2024-04-17_2f3d1d45c8a8cddc6e5022dd10839261_ryuk

Sharing

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General

Target

2024-04-17_2f3d1d45c8a8cddc6e5022dd10839261_ryuk
Size

1.3MB
MD5

2f3d1d45c8a8cddc6e5022dd10839261
SHA1

0752e4131328eeb08c36a36564c7933cebb0fb7d
SHA256

e23c1cdf44b4fde54cd2f242f0a763b1851e37331bf8c2e5915b140f724b1822
SHA512

6155397a444091dd1e981e64103aee986a687b2feb13acfd91d194840894b2a0460db9f7432dc3f33dce3ab254e11c754638cbb7175fe75fd0a5b82ea2e523a9
SSDEEP

12288:1H3Ahz2eUMAdB8qr0zw9iXQ40AOzDr5YJjsF/5v3ZkHRik8z:NOVatr0zAiX90z/F0jsFB3SQk4

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-17_2f3d1d45c8a8cddc6e5022dd10839261_ryuk

Files

2024-04-17_2f3d1d45c8a8cddc6e5022dd10839261_ryuk
.exe windows:5 windows x64 arch:x64

fa899634f7968b4c97dfe7532b9c31d4

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

installer_helper.exe.pdb

Imports

shell32

SHBindToParent
SHParseDisplayName

user32

CreatePopupMenu
CreateWindowExW
DefWindowProcW
DestroyMenu
DestroyWindow
DispatchMessageW
GetMenuItemCount
GetMenuItemInfoW
GetMessageW
LoadCursorW
LoadStringW
PostMessageW
PostQuitMessage
RegisterClassW
SetTimer
TranslateMessage

kernel32

CloseHandle
CreateFileW
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WideCharToMultiByte
WriteConsoleW
WriteFile

ole32

CoInitialize
CoTaskMemFree
CoUninitialize

Sections

.text
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 36KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 920B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.2MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

fa899634f7968b4c97dfe7532b9c31d4

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

shell32

user32

kernel32

ole32

Sections

.text Size: 44KB - Virtual size: 43KB

.rdata Size: 36KB - Virtual size: 35KB

.data Size: 2KB - Virtual size: 8KB

.pdata Size: 3KB - Virtual size: 3KB

.00cfg Size: 512B - Virtual size: 32B

.rsrc Size: 1024B - Virtual size: 920B

.reloc Size: 1.2MB - Virtual size: 1.8MB

.text
Size: 44KB - Virtual size: 43KB

.rdata
Size: 36KB - Virtual size: 35KB

.data
Size: 2KB - Virtual size: 8KB

.pdata
Size: 3KB - Virtual size: 3KB

.00cfg
Size: 512B - Virtual size: 32B

.rsrc
Size: 1024B - Virtual size: 920B

.reloc
Size: 1.2MB - Virtual size: 1.8MB