3b881fd82cd4c4cd2814471e1cc6e72687ac7e9972b24602751031e562be3dd2

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General

Target

3b881fd82cd4c4cd2814471e1cc6e72687ac7e9972b24602751031e562be3dd2
Size

1.2MB
MD5

0fbfcb9ce1efe0ec068e13830873fb54
SHA1

e7f7daa36010c372e2de9b76f197c7653a947a1c
SHA256

3b881fd82cd4c4cd2814471e1cc6e72687ac7e9972b24602751031e562be3dd2
SHA512

cee5c1111e507f37247fb48dcba8d815266de48261c52fef3601659621f8d9c44512c442911db830a130b39ce4a4b0987872536307a730c13359d59c9f9f24a6
SSDEEP

3072:RnW15JigWq7Y+jbkGenScL1FsrKY/gnl4PNN0Bi3434YFOmOXoHOZNxjRIp7WMHs:RKqqel7oe4nmOXouZq8XJa5Ga

Score

9^/10

cryptone packer

Malware Config

Signatures

CryptOne packer 1 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

resource	yara_rule
sample	cryptone

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
3b881fd82cd4c4cd2814471e1cc6e72687ac7e9972b24602751031e562be3dd2

Files

3b881fd82cd4c4cd2814471e1cc6e72687ac7e9972b24602751031e562be3dd2
.exe windows:4 windows x86 arch:x86

5f537876727802d761282f5d5da5bd80

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetModuleHandleA
VirtualAllocEx
GetLastError
WTSGetActiveConsoleSessionId
SetEvent
WaitForMultipleObjects
RaiseException
FlushFileBuffers
CreateFileA
WriteConsoleW
GetConsoleOutputCP
GetModuleFileNameW
SetStdHandle
GetConsoleMode
GetConsoleCP
SetFilePointer
InitializeCriticalSectionAndSpinCount
LoadLibraryA
RtlUnwind
HeapReAlloc
LocalFree
GetVersionExW
CreateEventW
LocalAlloc
GetModuleHandleW
GetTickCount
OpenMutexW
GetLongPathNameW
OpenProcess
Sleep
CreateWaitableTimerW
CreateMutexW
GetCurrentProcessId
ProcessIdToSessionId
SetWaitableTimer
CreateProcessW
CloseHandle
OpenEventW
GetLocalTime
FileTimeToSystemTime
CompareFileTime
LocalFileTimeToFileTime
SystemTimeToFileTime
WriteConsoleA
InitializeCriticalSection
VirtualAlloc
HeapAlloc
GetLocaleInfoA
GetStartupInfoW
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetCPInfo
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
IsValidCodePage
GetProcAddress
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
SetLastError
GetCurrentThreadId
HeapFree
HeapSize
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
SetHandleCount
GetFileType
GetStartupInfoA
DeleteCriticalSection
HeapCreate
VirtualFree
QueryPerformanceCounter
GetSystemTimeAsFileTime
LCMapStringA
WideCharToMultiByte
MultiByteToWideChar
LCMapStringW
GetStringTypeA
GetStringTypeW
LeaveCriticalSection
EnterCriticalSection

user32

AnyPopup
CharNextA
SetCursor
MessageBoxW
GetDC
ClientToScreen
SetWindowTextW
IsDialogMessageW
FindWindowW
SetForegroundWindow
AppendMenuW
LoadStringA
PostQuitMessage
SetMenuDefaultItem
RemoveMenu
CreatePopupMenu
GetSubMenu
PtInRect
IsMenu
SetWindowsHookExW
TranslateAcceleratorW
GetMenu
GetClassNameW
OffsetRect
CallNextHookEx
GetKeyState
CharLowerW
UnhookWindowsHookEx
InflateRect
SetMenu
GetWindowPlacement
EnableWindow
SystemParametersInfoW
SetRectEmpty
GetSystemMetrics
RegisterWindowMessageW
GetSysColorBrush
GetSysColor
ReleaseDC
GetWindowDC
GetMessagePos
WindowFromPoint
MessageBeep
FrameRect
ModifyMenuW
LoadBitmapW
GetDlgItem
GetWindowTextW
GetWindowTextLengthW
DialogBoxParamW
TrackPopupMenuEx
DrawEdge
MonitorFromPoint
DrawFrameControl
DrawTextW
GetFocus
CallWindowProcW
SetMenuItemInfoW
GetMenuItemInfoW
GetMenuItemID
GetMenuItemCount
FillRect
GetActiveWindow
GetWindowThreadProcessId
SetFocus
IsWindowEnabled
IsWindowVisible
InvalidateRect
ScreenToClient
SendMessageW
LoadStringW
LoadMenuW
LoadAcceleratorsW
DestroyMenu
CreateWindowExW
GetClassInfoExW
LoadCursorW
RegisterClassExW
DestroyWindow
CharNextW
PeekMessageW
GetMessageW
TranslateMessage
DispatchMessageW
DefWindowProcW
IsWindow
ShowWindow
UpdateWindow
SetWindowPlacement
PostMessageW
SetWindowLongW
wvsprintfW
LoadImageW
GetWindow
GetWindowRect
MonitorFromWindow
GetMonitorInfoW
GetClientRect
MapWindowPoints
SetWindowPos
GetParent
SetDlgItemTextW
SendDlgItemMessageW
GetWindowLongW
EndDialog
DestroyIcon
SetActiveWindow
UnregisterClassA

gdi32

GetStockObject
RealizePalette

advapi32

RegOpenKeyW
RegQueryValueExA
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegOpenKeyExW
RegSetValueExW
RegQueryInfoKeyW
RegEnumKeyExW
RegCloseKey
RegOpenKeyExA

shlwapi

PathFileExistsW
PathRemoveFileSpecW
SHGetValueW
PathAppendW
SHSetValueW

Sections

.text
Size: 593KB - Virtual size: 592KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 512B - Virtual size: 293B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.t4xt12
Size: 370KB - Virtual size: 369KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE

.t4xt11
Size: 195KB - Virtual size: 195KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 74KB - Virtual size: 74KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5f537876727802d761282f5d5da5bd80

Headers

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

shlwapi

Sections

.text Size: 593KB - Virtual size: 592KB

.rdata Size: 512B - Virtual size: 293B

.data Size: 6KB - Virtual size: 6KB

.t4xt12 Size: 370KB - Virtual size: 369KB

.t4xt11 Size: 195KB - Virtual size: 195KB

.rsrc Size: 74KB - Virtual size: 74KB

.text
Size: 593KB - Virtual size: 592KB

.rdata
Size: 512B - Virtual size: 293B

.data
Size: 6KB - Virtual size: 6KB

.t4xt12
Size: 370KB - Virtual size: 369KB

.t4xt11
Size: 195KB - Virtual size: 195KB

.rsrc
Size: 74KB - Virtual size: 74KB