompleteControlAt@8
_GrannyControlIsComplete@4
_GrannyFreeControlIfComplete@4
_GrannyGetControlLoopCount@4
_GrannySetControlLoopCount@8
_GrannyGetControlSpeed@4
_GrannySetControlSpeed@8
_GrannyGetControlLocalDuration@4
_GrannySetControlEaseIn@8
_GrannySetControlEaseInCurve@28
_GrannySetControlEaseOut@8
_GrannySetControlEaseOutCurve@28
_GrannyGetControlRawLocalClock@4
_GrannySetControlRawLocalClock@8
_GrannyPlayControlledAnimation@12
_GrannyGetMeshTriangleGroupCount@4
_GrannyGetMeshTriangleGroups@4
_GrannyGetMeshVertexType@4
_GrannyCopyMeshVertices@12
_GrannyGetMeshVertices@4
_GrannyCopyMeshIndices@12
_GrannyNewMeshDeformer@16
_GrannyFreeMeshDeformer@4
_GrannyDeformVertices@24
GrannyPNT332VertexType
_GrannyFreeControl@4
_GrannyFreeWorldPose@4
mss32
_AIL_close_digital_driver@4
_AIL_enumerate_3D_providers@12
_AIL_open_3D_provider@4
_AIL_close_3D_provider@4
_AIL_open_3D_listener@4
_AIL_close_3D_listener@4
_AIL_set_3D_position@16
_AIL_set_3D_velocity@20
_AIL_set_3D_orientation@28
_AIL_startup@0
_AIL_shutdown@0
_AIL_set_redist_directory@4
_AIL_close_stream@4
_AIL_start_stream@4
_AIL_pause_stream@8
_AIL_set_stream_volume_levels@12
_AIL_stream_volume_levels@12
_AIL_set_stream_loop_count@8
_AIL_stream_status@4
_AIL_last_error@0
_AIL_allocate_sample_handle@4
_AIL_release_sample_handle@4
_AIL_init_sample@4
_AIL_set_sample_file@12
_AIL_open_stream@12
_AIL_stop_sample@4
_AIL_resume_sample@4
_AIL_end_sample@4
_AIL_set_sample_volume_pan@12
_AIL_set_sample_loop_count@8
_AIL_sample_status@4
_AIL_sample_volume_pan@12
_AIL_allocate_3D_sample_handle@4
_AIL_release_3D_sample_handle@4
_AIL_start_3D_sample@4
_AIL_stop_3D_sample@4
_AIL_resume_3D_sample@4
_AIL_end_3D_sample@4
_AIL_set_3D_sample_file@8
_AIL_set_3D_sample_volume@8
_AIL_set_3D_sample_loop_count@8
_AIL_3D_sample_status@4
_AIL_3D_sample_volume@4
_AIL_auto_update_3D_position@8
_AIL_WAV_info@8
_AIL_set_file_callbacks@16
_AIL_file_read@8
_AIL_mem_free_lock@4
_AIL_open_digital_driver@16
_AIL_file_type@8
_AIL_start_sample@4
_AIL_decompress_ASI@24
_AIL_decompress_ADPCM@12
speedtreert
?SetTime@CSpeedTreeRT@@SAXM@Z
?GetCollisionObject@CSpeedTreeRT@@QAEXIAAW4ECollisionObjectType@1@PAM1@Z
?GetCollisionObjectCount@CSpeedTreeRT@@QAEIXZ
?GetBoundingBox@CSpeedTreeRT@@QBEXPAM@Z
?GetCurrentError@CSpeedTreeRT@@SAPBDXZ
?SetTextureFlip@CSpeedTreeRT@@SAX_N@Z
?GetTextures@CSpeedTreeRT@@QBEXAAUSTextures@1@@Z
?GetGeometry@CSpeedTreeRT@@QAEXAAUSGeometry@1@KFFF@Z
?GetNumFrondLodLevels@CSpeedTreeRT@@QBEGXZ
