2024-03-27_1dca0468ccf12cff5612d6d4435c3213_ryuk

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General

Target

2024-03-27_1dca0468ccf12cff5612d6d4435c3213_ryuk
Size

1.2MB
MD5

1dca0468ccf12cff5612d6d4435c3213
SHA1

5f5814903d4d1f69b2db09101618be609cef164d
SHA256

8b0d1ce2082652fb379d0d70ae3f0ef869708ba07dcb2138f2ba84a20f159ad0
SHA512

953087263aa3b13e9e2b12d3c23857c5d879a140272cdce40446f3acdb39f647e67de0ea3c7502ad876ce107d22134b7e479a942f98982561f71baffb62c6869
SSDEEP

12288:+IaJKk8i/VpO5ZRzv4y2etOo+G+Ze2NwI6fRXI5zfWPB0osMA+nk4h4Bm+w:3knwXvH2ef+GMHwI6p4IB04B+w

Score

1^/10

Malware Config

Signatures

Files

2024-03-27_1dca0468ccf12cff5612d6d4435c3213_ryuk
.exe windows:5 windows x64 arch:x64

78b92e8a218667128864e085f72b36cc

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

25/05/2021, 00:00

Not After

31/12/2028, 23:59

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

11:9f:68:ae:07:22:53:2e:ce:7d:78:39:1f:18:58:49
Certificate

Issuer

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Not Before

21/03/2023, 00:00

Not After

20/03/2025, 23:59

Subject

CN=Scalehat Technologies Ltd,O=Scalehat Technologies Ltd,ST=Dublin,C=IE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

01:c2:9c:7a:f4:7a:a6:02:58:0e:af:32:b1:23:b1:1d
Certificate

Issuer

CN=GlobalSign Timestamping CA - SHA384 - G4,O=GlobalSign nv-sa,C=BE

Not Before

06/04/2022, 07:44

Not After

08/05/2033, 07:44

Subject

CN=Globalsign TSA for Advanced - G4,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

01:ec:1c:92:40:de:fd:2e:40:5d:7c:47:74
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R6,O=GlobalSign

Not Before

20/06/2018, 00:00

Not After

10/12/2034, 00:00

Subject

CN=GlobalSign Timestamping CA - SHA384 - G4,O=GlobalSign nv-sa,C=BE

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

01:f2:40:42:40:ce:fd:22:db:e9:6c:71:fc
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

20/02/2019, 00:00

Not After

18/03/2029, 10:00

Subject

CN=GlobalSign,OU=GlobalSign Root CA - R6,O=GlobalSign

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

04:00:00:00:00:01:21:58:53:08:a2
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

18/03/2009, 10:00

Not After

18/03/2029, 10:00

Subject

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

05:2c:2e:66:18:a7:9e:69:11:82:54:46:3a:7b:a1:88:a9:36:7c:e0:0b:ec:b5:d6:5a:9b:fa:0a:0b:0c:a5:85
Signer

Actual PE Digest

05:2c:2e:66:18:a7:9e:69:11:82:54:46:3a:7b:a1:88:a9:36:7c:e0:0b:ec:b5:d6:5a:9b:fa:0a:0b:0c:a5:85

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

notification_helper.exe.pdb

Imports

api-ms-win-core-winrt-error-l1-1-0

RoOriginateError

advapi32

BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
BuildTrusteeWithSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertStringSidToSidW
EventRegister
EventSetInformation
EventUnregister
EventWrite
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorControl
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
GetSecurityDescriptorSacl
IsValidAcl
IsValidSecurityDescriptor
IsValidSid
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
SetEntriesInAclW
SetNamedSecurityInfoW
SetSecurityInfo
SystemFunction036

shell32

CommandLineToArgvW
ord680
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW

user32

AllowSetForegroundWindow
SendInput

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
CloseHandle
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileW
CreateNamedPipeW
CreateProcessW
CreateThread
DecodePointer
DeleteCriticalSection
DeleteFileW
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProcessTimes
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetVersionExW
GetWindowsDirectoryW
HeapSetInformation
InitOnceExecuteOnce
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MoveFileW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RemoveDirectoryW
ReplaceFileW
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetLastError
SetNamedPipeHandleState
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnlockFileEx
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WerRegisterRuntimeExceptionModule
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpW
lstrlenA

ole32

CoAddRefServerProcess
CoRegisterClassObject
CoReleaseServerProcess
CoResumeClassObjects
CoRevokeClassObject
CoTaskMemFree

