2024-04-30_59f84479d543731edb1658be5f5144bb_ryuk

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General

Target

2024-04-30_59f84479d543731edb1658be5f5144bb_ryuk
Size

1000KB
MD5

59f84479d543731edb1658be5f5144bb
SHA1

9bc31fda988c41e8c0c41718e6dcd5f681e4a475
SHA256

cfd2271ce85f3d73a2017cb14c58882bba4f8cc8cbf5a65b0d2b81c30639d0fe
SHA512

7a15ebf5bdf2b785e0841081b0b7ac5b2a0b964cf32ad6c8ebd5fa8ea6ffc540d98703090cdc6f072a03b8164e4a10a51f6fecbce13669cbea15849715e24a3b
SSDEEP

12288:Aq5zOFtgDyGFfj0DuaFBjccM2erwz0cFtum1eE1P8opBQYaWCcW5KwZ:Z72y0SaDHM2Rz0cFYmmN/zc2

Score

1^/10

Malware Config

Signatures

Files

2024-04-30_59f84479d543731edb1658be5f5144bb_ryuk
.exe windows:6 windows x64 arch:x64

cf23bf747d9d99c2291aaccb906250b5

Code Sign

3f:20:a5:16:8c:e8:ae:51:b4:2b:13:93:c8:1a:d0:fc
Certificate

Issuer

CN=DescentFork,1.2.840.113549.1.9.1=#0c1468656c704064657363656e74666f726b2e636f6d

Not Before

09/12/2018, 00:00

Not After

09/12/2019, 23:59

Subject

CN=DescentFork,1.2.840.113549.1.9.1=#0c1468656c704064657363656e74666f726b2e636f6d

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

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

crypt32

CertFreeCertificateContext

wldap32

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

normaliz

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
SetEnvironmentVariableA
GetModuleHandleExW
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: 490KB - Virtual size: 489KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.a7pgsa
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.ns4p98
Size: 1024B - Virtual size: 580B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.tw124n
Size: 1024B - Virtual size: 729B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.bioaq3
Size: 512B - Virtual size: 466B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.nxx01t
Size: 512B - Virtual size: 380B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.xz9h05
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.vhm5ja
Size: 512B - Virtual size: 460B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.nib903
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.cmpiwg
Size: 512B - Virtual size: 460B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.zixd19
Size: 512B - Virtual size: 304B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.vtj4wp
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.izd7lv
Size: 512B - Virtual size: 432B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.xlr45l
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.moo61v
Size: 1024B - Virtual size: 960B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.fzlvi6
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.w0y6xk
Size: 512B - Virtual size: 217B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.y48u1k
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.pgevv7
Size: 512B - Virtual size: 38B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.tkefs5
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 188KB - Virtual size: 188KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 22KB - Virtual size: 21KB

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: 245KB - Virtual size: 244KB

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

cf23bf747d9d99c2291aaccb906250b5

Code Sign

3f:20:a5:16:8c:e8:ae:51:b4:2b:13:93:c8:1a:d0:fcCertificate

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: 490KB - Virtual size: 489KB

.a7pgsa Size: 2KB - Virtual size: 1KB

.ns4p98 Size: 1024B - Virtual size: 580B

.tw124n Size: 1024B - Virtual size: 729B

.bioaq3 Size: 512B - Virtual size: 466B

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

.nxx01t Size: 512B - Virtual size: 380B

.xz9h05 Size: 4KB - Virtual size: 3KB

.vhm5ja Size: 512B - Virtual size: 460B

.nib903 Size: 4KB - Virtual size: 3KB

.cmpiwg Size: 512B - Virtual size: 460B

.zixd19 Size: 512B - Virtual size: 304B

.vtj4wp Size: 2KB - Virtual size: 2KB

.izd7lv Size: 512B - Virtual size: 432B

.xlr45l Size: 3KB - Virtual size: 2KB

.moo61v Size: 1024B - Virtual size: 960B

.fzlvi6 Size: 7KB - Virtual size: 7KB

.w0y6xk Size: 512B - Virtual size: 217B

.y48u1k Size: 4KB - Virtual size: 3KB

.pgevv7 Size: 512B - Virtual size: 38B

.tkefs5 Size: 2KB - Virtual size: 1KB

.rdata Size: 188KB - Virtual size: 188KB

.data Size: 5KB - Virtual size: 12KB

.pdata Size: 22KB - Virtual size: 21KB

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

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

.rsrc Size: 245KB - Virtual size: 244KB

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

3f:20:a5:16:8c:e8:ae:51:b4:2b:13:93:c8:1a:d0:fc
Certificate

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

.text
Size: 490KB - Virtual size: 489KB

.a7pgsa
Size: 2KB - Virtual size: 1KB

.ns4p98
Size: 1024B - Virtual size: 580B

.tw124n
Size: 1024B - Virtual size: 729B

.bioaq3
Size: 512B - Virtual size: 466B

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

.nxx01t
Size: 512B - Virtual size: 380B

.xz9h05
Size: 4KB - Virtual size: 3KB

.vhm5ja
Size: 512B - Virtual size: 460B

.nib903
Size: 4KB - Virtual size: 3KB

.cmpiwg
Size: 512B - Virtual size: 460B

.zixd19
Size: 512B - Virtual size: 304B

.vtj4wp
Size: 2KB - Virtual size: 2KB

.izd7lv
Size: 512B - Virtual size: 432B

.xlr45l
Size: 3KB - Virtual size: 2KB

.moo61v
Size: 1024B - Virtual size: 960B

.fzlvi6
Size: 7KB - Virtual size: 7KB

.w0y6xk
Size: 512B - Virtual size: 217B

.y48u1k
Size: 4KB - Virtual size: 3KB

.pgevv7
Size: 512B - Virtual size: 38B

.tkefs5
Size: 2KB - Virtual size: 1KB

.rdata
Size: 188KB - Virtual size: 188KB

.data
Size: 5KB - Virtual size: 12KB

.pdata
Size: 22KB - Virtual size: 21KB

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

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

.rsrc
Size: 245KB - Virtual size: 244KB

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