2024-07-26_1348ffe4c12c3153050e9ebf91874a3c_ryuk

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General

Target

2024-07-26_1348ffe4c12c3153050e9ebf91874a3c_ryuk
Size

157KB
MD5

1348ffe4c12c3153050e9ebf91874a3c
SHA1

446b6d723b5a9851195f64f9da01fae0fea652d5
SHA256

16be5d3753c6a99e49122a1d9bfdcf15c4695a8bfa99fc917db23ced48343d2d
SHA512

ffe054c028c4087d87657c602c50757f13fa65a91883fe4d4797160d08e776f3a8ce23bbd61e75fde7ec6bfda47f77d2f153cf8373653755d5fe4faee0307c7f
SSDEEP

3072:j13xcggKyy9HGAgjX2NT+FWvER5wf4Tjsbx:5xcgZFGAo2NTJfAsb

Score

1^/10

Malware Config

Signatures

Files

2024-07-26_1348ffe4c12c3153050e9ebf91874a3c_ryuk
.exe windows:6 windows x64 arch:x64

53b6be47539a05db252a091ccbbf2be7

Code Sign

33:00:00:02:cd:f3:64:bf:f8:d4:4c:5d:51:00:00:00:00:02:cd
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

12/05/2022, 20:46

Not After

11/05/2023, 20:46

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

d8:f8:d1:3b:8d:a5:f1:69:0f:cf:89:bd:17:b1:ac:36:10:bc:89:1b:3e:34:54:37:dd:b1:38:87:84:07:fc:20
Signer

Actual PE Digest

d8:f8:d1:3b:8d:a5:f1:69:0f:cf:89:bd:17:b1:ac:36:10:bc:89:1b:3e:34:54:37:dd:b1:38:87:84:07:fc:20

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\a\_work\1\s\OSS_Microsoft_OpenSSH_Dev\bin\x64\Release\ssh-shellhost.pdb

Imports

kernel32

GetStartupInfoW
ReadFile
SetConsoleCtrlHandler
SetHandleInformation
EnterCriticalSection
GetCommandLineW
SetConsoleScreenBufferSize
GetStdHandle
WriteFile
TerminateProcess
GetConsoleCP
SetConsoleWindowInfo
LeaveCriticalSection
InitializeCriticalSection
GetConsoleScreenBufferInfoEx
WaitForSingleObject
CreateFileW
GetCurrentThreadId
GetSystemDirectoryW
Sleep
GetLastError
GetLargestConsoleWindowSize
AttachConsole
ReadConsoleOutputW
TerminateThread
CloseHandle
FreeConsole
LoadLibraryW
WriteConsoleInputW
GetProcAddress
DeleteCriticalSection
GetCurrentProcessId
CreateProcessW
WideCharToMultiByte
GenerateConsoleCtrlEvent
GetExitCodeProcess
MultiByteToWideChar
WriteConsoleW
HeapReAlloc
HeapSize
GetConsoleMode
FlushFileBuffers
SetFilePointerEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwindEx
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
ExitProcess
GetModuleHandleExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleFileNameW
GetCommandLineA
HeapFree
HeapAlloc
GetFileType
CompareStringW
LCMapStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetStringTypeW
GetProcessHeap
GetFileSizeEx
RaiseException

user32

GetMessageW
DispatchMessageW
MapVirtualKeyA
TranslateMessage
PostThreadMessageW
GetWindowThreadProcessId

Sections

.text
Size: 90KB - Virtual size: 89KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 41KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 75KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 2KB

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

53b6be47539a05db252a091ccbbf2be7

Code Sign

33:00:00:02:cd:f3:64:bf:f8:d4:4c:5d:51:00:00:00:00:02:cdCertificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

d8:f8:d1:3b:8d:a5:f1:69:0f:cf:89:bd:17:b1:ac:36:10:bc:89:1b:3e:34:54:37:dd:b1:38:87:84:07:fc:20Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

Sections

.text Size: 90KB - Virtual size: 89KB

.rdata Size: 41KB - Virtual size: 40KB

.data Size: 6KB - Virtual size: 75KB

.pdata Size: 5KB - Virtual size: 4KB

.rsrc Size: 2KB - Virtual size: 2KB

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

33:00:00:02:cd:f3:64:bf:f8:d4:4c:5d:51:00:00:00:00:02:cd
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

d8:f8:d1:3b:8d:a5:f1:69:0f:cf:89:bd:17:b1:ac:36:10:bc:89:1b:3e:34:54:37:dd:b1:38:87:84:07:fc:20
Signer

.text
Size: 90KB - Virtual size: 89KB

.rdata
Size: 41KB - Virtual size: 40KB

.data
Size: 6KB - Virtual size: 75KB

.pdata
Size: 5KB - Virtual size: 4KB

.rsrc
Size: 2KB - Virtual size: 2KB

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