2024-07-09_6f4dbcceed74e0b985b29fb717789e97_ryuk

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General

Target

2024-07-09_6f4dbcceed74e0b985b29fb717789e97_ryuk
Size

1.2MB
MD5

6f4dbcceed74e0b985b29fb717789e97
SHA1

e384a487062bca4a5dedfa0bff83dad93044e1bc
SHA256

0404a6e0166dc3d20177bb735ca4194dd12b7841de6e702ab2228122dbb760c7
SHA512

b1e7bd5b0adafb8fb568a92e30f66f66358130d11871a003c7cbe4e0498f3ab434dd117354028e808cb4b4368bfff4175d9b91c1175dd654a37bb97786bab75c
SSDEEP

12288:v0SDEQyU5Q6raNOwHpuCTbUH6t6y2fhGQy5VY52DHo/hNLCFMk4R1LgDNdXqR4LF:vMuUzYCPUaAy2EQy5Vi2LSlb4j8OyU3

Score

1^/10

Malware Config

Signatures

Files

2024-07-09_6f4dbcceed74e0b985b29fb717789e97_ryuk
.exe windows:6 windows x64 arch:x64

555bfa206097380a8ae12440a947b8ef

Code Sign

03:4b:04:25:bf:b6:71:76:bd:b0:db:ec:fe:74:4d:9d
Certificate

Issuer

CN=Hospital Biscuit,1.2.840.113549.1.9.1=#0c1b737461727440686f73706974616c0909626973637569742e636f6d

Not Before

08/12/2018, 00:00

Not After

08/12/2019, 23:59

Subject

CN=Hospital Biscuit,1.2.840.113549.1.9.1=#0c1b737461727440686f73706974616c0909626973637569742e636f6d

fe:67:e4:f1:5a:24:e3:c6:0d:54:7c:a0:20:c2:76:70
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

08/03/2016, 13:10

Not After

30/05/2027, 13:10

Subject

CN=Certum EV TSA SHA2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

Signer

Actual PE Digest

Digest Algorithm

PE Digest Matches

false

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

advapi32

RegOpenKeyExA
RegCloseKey
StartServiceCtrlDispatcherA
SetServiceStatus
DuplicateTokenEx
OpenProcessToken
LookupPrivilegeValueA
AdjustTokenPrivileges
OpenSCManagerA
OpenServiceA
CloseServiceHandle
QueryServiceObjectSecurity
GetSecurityDescriptorDacl
ConvertStringSidToSidA
LookupAccountSidA
BuildExplicitAccessWithNameA
SetEntriesInAclA
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
SetServiceObjectSecurity
RegOpenKeyA
RegGetKeySecurity
RegSetKeySecurity
GetTokenInformation
ConvertSidToStringSidA
RegQueryValueExA
CreateProcessAsUserA
RegOpenKeyExW
RegQueryValueExW
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGetHashParam
CryptReleaseContext
CryptGenRandom
CryptAcquireContextA

ws2_32

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

crypt32

CertFreeCertificateContext

wldap32

ord46
ord143
ord211
ord60
ord45
ord50
ord41
ord22
ord301
ord200
ord30
ord79
ord35
ord26
ord32
ord27
ord33

normaliz

IdnToUnicode
IdnToAscii

userenv

DestroyEnvironmentBlock
CreateEnvironmentBlock

wtsapi32

WTSQueryUserToken

rpcrt4

UuidToStringA
RpcStringFreeA

kernel32

GetTimeZoneInformation
FindClose
GetFullPathNameW
GetCurrentDirectoryW
GetFileAttributesExW
CreateProcessA
GetExitCodeProcess
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEndOfFile
SetStdHandle
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetTimeFormatW
GetDateFormatW
GetConsoleCP
ReadConsoleW
GetConsoleMode
GetACP
GetCommandLineW
GetCommandLineA
SetFilePointerEx
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
CreateFileW
FreeLibraryAndExitThread
ExitThread
GetModuleHandleExW
SetEnvironmentVariableA
ExitProcess
LoadLibraryExW
RtlUnwindEx
RtlPcToFileHeader
InitializeSListHead
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetStartupInfoW
ResetEvent
HeapDestroy
HeapSize
HeapReAlloc
HeapFree
HeapAlloc
GetProcessHeap
WideCharToMultiByte
SizeofResource
LockResource
LoadResource
FindResourceW
FindResourceExW
ReadFile
CloseHandle
Sleep
LoadLibraryA
GetProcAddress
GetModuleHandleA
CreateThread
lstrcmpiA
GetLastError
SetEvent
CreateToolhelp32Snapshot
Process32First
Process32Next
WTSGetActiveConsoleSessionId
WaitForSingleObject
GetModuleFileNameA
GetTickCount
GetCurrentProcess
LocalFree
OpenProcess
MoveFileExA
GetBinaryTypeA
VirtualAlloc
GetThreadContext
ReadProcessMemory
VirtualAllocEx
WriteProcessMemory
TerminateProcess
InitializeCriticalSectionEx
RaiseException
DecodePointer
DeleteCriticalSection
WriteFile
FindFirstVolumeW
MultiByteToWideChar
GetVolumeInformationW
GetTickCount64
EnterCriticalSection
LeaveCriticalSection
FreeLibrary
SleepEx
SetLastError
FormatMessageA
WaitForSingleObjectEx
VerSetConditionMask
GetSystemDirectoryA
VerifyVersionInfoA
GetStdHandle
GetFileType
PeekNamedPipe
WaitForMultipleObjects
ExpandEnvironmentStringsA
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetCPInfo
GetStringTypeW
GetLocaleInfoW
LCMapStringW
CompareStringW
GetModuleHandleW
GetSystemTimeAsFileTime
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
IsDebuggerPresent
OutputDebugStringW
EncodePointer
InitializeCriticalSectionAndSpinCount
CreateEventW
WriteConsoleW

