bf2f4fcea5fb9c76d1ca522cfe3de10477b38f8168d0dd7b5754a5a50b6933a5

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General

Target

bf2f4fcea5fb9c76d1ca522cfe3de10477b38f8168d0dd7b5754a5a50b6933a5
Size

2.1MB
MD5

c2f5ddb33a3260c117fde1d6563ed111
SHA1

0882433642c8a5c150800695e56c1024ae88a1a5
SHA256

bf2f4fcea5fb9c76d1ca522cfe3de10477b38f8168d0dd7b5754a5a50b6933a5
SHA512

40fcff2f8338922473bac42f5cc9320e2b4c16fbce2c7fe9beb605f4e919d4cf47882ae02416b738ec0b0e6ed7df90521b60fd3a9be70e98890d84824454d631

Score

9^/10

cryptone packer

Malware Config

Signatures

CryptOne packer 1 IoCs
Detects CryptOne packer defined in NCC blogpost.
cryptone packer

Processes:

resource yara_rule

sample cryptone

resource	yara_rule
sample	cryptone

Files

bf2f4fcea5fb9c76d1ca522cfe3de10477b38f8168d0dd7b5754a5a50b6933a5
.dll windows x86

9067c3aa80bafa1ecca4ae1963d6d63e

Code Sign

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

VirtualAllocEx
GetLastError
SetErrorMode
GetModuleHandleW
InitializeCriticalSection
DeleteCriticalSection
WriteFile
FlushFileBuffers
DeleteFileW
GetFileSizeEx
GetFullPathNameW
OutputDebugStringA
FileTimeToSystemTime
MultiByteToWideChar
GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
GetFileAttributesW
FindNextFileW
ExpandEnvironmentStringsW
SetFilePointerEx
GetDiskFreeSpaceExW
FindClose
GetWindowsDirectoryW
FindFirstVolumeW
QueryDosDeviceW
FindNextVolumeW
GetVolumePathNamesForVolumeNameW
FindVolumeClose
GlobalMemoryStatusEx
GetSystemTimes
QueryPerformanceCounter
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
ReadFile
GetProcAddress
LocalFree
GetCurrentProcess
GetProcessHeap
HeapAlloc
HeapFree
GetLongPathNameW
LeaveCriticalSection
EnterCriticalSection
SetLastError
HeapSize
GetFileTime
CloseHandle
WaitForSingleObjectEx
SetEvent
CreateEventA
CreateFileW
OpenProcess
WideCharToMultiByte
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
WriteConsoleW
ReadConsoleW
FindFirstFileExW
FormatMessageW
EncodePointer
DecodePointer
RaiseException
GetStringTypeW
QueryPerformanceFrequency
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
FormatMessageA
GetSystemInfo
VirtualProtect
VirtualQuery
FreeLibrary
LoadLibraryExA
InitializeSListHead
RtlCaptureContext
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InterlockedPushEntrySList
LoadLibraryExW
HeapReAlloc
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
GetStdHandle
GetCommandLineA
GetCommandLineW
GetACP
GetFileType
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetConsoleCP
GetConsoleMode
SetThreadAffinityMask
ScrollConsoleScreenBufferW
BuildCommDCBW
TryEnterCriticalSection
FillConsoleOutputAttribute
ReadDirectoryChangesW
SetConsoleOutputCP
GetEnvironmentVariableA
WriteProfileSectionA
SetHandleCount
ReleaseSemaphore
CreateProcessA
IsSystemResumeAutomatic
LocalHandle
SetProcessAffinityMask
LoadLibraryW
LoadLibraryA
LocalAlloc
GetTickCount
GetModuleHandleA
RtlUnwind
GetStartupInfoA
InterlockedCompareExchange
Sleep
InterlockedExchange

user32

CountClipboardFormats
GetListBoxInfo
GetCapture
ShowCaret
PaintDesktop
GetDesktopWindow
IsCharAlphaNumericW
GetShellWindow
CreatePopupMenu
IsCharAlphaW
GetDoubleClickTime
IsCharUpperW
GetForegroundWindow
CharUpperW
OemKeyScan
GetCaretBlinkTime
GetMenuContextHelpId
IsCharLowerA
VkKeyScanW
IsClipboardFormatAvailable
LoadIconA
GetOpenClipboardWindow
GetLastActivePopup
GetClassInfoExW
RegisterClassExW
GetPropW
EnumDisplayDevicesW
IsDlgButtonChecked
SendMessageTimeoutA
EnumDesktopsW
SetWindowTextA
LookupIconIdFromDirectory
SetWindowsHookExA
GetSysColor
EnumDesktopWindows
ChangeDisplaySettingsExA
CreateIconFromResourceEx

gdi32

GetStockObject
GetEnhMetaFileW
GetEnhMetaFileBits
BeginPath
DeleteDC
GetLayout
CreateMetaFileW
EndPage
CloseEnhMetaFile
CreateSolidBrush
SaveDC
GetStretchBltMode
GetTextCharset
GetBoundsRect
GdiIsMetaPrintDC
GdiEntry12

advapi32

RegOpenKeyA
CryptReleaseContext
CryptGenRandom
CryptAcquireContextW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey

shell32

SHPathPrepareForWriteA
ShellHookProc
SHGetSpecialFolderPathW
ExtractIconA
SHCreateProcessAsUserW
SHGetSettings
SHGetSpecialFolderLocation
SHQueryRecycleBinW
ExtractAssociatedIconExW
SHGetSpecialFolderPathA

ole32

CoInitializeEx
CoUninitialize

shlwapi

PathFindFileNameW
StrStrW
StrRChrW

Sections

.text
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text4
Size: 512B - Virtual size: 300B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text3
Size: 512B - Virtual size: 300B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text2
Size: 512B - Virtual size: 300B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 573B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2.0MB - Virtual size: 2.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 848B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9067c3aa80bafa1ecca4ae1963d6d63e

Code Sign

Headers

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

shell32

ole32

shlwapi

Sections

.text Size: 4KB - Virtual size: 4KB

.text4 Size: 512B - Virtual size: 300B

.text3 Size: 512B - Virtual size: 300B

.text2 Size: 512B - Virtual size: 300B

.rdata Size: 1024B - Virtual size: 573B

.data Size: 2.0MB - Virtual size: 2.0MB

.rsrc Size: 64KB - Virtual size: 64KB

.reloc Size: 1024B - Virtual size: 848B

.text
Size: 4KB - Virtual size: 4KB

.text4
Size: 512B - Virtual size: 300B

.text3
Size: 512B - Virtual size: 300B

.text2
Size: 512B - Virtual size: 300B

.rdata
Size: 1024B - Virtual size: 573B

.data
Size: 2.0MB - Virtual size: 2.0MB

.rsrc
Size: 64KB - Virtual size: 64KB

.reloc
Size: 1024B - Virtual size: 848B