Ransomware[.]CryptoLocker[.]zip

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General

Target

Ransomware.CryptoLocker.zip
Size

279KB
MD5

6e15a34aa02c1299cd12253de377e0eb
SHA1

dcebc477a7cc5c6f77d5cce4925806375b0114f0
SHA256

c79945126775a6167e1b3ec32231d7bed8f3a0288c1f11cac4066bd9fbbb1bdd
SHA512

da1a7e8a5e9719ee6a9152c8e044b9f6bacc095935ab2adfb7dae2807b31c1062a1de9a13ab6eef45eae6c266e69f1aedd984cf9c5795d4d412218a1e0e3c70e
SSDEEP

6144:tUvYPlKwnC17bMPiTlvYhRjU/k6dTBPMcjP/M70ynYi6GO:tUvrEklQhRg/xYWP/MwAvHO

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Ransomware.CryptoLocker.exe

Files

Ransomware.CryptoLocker.zip
.zip

Password: infected
Ransomware.CryptoLocker.exe
.exe windows:5 windows x86

Password: infected

7e8ad4139efc6cbcf31df3bc4b291dd8

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

Imports

msvcrt

_except_handler3
memcpy
memmove
_vsnprintf
_vsnwprintf
_purecall
memset

kernel32

LoadLibraryW
FreeLibrary
GetProcAddress
WideCharToMultiByte
MultiByteToWideChar
lstrcmpA
GlobalLock
GlobalAlloc
GlobalUnlock
GlobalFree
CreateMutexW
ReleaseMutex
FindResourceExW
LoadResource
SizeofResource
LockResource
CreateProcessW
SetFilePointerEx
FindNextFileW
SystemTimeToFileTime
FileTimeToSystemTime
FileTimeToLocalFileTime
GetSystemTime
GetDateFormatW
GetTimeFormatW
GetCurrentThreadId
HeapReAlloc
HeapAlloc
HeapFree
GetProcessHeap
GetEnvironmentVariableW
CopyFileExW
GetUserDefaultUILanguage
DeleteCriticalSection
FindClose
FindFirstFileW
DeleteFileW
GetFileTime
SetLastError
GetFileSizeEx
FlushFileBuffers
ReadFile
WriteFile
SetFileTime
ResumeThread
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
QueryPerformanceCounter
SetFileAttributesW
CreateFileW
GetFileAttributesW
Sleep
GetTickCount
MoveFileExW
ExpandEnvironmentStringsW
GetVolumeInformationW
GetDiskFreeSpaceExW
WaitForMultipleObjects
ResetEvent
GetTempPathW
GetLogicalDrives
GetDriveTypeW
LocalFree
CloseHandle
CreateEventW
GetLastError
GetHandleInformation
SetThreadPriority
GetModuleFileNameW
GetCurrentThread
GetModuleHandleW
SetEvent
GetComputerNameW
WaitForSingleObject
SetErrorMode
GetCommandLineW
ExitProcess
CreateThread

user32

MessageBoxIndirectW
InSendMessage
ClientToScreen
GetWindowLongW
GetClassNameW
GetCaretPos
TrackPopupMenu
AppendMenuW
GetCursorPos
CreatePopupMenu
SetMenuDefaultItem
DestroyMenu
LoadIconW
CloseClipboard
EmptyClipboard
OpenClipboard
SetClipboardData
SystemParametersInfoW
ScrollWindowEx
GetSystemMetrics
UpdateWindow
SetScrollInfo
MessageBoxW
EndPaint
ScreenToClient
GetWindowRect
DrawTextW
GetParent
GetClientRect
IsDialogMessageW
DestroyWindow
BeginPaint
DrawFocusRect
IntersectRect
GetDlgItem
SendMessageW
GetDlgCtrlID
SetWindowTextW
MoveWindow
GetDC
ReleaseDC
CharLowerW
PostQuitMessage
MsgWaitForMultipleObjects
TranslateMessage
PeekMessageW
DispatchMessageW
SetTimer
PostMessageW
SetFocus
RegisterClassExW
FlashWindowEx
InvalidateRect
GetWindowTextW
MonitorFromWindow
SetWindowPos
ShowWindow
GetForegroundWindow
AdjustWindowRectEx
IsWindowVisible
GetMonitorInfoW
DefWindowProcW
DialogBoxParamW
SetWindowLongW
EndDialog
CreateDialogParamW
MonitorFromPoint
UnregisterClassW
SetForegroundWindow
GetKeyState
ReplyMessage
GetScrollInfo
CreateWindowExW

