2024-01-26_0465f06d2bbf1e5c7fb1e61f1c37f2bc_ryuk

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General

Target

2024-01-26_0465f06d2bbf1e5c7fb1e61f1c37f2bc_ryuk
Size

1.6MB
MD5

0465f06d2bbf1e5c7fb1e61f1c37f2bc
SHA1

6f52cab5549a4733c5366a4308e82cabee7601fa
SHA256

58c8521d9677def478984f3e3be00e7d75ca0032d660648bf4369c389791dd3c
SHA512

63533837779b8383d8fce2538352344018a22ab2b4ad3e1aea29fcb418e2d62bb0d64f6ac5f19dd3544fa694d5a12aff840d452bf1afedb6c7001ac27beb9fc4
SSDEEP

24576:DANw243kRVldlnXfH9gPwCn7vOb7HHcp/CGXQp:Dew2fRVlbnXf9gPTTW7H1GXC

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-26_0465f06d2bbf1e5c7fb1e61f1c37f2bc_ryuk

Files

2024-01-26_0465f06d2bbf1e5c7fb1e61f1c37f2bc_ryuk
.exe windows:6 windows x64 arch:x64

33d31a4df5121c8c368d8b7a65733fa3

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

Imports

user32

LoadStringA
wsprintfW

advapi32

AdjustTokenPrivileges
AllocateAndInitializeSid
BuildExplicitAccessWithNameW
ChangeServiceConfig2W
ChangeServiceConfigW
CloseServiceHandle
ControlService
CreateServiceW
CreateWellKnownSid
CryptAcquireContextA
CryptCreateHash
CryptDestroyHash
CryptGetHashParam
CryptHashData
CryptReleaseContext
DeleteService
FreeSid
GetEffectiveRightsFromAclW
GetSecurityDescriptorDacl
GetSecurityInfo
InitializeSecurityDescriptor
LookupAccountSidW
LookupPrivilegeValueA
OpenProcessToken
OpenSCManagerA
OpenSCManagerW
OpenServiceW
QueryServiceConfigW
QueryServiceObjectSecurity
QueryServiceStatus
QueryServiceStatusEx
RegCloseKey
RegEnumKeyExW
RegGetValueW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
RegSetValueExW
RegisterServiceCtrlHandlerW
SetEntriesInAclW
SetSecurityDescriptorDacl
SetSecurityInfo
SetServiceObjectSecurity
SetServiceStatus
StartServiceCtrlDispatcherW

crypt32

CertCloseStore
CertFindCertificateInStore
CertFreeCertificateContext
CertGetNameStringA
CertGetNameStringW
CryptMsgClose
CryptMsgGetParam
CryptQueryObject

ole32

CoTaskMemFree

rpcrt4

RpcStringFreeW
UuidCreate
UuidToStringW

shell32

SHFileOperationW
SHGetKnownFolderPath

wintrust

WinVerifyTrust

shlwapi

PathAppendW
PathCanonicalizeW
PathIsUNCServerShareW
PathQuoteSpacesW
PathRemoveFileSpecW
PathStripPathW
PathStripToRootW
PathUnquoteSpacesW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

kernel32

CloseHandle
CompareStringW
CopyFileW
CreateDirectoryW
CreateEventW
CreateFileW
CreateProcessW
CreateThread
CreateToolhelp32Snapshot
DeleteCriticalSection
DeleteFileW
DeviceIoControl
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDriveTypeW
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileSize
GetFileType
GetFullPathNameW
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LocalAlloc
LocalFree
MoveFileExW
MoveFileW
MultiByteToWideChar
Process32FirstW
Process32NextW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpiW

Sections

.text
Size: 157KB - Virtual size: 156KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 57KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

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: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.4MB - Virtual size: 2.2MB

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

33d31a4df5121c8c368d8b7a65733fa3

Headers

DLL Characteristics

File Characteristics

Imports

user32

advapi32

crypt32

ole32

rpcrt4

shell32

wintrust

shlwapi

version

kernel32

Sections

.text Size: 157KB - Virtual size: 156KB

.rdata Size: 57KB - Virtual size: 56KB

.data Size: 3KB - Virtual size: 8KB

.pdata Size: 7KB - Virtual size: 6KB

.00cfg Size: 512B - Virtual size: 16B

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

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

.reloc Size: 1.4MB - Virtual size: 2.2MB

.text
Size: 157KB - Virtual size: 156KB

.rdata
Size: 57KB - Virtual size: 56KB

.data
Size: 3KB - Virtual size: 8KB

.pdata
Size: 7KB - Virtual size: 6KB

.00cfg
Size: 512B - Virtual size: 16B

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

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

.reloc
Size: 1.4MB - Virtual size: 2.2MB