2024-02-22_2d493a7f070ded1f8ed2ff8e2476ddf8_ryuk

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General

Target

2024-02-22_2d493a7f070ded1f8ed2ff8e2476ddf8_ryuk
Size

367KB
MD5

2d493a7f070ded1f8ed2ff8e2476ddf8
SHA1

8ab9b876c745d2f1d99dd5e70b895563b6d15de6
SHA256

1f9663b880ef38a3f1cfc91ae69885d273766d7de785654ebb441f14d94b7e10
SHA512

019cb16acbf14001b44b17950330870a234cf1d83c0823c596c2c70a6e82e90c7780266371063822b266eee2a0e53ba5e8cc852ba5c08f4584b2ee4e3e3c40cb
SSDEEP

6144:6i0f0XkjIj6POp4ePTG4kB6C9+is6rMoSkO5FYHa+D8DOXy321:AfRGN4ePqvBYiSL5FYHa+8DOX

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-22_2d493a7f070ded1f8ed2ff8e2476ddf8_ryuk

Files

2024-02-22_2d493a7f070ded1f8ed2ff8e2476ddf8_ryuk
.exe windows:6 windows x64 arch:x64

86d78c25823107c506b4f8b54959e663

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

CreateFileA
CloseHandle
GetLastError
HeapCreate
ConvertThreadToFiber
CreateThread
SuspendThread
ResumeThread
OpenThread
GetModuleFileNameA
GetTempPathA
ReadFile
SetFilePointer
GetCurrentThread
WaitNamedPipeA
CallNamedPipeA
ExitProcess
VirtualAlloc
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
WriteConsoleW
HeapFree
GetModuleHandleW
GetProcAddress
HeapAlloc
MultiByteToWideChar
WideCharToMultiByte
SetLastError
GetACP
InitializeCriticalSectionAndSpinCount
TlsGetValue
TlsSetValue
FreeLibrary
LoadLibraryExW
LCMapStringW
GetStringTypeW
CreateFileW
GetCPInfo
IsValidCodePage
GetOEMCP
SetStdHandle
FlushFileBuffers
WriteFile
GetConsoleCP
GetConsoleMode
RaiseException
GetModuleHandleExW
SetFilePointerEx
ReadConsoleW
HeapSize
HeapReAlloc
CreateEventW
RtlUnwindEx

Sections

.text
Size: 86KB - Virtual size: 85KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 165KB - Virtual size: 165KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 96KB - Virtual size: 100KB

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

.gfids
Size: 512B - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 13KB - Virtual size: 12KB

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

86d78c25823107c506b4f8b54959e663

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 86KB - Virtual size: 85KB

.rdata Size: 165KB - Virtual size: 165KB

.data Size: 96KB - Virtual size: 100KB

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

.gfids Size: 512B - Virtual size: 40B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 13KB - Virtual size: 12KB

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

.text
Size: 86KB - Virtual size: 85KB

.rdata
Size: 165KB - Virtual size: 165KB

.data
Size: 96KB - Virtual size: 100KB

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

.gfids
Size: 512B - Virtual size: 40B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 13KB - Virtual size: 12KB

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