2024-09-06_7797981aa1d73a029c28a0e39597f39c_bkransomware

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General

Target

2024-09-06_7797981aa1d73a029c28a0e39597f39c_bkransomware
Size

4.8MB
MD5

7797981aa1d73a029c28a0e39597f39c
SHA1

1859eae262e110fbc752e8732e5526f8877b3da5
SHA256

af14603aff459da44277c7333a7383faefe8e7bf85e8bcf816a61df246396fc8
SHA512

bfb77b31c2494b1079c9708dfe19e344b8a4a340e9d3a991aa25a2051949fa82f36bef1a8a18217264cddd653426cd8fb5fd30e39a792eeb8e3f79fc2cc126f4
SSDEEP

49152:6tEMb6OHY/1ZhqQ1eqVOOtvEsSuyThsfd5t2YJ8Si659r1Aze2u6q1nfgxon986Z:6aMOOH01Z71vVOO+svd2YJVr5cOlpH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-06_7797981aa1d73a029c28a0e39597f39c_bkransomware

Files

2024-09-06_7797981aa1d73a029c28a0e39597f39c_bkransomware
.exe windows:5 windows x86 arch:x86

43a01e9edfe7a53d6e88d675117126c6

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

H:\trunk_en_4.0(多捆绑)\downloader2\bin\ldplayerinst.pdb

Imports

advapi32

RegOpenKeyExA
RegCloseKey
OpenProcessToken
DuplicateTokenEx
RegQueryValueExW
RegCreateKeyW
RegOpenKeyW
RegDeleteValueW
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGetHashParam
CryptGenRandom
CryptReleaseContext
CryptAcquireContextA

ws2_32

WSACleanup
gethostbyname
inet_addr
ntohs
recvfrom
freeaddrinfo
getaddrinfo
ntohl
htons
getsockopt
getsockname
getpeername
WSASetLastError
select
__WSAFDIsSet
WSAGetLastError
accept
listen
closesocket
shutdown
recv
send
connect
bind
ioctlsocket
setsockopt
socket
WSAStartup
htonl
gethostname
WSAIoctl
sendto

crypt32

CertFreeCertificateContext

wldap32

ord301
ord200
ord30
ord26
ord27
ord22
ord79
ord35
ord32
ord143
ord46
ord211
ord33
ord41
ord50
ord45

