2024-02-19_7a3ad236f487fbbcf94a86f75d111dee_ryuk

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General

Target

2024-02-19_7a3ad236f487fbbcf94a86f75d111dee_ryuk
Size

2.7MB
MD5

7a3ad236f487fbbcf94a86f75d111dee
SHA1

e1eedb2faa044576386cc167e214ec502ad3fe1d
SHA256

df2a317c364dd5421d305a52d74eba7b2675a3913759f522b3b2f5a5f9816331
SHA512

91a6b699925114799c7be0caf1506e2a3a04e207db9f6394676a5141c6afe2710ad3b3392985cab1a7e88f723a51fc6fe1a8f27a4812b0067cbb80e541735f5e
SSDEEP

24576:+09ndSb20MbZzI171UxhJ4ixL+nHARacteZNqxg:+0bTRZzIHUOn4ame

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-19_7a3ad236f487fbbcf94a86f75d111dee_ryuk

Files

2024-02-19_7a3ad236f487fbbcf94a86f75d111dee_ryuk
.exe windows:5 windows x64 arch:x64

e60502ad070ffb89ae202283a210dc87

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

PDB Paths

E:\depot_tools\webrtc-checkout\src\out\Dx64\nasm.exe.pdb

Imports

kernel32

CloseHandle
CompareStringW
CreateFileW
DeleteCriticalSection
DeleteFileW
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetFileAttributesExW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTempPathW
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
InterlockedFlushSList
InterlockedPushEntrySList
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
OutputDebugStringW
PeekNamedPipe
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetCurrentDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 790KB - Virtual size: 790KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 55KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

memcpy_
Size: 512B - Virtual size: 264B

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 66KB - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e60502ad070ffb89ae202283a210dc87

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

Sections

.text Size: 790KB - Virtual size: 790KB

.rdata Size: 1.8MB - Virtual size: 1.8MB

.data Size: 4KB - Virtual size: 19KB

.pdata Size: 30KB - Virtual size: 30KB

.00cfg Size: 512B - Virtual size: 56B

.gxfg Size: 55KB - Virtual size: 54KB

.retplne Size: 512B - Virtual size: 140B

_RDATA Size: 512B - Virtual size: 500B

memcpy_ Size: 512B - Virtual size: 264B

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

.reloc Size: 66KB - Virtual size: 65KB

.text
Size: 790KB - Virtual size: 790KB

.rdata
Size: 1.8MB - Virtual size: 1.8MB

.data
Size: 4KB - Virtual size: 19KB

.pdata
Size: 30KB - Virtual size: 30KB

.00cfg
Size: 512B - Virtual size: 56B

.gxfg
Size: 55KB - Virtual size: 54KB

.retplne
Size: 512B - Virtual size: 140B

_RDATA
Size: 512B - Virtual size: 500B

memcpy_
Size: 512B - Virtual size: 264B

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

.reloc
Size: 66KB - Virtual size: 65KB