2024-05-05_4f546c4c85a80341f2147965e4cd1e1e_ryuk

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General

Target

2024-05-05_4f546c4c85a80341f2147965e4cd1e1e_ryuk
Size

5.2MB
MD5

4f546c4c85a80341f2147965e4cd1e1e
SHA1

09609fc21dca681d6a95ee887cf9c2204417a00e
SHA256

7fc395631c1875abafd030ecbf9acabd5cc622939f40c84860a080ba6ed8c46b
SHA512

3ed56615590f82f88b388567bc739cc2bc25df50df7fe673a999dec41122a3ec530e855aca3cedd10b6c1a8225f807945d938b87989c2c416b85148dedf42c57
SSDEEP

49152:83pL5JvIn3vglwIRyKrOMNzLlM/RB0IDDD26XjEZ/0S3:8t50KrOMNzxMD0IDDa6XwZ/0S3

Score

1^/10

Malware Config

Signatures

Files

2024-05-05_4f546c4c85a80341f2147965e4cd1e1e_ryuk
.exe windows:6 windows x64 arch:x64

7ca3046f84730a07e2085b1c33fbdec7

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

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6e
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 EV R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

a6:a2:ef:b3:65:67:48:55:bb:e2:d5:0c:dd:29:29:20
Certificate

Issuer

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

Not Before

14/11/2023, 00:00

Not After

13/11/2024, 23:59

Subject

SERIALNUMBER=6176747,CN=Valued Funding Inc,O=Valued Funding Inc,ST=New Mexico,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130a4e6577204d657869636f,1.3.6.1.4.1.311.60.2.1.3=#13025553

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

03/05/2023, 00:00

Not After

02/08/2034, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #4,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

84:01:9f:43:e2:e0:c6:ac:db:63:18:e9:23:f6:65:0e:7d:ec:56:66:62:93:31:1a:fa:43:f5:69:59:ac:32:cd
Signer

Actual PE Digest

84:01:9f:43:e2:e0:c6:ac:db:63:18:e9:23:f6:65:0e:7d:ec:56:66:62:93:31:1a:fa:43:f5:69:59:ac:32:cd

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_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

AcquireSRWLockExclusive
AreFileApisANSI
CloseHandle
CompareFileTime
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileW
CreateSemaphoreW
CreateThread
DecodePointer
DeleteCriticalSection
DeleteFileW
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
FileTimeToLocalFileTime
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableA
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSize
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocaleInfoEx
GetLocaleInfoW
GetLogicalDriveStringsW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessAffinityMask
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempFileNameW
GetTickCount
GetTickCount64
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersion
GlobalAlloc
GlobalFree
GlobalLock
GlobalMemoryStatusEx
GlobalUnlock
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
LocalFree
MoveFileExW
MoveFileW
MultiByteToWideChar
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ReleaseSemaphore
RemoveDirectoryW
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointer
SetFilePointerEx
SetFileTime
SetLastError
SetPriorityClass
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcatA
lstrlenA

user32

CharUpperW
CheckDlgButton
CloseClipboard
DialogBoxParamW
EmptyClipboard
EnableWindow
EndDialog
GetDlgItem
GetFocus
GetKeyState
GetMonitorInfoA
GetParent
GetWindowLongPtrW
GetWindowRect
GetWindowTextLengthW
GetWindowTextW
InvalidateRect
IsDlgButtonChecked
KillTimer
LoadCursorW
LoadIconW
LoadStringW
MapDialogRect
MessageBoxA
MessageBoxW
MonitorFromWindow
MoveWindow
OpenClipboard
PostMessageW
ScreenToClient
SendMessageW
SetClipboardData
SetCursor
SetDlgItemTextW
SetFocus
SetTimer
SetWindowLongPtrW
SetWindowTextW
ShowWindow
SystemParametersInfoW
wsprintfA

oleaut32

SysAllocString
SysAllocStringLen
SysFreeString
SysStringLen
VariantClear

ole32

CoCreateInstance
CoInitialize
CoTaskMemFree
CoUninitialize
OleInitialize

shell32

SHBrowseForFolderW
SHGetFileInfoW
SHGetKnownFolderPath
SHGetPathFromIDListW

advapi32

CloseServiceHandle
CryptAcquireContextW
CryptCreateHash
CryptDestroyHash
CryptDestroyKey
CryptEncrypt
CryptGetHashParam
CryptHashData
CryptImportKey
CryptReleaseContext
DuplicateTokenEx

userenv

CreateEnvironmentBlock

ws2_32

WSACleanup
WSACloseEvent
WSACreateEvent
WSAEnumNetworkEvents
WSAEventSelect
WSAGetLastError
WSAIoctl
WSAResetEvent
WSASetLastError
WSAStartup
WSAWaitForMultipleEvents
__WSAFDIsSet
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
gethostname
getpeername
getsockname
getsockopt
htonl
htons
ioctlsocket
listen
ntohs
recv
recvfrom
select
send
sendto
setsockopt
socket

crypt32

CertAddCertificateContextToStore
CertCloseStore
CertCreateCertificateChainEngine
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFindExtension
CertFreeCertificateChain
CertFreeCertificateChainEngine
CertFreeCertificateContext
CertGetCertificateChain
CertGetNameStringW
CertOpenStore
CryptDecodeObjectEx
CryptQueryObject
CryptStringToBinaryW
PFXImportCertStore

wldap32

ord301
ord73
ord117
ord127
ord26
ord133
ord142
ord145
ord147
ord41
ord167
ord27
ord208
ord14
ord216
ord219
ord46
ord79

bcrypt

BCryptGenRandom

Sections

.text
Size: 4.8MB - Virtual size: 4.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 268KB - Virtual size: 267KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 49KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

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: 108B

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7ca3046f84730a07e2085b1c33fbdec7

Code Sign

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

Extended Key Usages

Key Usages

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6eCertificate

Extended Key Usages

Key Usages

a6:a2:ef:b3:65:67:48:55:bb:e2:d5:0c:dd:29:29:20Certificate

Extended Key Usages

Key Usages

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4Certificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

84:01:9f:43:e2:e0:c6:ac:db:63:18:e9:23:f6:65:0e:7d:ec:56:66:62:93:31:1a:fa:43:f5:69:59:ac:32:cdSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

oleaut32

ole32

shell32

advapi32

userenv

ws2_32

crypt32

wldap32

bcrypt

Sections

.text Size: 4.8MB - Virtual size: 4.8MB

.rdata Size: 268KB - Virtual size: 267KB

.data Size: 11KB - Virtual size: 35KB

.pdata Size: 49KB - Virtual size: 48KB

.00cfg Size: 512B - Virtual size: 56B

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

.retplne Size: 512B - Virtual size: 108B

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

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 9KB - Virtual size: 9KB

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

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

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6e
Certificate

a6:a2:ef:b3:65:67:48:55:bb:e2:d5:0c:dd:29:29:20
Certificate

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

84:01:9f:43:e2:e0:c6:ac:db:63:18:e9:23:f6:65:0e:7d:ec:56:66:62:93:31:1a:fa:43:f5:69:59:ac:32:cd
Signer

.text
Size: 4.8MB - Virtual size: 4.8MB

.rdata
Size: 268KB - Virtual size: 267KB

.data
Size: 11KB - Virtual size: 35KB

.pdata
Size: 49KB - Virtual size: 48KB

.00cfg
Size: 512B - Virtual size: 56B

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

.retplne
Size: 512B - Virtual size: 108B

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

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 9KB - Virtual size: 9KB

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