normaliz

IdnToAscii

kernel32

CreateFileW
GetFileSizeEx
GetFileSize
MoveFileExW
FindFirstFileW
FindNextFileW
DeleteFileW
FindClose
GetModuleFileNameW
LoadLibraryW
GetProcAddress
FreeLibrary
ReadFile
WriteFile
SetFilePointer
GetExitCodeProcess
GetStdHandle
CreateProcessW
OpenProcess
TerminateProcess
GetModuleHandleW
Sleep
GetStartupInfoW
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GetWindowsDirectoryW
MultiByteToWideChar
WideCharToMultiByte
GetVersionExW
CreateMutexW
GetLocalTime
GlobalLock
GlobalUnlock
GlobalAlloc
GlobalFree
GetProcessHeap
HeapAlloc
GetCurrentProcess
GetDiskFreeSpaceExW
GetVolumeInformationW
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
GetCurrentThreadId
GetTickCount
FindResourceW
LoadResource
FreeResource
SizeofResource
LockResource
WritePrivateProfileStringW
WritePrivateProfileStringA
RaiseException
InitializeCriticalSectionAndSpinCount
SetEvent
DecodePointer
HeapDestroy
HeapReAlloc
HeapSize
SetLastError
GetLogicalDriveStringsW
GetDriveTypeW
DeviceIoControl
DuplicateHandle
FormatMessageA
GetTickCount64
InitializeCriticalSectionEx
SleepEx
VerSetConditionMask
GetSystemDirectoryA
GetModuleHandleA
LoadLibraryA
VerifyVersionInfoA
WaitForSingleObjectEx
GetFileType
PeekNamedPipe
WaitForMultipleObjects
ExpandEnvironmentStringsA
FindFirstFileExW
SetStdHandle
FlushFileBuffers
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetStringTypeW
GetConsoleCP
ReadConsoleW
GetConsoleMode
UnregisterWaitEx
InitializeSListHead
ReleaseSemaphore
VirtualProtect
VirtualFree
VirtualAlloc
FreeLibraryAndExitThread
GetThreadTimes
OutputDebugStringW
GetOEMCP
IsValidCodePage
AreFileApisANSI
GetModuleHandleExW
GetCPInfo
CreateSemaphoreW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
FileTimeToSystemTime
GetFileInformationByHandle
FileTimeToLocalFileTime
SetFilePointerEx
GetCommandLineW
UnregisterWait
RegisterWaitForSingleObject
SetThreadAffinityMask
GetProcessAffinityMask
GetNumaHighestNodeNumber
DeleteTimerQueueTimer
ChangeTimerQueueTimer
CreateTimerQueueTimer
GetLogicalProcessorInformation
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
CloseHandle
TerminateThread
WaitForSingleObject
CreateEventW
GetLastError
SystemTimeToTzSpecificLocalTime
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
GetFileAttributesExW
EnumSystemLocalesW
CompareStringW
LCMapStringW
GetThreadPriority
SetThreadPriority
SwitchToThread
SignalObjectAndWait
QueryDepthSList
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
CreateTimerQueue
RtlUnwind
IsProcessorFeaturePresent
IsDebuggerPresent
LoadLibraryExW
ExitThread
CreateThread
EncodePointer
GetCurrentProcessId
MulDiv
ExitProcess
GetCurrentDirectoryW
GetACP
GetSystemTimeAsFileTime
GetCurrentThread
WriteConsoleW
GetTimeZoneInformation
SetEnvironmentVariableA
GetFullPathNameW
SetEndOfFile
CreateDirectoryW
FindResourceExW
HeapFree

user32

GetSysColor
GetGUIThreadInfo
CreateAcceleratorTableW
InvalidateRgn
IntersectRect
ClientToScreen
GetPropW
SetPropW
FindWindowExW
RegisterClassW
wsprintfW
SetWindowTextW
PostQuitMessage
CloseWindow
MessageBoxW
DestroyWindow
SetWindowLongW
CreateWindowExW
PostMessageW
DefWindowProcW
PtInRect
GetCursorPos
ReleaseDC
GetDC
SetWindowPos
BringWindowToTop
SetForegroundWindow
ShowWindow
GetWindowLongW
SendMessageW
IsIconic
KillTimer
SetTimer
GetWindowRect
MoveWindow
MonitorFromWindow
GetMonitorInfoW
EnableWindow
SetCaretPos
ShowCaret
HideCaret
CreateCaret
SetRect
FillRect
DrawTextW
CharPrevW
GetCaretPos
GetCaretBlinkTime
GetWindowTextLengthW
GetWindowTextW
SetWindowRgn
IsZoomed
IsRectEmpty
CharNextW
MapWindowPoints
wvsprintfW
SetCursor
UnionRect
OffsetRect
LoadCursorW
GetMessageW
TranslateMessage
DispatchMessageW
CallWindowProcW
RegisterClassExW
GetClassInfoExW
IsWindow
SetFocus
GetClientRect
GetParent
GetWindow
IsWindowVisible
ScreenToClient
GetActiveWindow
GetFocus
GetKeyState
SetCapture
ReleaseCapture
BeginPaint
EndPaint
GetUpdateRect
InvalidateRect