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

winmm

timeGetTime

shlwapi

PathMatchSpecW

ntdll

NtClose
NtOpenKeyEx
NtQueryValueKey
RtlFormatCurrentUserKeyPath
RtlFreeUnicodeString
RtlInitUnicodeString

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 896KB - Virtual size: 895KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 169KB - Virtual size: 168KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 64KB - Virtual size: 109KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 35KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

.tls
Size: 512B - Virtual size: 401B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: 512B - Virtual size: 70B

CPADinfo
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 244B

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: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

78b92e8a218667128864e085f72b36cc

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16Certificate

Extended Key Usages

Key Usages

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0aCertificate

Extended Key Usages

Key Usages

11:9f:68:ae:07:22:53:2e:ce:7d:78:39:1f:18:58:49Certificate

Extended Key Usages

Key Usages

01:c2:9c:7a:f4:7a:a6:02:58:0e:af:32:b1:23:b1:1dCertificate

Extended Key Usages

Key Usages

01:ec:1c:92:40:de:fd:2e:40:5d:7c:47:74Certificate

Key Usages

01:f2:40:42:40:ce:fd:22:db:e9:6c:71:fcCertificate

Key Usages

04:00:00:00:00:01:21:58:53:08:a2Certificate

Key Usages

05:2c:2e:66:18:a7:9e:69:11:82:54:46:3a:7b:a1:88:a9:36:7c:e0:0b:ec:b5:d6:5a:9b:fa:0a:0b:0c:a5:85Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

api-ms-win-core-winrt-error-l1-1-0

advapi32

shell32

user32

kernel32

ole32

version

winmm

shlwapi

ntdll

Exports

Exports

Sections

.text Size: 896KB - Virtual size: 895KB

.rdata Size: 169KB - Virtual size: 168KB

.data Size: 64KB - Virtual size: 109KB

.pdata Size: 35KB - Virtual size: 35KB

.00cfg Size: 512B - Virtual size: 48B

.gxfg Size: 11KB - Virtual size: 10KB

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

.tls Size: 512B - Virtual size: 401B

.voltbl Size: 512B - Virtual size: 70B

CPADinfo Size: 512B - Virtual size: 56B

_RDATA Size: 512B - Virtual size: 244B

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

.reloc Size: 6KB - Virtual size: 5KB

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

11:9f:68:ae:07:22:53:2e:ce:7d:78:39:1f:18:58:49
Certificate

01:c2:9c:7a:f4:7a:a6:02:58:0e:af:32:b1:23:b1:1d
Certificate

01:ec:1c:92:40:de:fd:2e:40:5d:7c:47:74
Certificate

01:f2:40:42:40:ce:fd:22:db:e9:6c:71:fc
Certificate

04:00:00:00:00:01:21:58:53:08:a2
Certificate

05:2c:2e:66:18:a7:9e:69:11:82:54:46:3a:7b:a1:88:a9:36:7c:e0:0b:ec:b5:d6:5a:9b:fa:0a:0b:0c:a5:85
Signer

.text
Size: 896KB - Virtual size: 895KB

.rdata
Size: 169KB - Virtual size: 168KB

.data
Size: 64KB - Virtual size: 109KB

.pdata
Size: 35KB - Virtual size: 35KB

.00cfg
Size: 512B - Virtual size: 48B

.gxfg
Size: 11KB - Virtual size: 10KB

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

.tls
Size: 512B - Virtual size: 401B

.voltbl
Size: 512B - Virtual size: 70B

CPADinfo
Size: 512B - Virtual size: 56B

_RDATA
Size: 512B - Virtual size: 244B

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

.reloc
Size: 6KB - Virtual size: 5KB