2024-04-05_bb3cef2577d61f6db132ea9127687653_ryuk

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General

Target

2024-04-05_bb3cef2577d61f6db132ea9127687653_ryuk
Size

6.0MB
MD5

bb3cef2577d61f6db132ea9127687653
SHA1

23744c6489204c1c12a7db9f11736826df8612fc
SHA256

82c05e788b690d480d56cf4f093a7739d668934acdba574191a6ecc88e843bb5
SHA512

700cdf03182d0e86ac7daacda067e7603d0e7fe0d3bff112efb4eb8c968eac2af9033bf4b03e6d05ec92f955a2bc626ab43b52d1125c6ada11beb229a65470a2
SSDEEP

49152:xr3uXF+Kb8t3A+Gha2ImSJLuHHuFJajTpYEfSozlqBDMj74oNDdTxfZP:xr3uXFq0haJtin9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-05_bb3cef2577d61f6db132ea9127687653_ryuk

Files

2024-04-05_bb3cef2577d61f6db132ea9127687653_ryuk
.exe windows:6 windows x64 arch:x64

9acdb9381f1be336dc0db9df7bfd7639

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
CloseHandle
TryEnterCriticalSection
ConvertThreadToFiber
CreateFiber
DeleteFiber
SwitchToFiber
CreateThread
FindFirstFileA
FindNextFileA
WaitForSingleObject
GetCurrentThread
CreateFileMappingA
MapViewOfFile
UnmapViewOfFile
ExitProcess
VirtualAlloc
ExitThread
DeleteCriticalSection
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
HeapAlloc
GetLastError
HeapFree
GetModuleHandleW
GetProcAddress
SetLastError
InitializeCriticalSectionAndSpinCount
TlsGetValue
TlsSetValue
FreeLibrary
LoadLibraryExW
LCMapStringW
MultiByteToWideChar
WideCharToMultiByte
GetACP
GetStringTypeW
RaiseException
FlushFileBuffers
WriteFile
GetConsoleCP
GetConsoleMode
SetStdHandle
GetCPInfo
IsValidCodePage
GetOEMCP
GetModuleHandleExW
SetFilePointerEx
WriteConsoleW
ReadFile
ReadConsoleW
CreateFileW
RtlUnwindEx

shlwapi

PathAddBackslashW
PathAddExtensionA

Sections

.text
Size: 73KB - Virtual size: 72KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3.9MB - Virtual size: 3.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9acdb9381f1be336dc0db9df7bfd7639

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

shlwapi

Sections

.text Size: 73KB - Virtual size: 72KB

.rdata Size: 2.1MB - Virtual size: 2.1MB

.data Size: 3.9MB - Virtual size: 3.9MB

.pdata Size: 3KB - Virtual size: 2KB

.gfids Size: 512B - Virtual size: 32B

.rsrc Size: 512B - Virtual size: 16B

.reloc Size: 1KB - Virtual size: 1KB

.text
Size: 73KB - Virtual size: 72KB

.rdata
Size: 2.1MB - Virtual size: 2.1MB

.data
Size: 3.9MB - Virtual size: 3.9MB

.pdata
Size: 3KB - Virtual size: 2KB

.gfids
Size: 512B - Virtual size: 32B

.rsrc
Size: 512B - Virtual size: 16B

.reloc
Size: 1KB - Virtual size: 1KB