shell32

SHGetFolderPathA
SHGetSpecialFolderPathA
SHGetSpecialFolderPathW
SHGetKnownFolderPath

ole32

CoTaskMemFree
CoCreateGuid

shlwapi

SHSetValueA
PathFileExistsA
PathFindFileNameA
PathRemoveExtensionA
SHGetValueA

Sections

.text
Size: 510KB - Virtual size: 510KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.d6ea0i
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.bptkh7
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.fbmqjz
Size: 512B - Virtual size: 380B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.e2919s
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.t11675
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.tdv2i3
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.qxgktr
Size: 512B - Virtual size: 328B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.gume7p
Size: 1024B - Virtual size: 708B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.beuhzy
Size: 512B - Virtual size: 422B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.dbreht
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.cn3o5p
Size: 512B - Virtual size: 128B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.l17rde
Size: 1024B - Virtual size: 684B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.mzenwo
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.uk0vkx
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.w5s7f7
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.t0k1i3
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 156KB - Virtual size: 156KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 53KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 24KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 696B

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: 430KB - Virtual size: 430KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

555bfa206097380a8ae12440a947b8ef

Code Sign

03:4b:04:25:bf:b6:71:76:bd:b0:db:ec:fe:74:4d:9dCertificate

fe:67:e4:f1:5a:24:e3:c6:0d:54:7c:a0:20:c2:76:70Certificate

Extended Key Usages

Key Usages

Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

ws2_32

crypt32

wldap32

normaliz

userenv

wtsapi32

rpcrt4

kernel32

shell32

ole32

shlwapi

Sections

.text Size: 510KB - Virtual size: 510KB

.d6ea0i Size: 2KB - Virtual size: 2KB

.bptkh7 Size: 2KB - Virtual size: 1KB

.fbmqjz Size: 512B - Virtual size: 380B

.e2919s Size: 5KB - Virtual size: 4KB

.t11675 Size: 2KB - Virtual size: 2KB

.tdv2i3 Size: 1KB - Virtual size: 1KB

.qxgktr Size: 512B - Virtual size: 328B

.gume7p Size: 1024B - Virtual size: 708B

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

.beuhzy Size: 512B - Virtual size: 422B

.dbreht Size: 1KB - Virtual size: 1KB

.cn3o5p Size: 512B - Virtual size: 128B

.l17rde Size: 1024B - Virtual size: 684B

.mzenwo Size: 7KB - Virtual size: 7KB

.uk0vkx Size: 2KB - Virtual size: 1KB

.w5s7f7 Size: 2KB - Virtual size: 2KB

.t0k1i3 Size: 1KB - Virtual size: 1KB

.rdata Size: 156KB - Virtual size: 156KB

.data Size: 53KB - Virtual size: 60KB

.pdata Size: 24KB - Virtual size: 23KB

.gfids Size: 1024B - Virtual size: 696B

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

.rsrc Size: 430KB - Virtual size: 430KB

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

03:4b:04:25:bf:b6:71:76:bd:b0:db:ec:fe:74:4d:9d
Certificate

fe:67:e4:f1:5a:24:e3:c6:0d:54:7c:a0:20:c2:76:70
Certificate

.text
Size: 510KB - Virtual size: 510KB

.d6ea0i
Size: 2KB - Virtual size: 2KB

.bptkh7
Size: 2KB - Virtual size: 1KB

.fbmqjz
Size: 512B - Virtual size: 380B

.e2919s
Size: 5KB - Virtual size: 4KB

.t11675
Size: 2KB - Virtual size: 2KB

.tdv2i3
Size: 1KB - Virtual size: 1KB

.qxgktr
Size: 512B - Virtual size: 328B

.gume7p
Size: 1024B - Virtual size: 708B

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

.beuhzy
Size: 512B - Virtual size: 422B

.dbreht
Size: 1KB - Virtual size: 1KB

.cn3o5p
Size: 512B - Virtual size: 128B

.l17rde
Size: 1024B - Virtual size: 684B

.mzenwo
Size: 7KB - Virtual size: 7KB

.uk0vkx
Size: 2KB - Virtual size: 1KB

.w5s7f7
Size: 2KB - Virtual size: 2KB

.t0k1i3
Size: 1KB - Virtual size: 1KB

.rdata
Size: 156KB - Virtual size: 156KB

.data
Size: 53KB - Virtual size: 60KB

.pdata
Size: 24KB - Virtual size: 23KB

.gfids
Size: 1024B - Virtual size: 696B

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

.rsrc
Size: 430KB - Virtual size: 430KB

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