?GetNumLeafLodLevels@CSpeedTreeRT@@QBEGXZ
?GetNumBranchLodLevels@CSpeedTreeRT@@QBEGXZ
?SetLodLimits@CSpeedTreeRT@@QAEXMM@Z
?SetDropToBillboard@CSpeedTreeRT@@SAX_N@Z
?SetLodLevel@CSpeedTreeRT@@QAEXM@Z
?ComputeLodLevel@CSpeedTreeRT@@QAEXXZ
?SetLocalMatrices@CSpeedTreeRT@@QAEXII@Z
?SetFrondWindMethod@CSpeedTreeRT@@QAEXW4EWindMethod@1@@Z
?SetBranchWindMethod@CSpeedTreeRT@@QAEXW4EWindMethod@1@@Z
?SetLeafWindMethod@CSpeedTreeRT@@QAEXW4EWindMethod@1@@Z
?SetNumLeafRockingGroups@CSpeedTreeRT@@QAEXI@Z
?SetLeafRockingState@CSpeedTreeRT@@QAEX_N@Z
?GetFrondMaterial@CSpeedTreeRT@@QBEPBMXZ
?GetLeafMaterial@CSpeedTreeRT@@QBEPBMXZ
?GetBranchMaterial@CSpeedTreeRT@@QBEPBMXZ
?SetFrondLightingMethod@CSpeedTreeRT@@QAEXW4ELightingMethod@1@@Z
?SetLeafLightingMethod@CSpeedTreeRT@@QAEXW4ELightingMethod@1@@Z
?SetBranchLightingMethod@CSpeedTreeRT@@QAEXW4ELightingMethod@1@@Z
?SetTreePosition@CSpeedTreeRT@@QAEXMMM@Z
?GetTreePosition@CSpeedTreeRT@@QBEPBMXZ
?SetTreeSize@CSpeedTreeRT@@QAEXMM@Z
?LoadTree@CSpeedTreeRT@@QAE_NPBEI@Z
?LoadTree@CSpeedTreeRT@@QAE_NPBD@Z
?MakeInstance@CSpeedTreeRT@@QAEPAV1@XZ
?Compute@CSpeedTreeRT@@QAE_NPBMI_N@Z
??3CSpeedTreeRT@@SAXPAX@Z
??2CSpeedTreeRT@@SAPAXI@Z
??1CSpeedTreeRT@@QAE@XZ
??0CSpeedTreeRT@@QAE@XZ
?SetWindStrength@CSpeedTreeRT@@QAEMMMM@Z
?SetNumWindMatrices@CSpeedTreeRT@@SAXI@Z
?SetLightState@CSpeedTreeRT@@SAXI_N@Z
?SetLightAttributes@CSpeedTreeRT@@SAXIPBM@Z
?SetCamera@CSpeedTreeRT@@SAXPBM0@Z
??0SGeometry@CSpeedTreeRT@@QAE@XZ
??1SGeometry@CSpeedTreeRT@@QAE@XZ
??0STextures@CSpeedTreeRT@@QAE@XZ
??1STextures@CSpeedTreeRT@@QAE@XZ
dinput8
DirectInput8Create
ws2_32
htons
WSACleanup
gethostbyname
socket
send
select
recv
ioctlsocket
connect
WSAStartup
inet_addr
closesocket
__WSAFDIsSet
WSAGetLastError
ddraw
DirectDrawCreate
advapi32
RegQueryValueExA
RegOpenKeyExA
CryptGenRandom
RegOpenKeyA
CryptAcquireContextA
CryptReleaseContext
RegCloseKey
shell32
SHGetSpecialFolderPathA
oleaut32
VariantInit
SysAllocString
SysFreeString
VariantClear
Sections
.text Size: 2.2MB - Virtual size: 2.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 475KB - Virtual size: 475KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 184KB - Virtual size: 468KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data1 Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 140KB - Virtual size: 139KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 122KB - Virtual size: 121KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