gdi32

GetClipBox
GetCharABCWidthsW
CreateRectRgnIndirect
CreatePenIndirect
CombineRgn
SetTextColor
SetBkMode
CreateSolidBrush
CreatePatternBrush
GetObjectA
SetBkColor
StretchBlt
SetStretchBltMode
GetTextExtentPoint32W
CreateDIBSection
LineTo
TextOutW
ExtTextOutW
CreateRoundRectRgn
SetWindowOrgEx
GetTextMetricsW
SaveDC
RestoreDC
Rectangle
CreatePen
CreateFontIndirectW
GetDeviceCaps
DeleteDC
GetObjectW
GetStockObject
ExtSelectClipRgn
SelectClipRgn
MoveToEx
DeleteObject
GdiFlush
BitBlt
SelectObject
CreateCompatibleBitmap
RoundRect
CreateCompatibleDC

shell32

SHGetPathFromIDListW
ord165
SHGetFolderPathW
ShellExecuteW
ShellExecuteExW
SHBrowseForFolderW
SHGetMalloc
SHGetSpecialFolderLocation

ole32

CLSIDFromProgID
OleLockRunning
CoUninitialize
CreateStreamOnHGlobal
CoCreateInstance
CoTaskMemFree
CLSIDFromString
CoInitialize

shlwapi

StrStrIA
PathFileExistsW
PathIsRootW

wininet

HttpSendRequestExW
HttpQueryInfoW
InternetReadFile
HttpSendRequestW
HttpEndRequestW
InternetCloseHandle
InternetOpenW
InternetConnectW
HttpOpenRequestW

psapi

EnumProcessModules
GetModuleFileNameExW

iphlpapi

GetAdaptersInfo

comctl32

ord17
_TrackMouseEvent

imm32

ImmSetCompositionFontW
ImmReleaseContext
ImmGetContext
ImmGetVirtualKey
ImmSetCompositionWindow

oleaut32

VariantClear
VariantInit
SysFreeString
SysAllocString

gdiplus

GdipDeleteFontFamily
GdipGetPropertyItem
GdipGetPropertyItemSize
GdipImageSelectActiveFrame
GdipAlloc
GdipFree
GdiplusStartup
GdiplusShutdown
GdipCloneBrush
GdipDeleteBrush
GdipCreateLineBrushI
GdipCloneImage
GdipDisposeImage
GdipGetImageGraphicsContext
GdipCreateBitmapFromScan0
GdipCreateFromHDC
GdipDeleteGraphics
GdipSetCompositingQuality
GdipSetSmoothingMode
GdipSetPixelOffsetMode
GdipSetTextRenderingHint
GdipSetInterpolationMode
GdipGraphicsClear
GdipDrawImage
GdipDrawImageRectI
GdipImageGetFrameCount
GdipCreateFontFromDC
GdipCreateFontFromLogfontA
GdipDeleteFont
GdipGetFamily
GdipDrawString
GdipCreateStringFormat
GdipDeleteStringFormat
GdipSetStringFormatAlign
GdipSetStringFormatLineAlign
GdipLoadImageFromStream
GdipGetImageWidth
GdipGetImageHeight
GdipImageGetFrameDimensionsCount
GdipImageGetFrameDimensionsList

Sections

.text
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 280KB - Virtual size: 280KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 61KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4.8MB - Virtual size: 4.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 61KB - Virtual size: 61KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

43a01e9edfe7a53d6e88d675117126c6

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

ws2_32

crypt32

wldap32

normaliz

kernel32

user32

gdi32

shell32

ole32

shlwapi

wininet

psapi

iphlpapi

comctl32

imm32

oleaut32

gdiplus

Sections

.text Size: 1.1MB - Virtual size: 1.1MB

.rdata Size: 280KB - Virtual size: 280KB

.data Size: 24KB - Virtual size: 61KB

.rsrc Size: 4.8MB - Virtual size: 4.8MB

.reloc Size: 61KB - Virtual size: 61KB

.text
Size: 1.1MB - Virtual size: 1.1MB

.rdata
Size: 280KB - Virtual size: 280KB

.data
Size: 24KB - Virtual size: 61KB

.rsrc
Size: 4.8MB - Virtual size: 4.8MB

.reloc
Size: 61KB - Virtual size: 61KB