advapi32

CryptAcquireContextW
RegSetValueExW
RegEnumKeyExW
RegFlushKey
CryptSetKeyParam
CryptGetKeyParam
CryptReleaseContext
CryptImportKey
CryptEncrypt
CryptGenKey
CryptDestroyKey
CryptDecrypt
CryptGetHashParam
CryptCreateHash
CryptDestroyHash
CryptHashData
RegCreateKeyExW
RegCloseKey
CryptExportKey
RegQueryValueExW
RegQueryInfoKeyW
RegDeleteKeyW
RegDeleteValueW
RegEnumValueW
RegOpenKeyExW

shell32

SHGetFileInfoW
SHGetFolderPathW
ShellExecuteExW
CommandLineToArgvW

uxtheme

SetWindowTheme

gdi32

GetDeviceCaps
CreateSolidBrush
GetObjectW
CreateCompatibleDC
SelectObject
DeleteObject
SetBkMode
SetBkColor
DeleteDC
SetTextColor
GetObjectA
CreateFontIndirectW

comctl32

InitCommonControlsEx
ord413
ord410

shlwapi

StrCmpW
StrCmpNW
StrCmpIW
PathMatchSpecW
PathRemoveBackslashW
PathAddBackslashW
ord12
PathFindFileNameW
PathRemoveFileSpecW
PathUnquoteSpacesW
StrChrW
PathQuoteSpacesW

msimg32

AlphaBlend

winhttp

WinHttpConnect
WinHttpCloseHandle
WinHttpQueryHeaders
WinHttpWriteData
WinHttpOpenRequest
WinHttpReadData
WinHttpAddRequestHeaders
WinHttpSendRequest
WinHttpReceiveResponse
WinHttpOpen

gdiplus

GdipAlloc
GdipDisposeImage
GdipCreateHBITMAPFromBitmap
GdipCloneImage
GdiplusStartup
GdipDeleteBrush
GdipCreateBitmapFromStream
GdipCreateFontFromLogfontA
GdipSetStringFormatLineAlign
GdipDeleteFont
GdipDeleteGraphics
GdipDrawImageRectI
GdipSetStringFormatAlign
GdipCreateSolidFill
GdipDrawString
GdipCreateFromHDC
GdipSetStringFormatHotkeyPrefix
GdipCreateStringFormat
GdipDeleteStringFormat
GdipCreateFontFromDC
GdipGetImageHeight
GdipGetImageWidth
GdiplusShutdown
GdipFree
GdipCloneBrush

ole32

CoInitializeEx
CoUninitialize
CoTaskMemFree
StringFromGUID2

crypt32

CryptImportPublicKeyInfo
CryptStringToBinaryA
CryptDecodeObjectEx

Sections

.text
Size: 63KB - Virtual size: 62KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 248KB - Virtual size: 247KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: infected

Password: infected

7e8ad4139efc6cbcf31df3bc4b291dd8

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

kernel32

user32

advapi32

shell32

uxtheme

gdi32

comctl32

shlwapi

msimg32

winhttp

gdiplus

ole32

crypt32

Sections

.text Size: 63KB - Virtual size: 62KB

.rdata Size: 17KB - Virtual size: 17KB

.data Size: 512B - Virtual size: 3KB

.rsrc Size: 248KB - Virtual size: 247KB

.reloc Size: 8KB - Virtual size: 7KB

.text
Size: 63KB - Virtual size: 62KB

.rdata
Size: 17KB - Virtual size: 17KB

.data
Size: 512B - Virtual size: 3KB

.rsrc
Size: 248KB - Virtual size: 247KB

.reloc
Size: 8KB - Virtual size: 7KB