2024-01-27_4b896e00c4e8c5d172b97cd59823c775_ryuk

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General

Target

2024-01-27_4b896e00c4e8c5d172b97cd59823c775_ryuk
Size

20.2MB
MD5

4b896e00c4e8c5d172b97cd59823c775
SHA1

48c9ca00f10ea42316a86a2d6023094489d4f750
SHA256

c81b6a9751db41420fad39762bceefd3a6bdc5fc67b0dd6481438b38587cf0af
SHA512

b74752190179c2fac2a25e381a15fb5e9e688dbafc6b296fc25241ae7e584b9064e7f6f27047b87154e14bba0d089f0cb36e0c3816b1163298353c4e00c18883
SSDEEP

393216:tbrax9qmRtIa5xao8ACuQwHBZ0+y+I+gmbSuFp55IETh0qXLU3rHC:U4a3CxcZ0+yublfTKqXL2e

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-27_4b896e00c4e8c5d172b97cd59823c775_ryuk

Files

2024-01-27_4b896e00c4e8c5d172b97cd59823c775_ryuk
.exe windows:6 windows x64 arch:x64

fbaa43e0802a7b3825c4b3d80b397682

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

C:\projects\installer_take2\installer64\x64\Release\installer64.pdb

Imports

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

kernel32

HeapReAlloc
HeapSize
GetModuleHandleA
GetProcAddress
GetCurrentProcess
GetSystemInfo
GetVersionExA
FindFirstFileA
FindNextFileA
FindClose
Sleep
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
GetLastError
GetModuleFileNameW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
ExitProcess
GetModuleHandleExW
CreateFileW
GetFileType
CloseHandle
GetDriveTypeW
GetFullPathNameW
GetFullPathNameA
MultiByteToWideChar
WideCharToMultiByte
ReadFile
GetConsoleMode
ReadConsoleW
WriteFile
GetConsoleCP
SetFilePointerEx
SetEnvironmentVariableA
SetEnvironmentVariableW
SetCurrentDirectoryA
GetCurrentDirectoryA
GetCurrentDirectoryW
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetStdHandle
GetModuleFileNameA
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
GetStringTypeW
CompareStringW
LCMapStringW
SetStdHandle
SetEndOfFile
GetTimeZoneInformation
WriteConsoleW
DeleteFileW
RemoveDirectoryW
WaitForSingleObject
GetExitCodeProcess
CreateProcessA
GetFileAttributesExW
FindFirstFileExA
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
FlushFileBuffers

advapi32

SystemFunction036

Sections

.text
Size: 107KB - Virtual size: 106KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 46KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 200B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 648B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fbaa43e0802a7b3825c4b3d80b397682

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

version

kernel32

advapi32

Sections

.text Size: 107KB - Virtual size: 106KB

.rdata Size: 46KB - Virtual size: 46KB

.data Size: 3KB - Virtual size: 16KB

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

.gfids Size: 512B - Virtual size: 200B

.rsrc Size: 1024B - Virtual size: 648B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 107KB - Virtual size: 106KB

.rdata
Size: 46KB - Virtual size: 46KB

.data
Size: 3KB - Virtual size: 16KB

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

.gfids
Size: 512B - Virtual size: 200B

.rsrc
Size: 1024B - Virtual size: 648B

.reloc
Size: 2KB - Virtual size: 1KB