2024-03-02_c0af6d880a8c70a5839c5e639c2124e3_cryptolocker

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General

Target

2024-03-02_c0af6d880a8c70a5839c5e639c2124e3_cryptolocker
Size

384KB
MD5

c0af6d880a8c70a5839c5e639c2124e3
SHA1

5366c18cd68bbd7cc43247bffb8bdb91fb754601
SHA256

111a4a84fa7fac9d7fa7d86738e6a6605dd593d276335520edb59569c0c9e1e6
SHA512

2e406a6f55786d00e79aa53181b738c96a482dbe40704fc7ad7ae6ab5f7de217b8203b4f9c7a3ebfd1b2496b8f0d39476d347592a1e97d2330953a5b151e296d
SSDEEP

6144:xWmw0EuCN0pLWgTO3x5N22vWvLRKKAX5l++SybIvChtj8:xWkEuCaNT85I2vCMX5l+ZRvctj8

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-02_c0af6d880a8c70a5839c5e639c2124e3_cryptolocker

Files

2024-03-02_c0af6d880a8c70a5839c5e639c2124e3_cryptolocker
.exe windows:5 windows x86 arch:x86

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

gzoVJIKm
Size: 1024B - Virtual size: 696B

kskodkMJ
Size: 512B - Virtual size: 83B

kILlmPkI
Size: 10KB - Virtual size: 9KB

AtvkFEby
Size: 13KB - Virtual size: 12KB

uHgmdJEI
Size: 22KB - Virtual size: 21KB

Sharing

General

Malware Config

Signatures

Files

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

gzoVJIKm Size: 1024B - Virtual size: 696B

kskodkMJ Size: 512B - Virtual size: 83B

kILlmPkI Size: 10KB - Virtual size: 9KB

AtvkFEby Size: 13KB - Virtual size: 12KB

uHgmdJEI Size: 22KB - Virtual size: 21KB

.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

gzoVJIKm
Size: 1024B - Virtual size: 696B

kskodkMJ
Size: 512B - Virtual size: 83B

kILlmPkI
Size: 10KB - Virtual size: 9KB

AtvkFEby
Size: 13KB - Virtual size: 12KB

uHgmdJEI
Size: 22KB - Virtual size: 21KB