2025-02-18_e1ac03fec670094e9413e15967608627_ryuk

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General

Target

2025-02-18_e1ac03fec670094e9413e15967608627_ryuk
Size

1.6MB
MD5

e1ac03fec670094e9413e15967608627
SHA1

758e8a8beced6d8b2d77c01379590ab710e4b544
SHA256

f7ef9996df3719dd75f73fc4e71acba81830f4c68fa2af727f3298126630559a
SHA512

6f9a31a5d9cc7d6e17c1bf35aebd7f4feb4ea34c44b53739500e747400e46a2a96ac9dec5e24adcdce31f59a76f66025ede9b0e1d51da18527e6367e723ccd35
SSDEEP

12288:dxR8vCv+ERJuGf0Dkutc0r+MLzHNnfgnFxbbyVPJGWqvll2yJ2btlLKX5CX:PRVTnrKhxr+EHNmT8oW4ll1JCrLKXI

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2025-02-18_e1ac03fec670094e9413e15967608627_ryuk

Files

2025-02-18_e1ac03fec670094e9413e15967608627_ryuk
.exe windows:6 windows x64 arch:x64

9b3446324bee81c7afeccfb50f856726

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

f:\jnks\workspace\ScanMasterProduction_Build_k34\Scan_MasterDriver\SxS\src\x64\Release\Mailclient.pdb

Imports

kernel32

MultiByteToWideChar
WideCharToMultiByte
RaiseException
GetLastError
InitializeCriticalSectionEx
DeleteCriticalSection
LoadResource
LockResource
SizeofResource
FindResourceW
FindResourceExW
GetProcAddress
LoadLibraryW
FreeLibrary
HeapDestroy
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
GetProcessHeap
WriteConsoleW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
IsDebuggerPresent
OutputDebugStringW
EnterCriticalSection
LeaveCriticalSection
CloseHandle
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
EncodePointer
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
SetLastError
ExitProcess
GetModuleHandleExW
GetModuleFileNameA
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetACP
CompareStringW
LCMapStringW
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
GetFileType
SetStdHandle
GetStringTypeW
FlushFileBuffers
CreateFileW

user32

GetActiveWindow
SetForegroundWindow

Sections

.text
Size: 60KB - Virtual size: 60KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 39KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 228B

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: 109KB - Virtual size: 108KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.4MB - Virtual size: 1.4MB

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

9b3446324bee81c7afeccfb50f856726

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

Sections

.text Size: 60KB - Virtual size: 60KB

.rdata Size: 39KB - Virtual size: 39KB

.data Size: 3KB - Virtual size: 7KB

.pdata Size: 4KB - Virtual size: 4KB

.gfids Size: 512B - Virtual size: 228B

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

.rsrc Size: 109KB - Virtual size: 108KB

.reloc Size: 1.4MB - Virtual size: 1.4MB

.text
Size: 60KB - Virtual size: 60KB

.rdata
Size: 39KB - Virtual size: 39KB

.data
Size: 3KB - Virtual size: 7KB

.pdata
Size: 4KB - Virtual size: 4KB

.gfids
Size: 512B - Virtual size: 228B

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

.rsrc
Size: 109KB - Virtual size: 108KB

.reloc
Size: 1.4MB - Virtual size: 1.4MB