2024-05-25_c990fd590b950cef3080a0b312e7a609_ryuk

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General

Target

2024-05-25_c990fd590b950cef3080a0b312e7a609_ryuk
Size

512KB
MD5

c990fd590b950cef3080a0b312e7a609
SHA1

33a22619aeadd568019a9b95517a621710c89eb8
SHA256

fe867084d5643199db053558877b4acc6a5f1933d6a72c07f110cf1117fa82e9
SHA512

7f7764576400874c5e7794ee23e6dfda250fcca34ad3f92aecbcad4ee4ba382b2a18dab9e1a410c7d60603f733de8b25e9a3020f13fa179874f219f73e63e1bc
SSDEEP

12288:KbtsQRT8tnm8IH58Z1EIbEjutjnAmhiNv:YRI88IH58Z1EIbEjutjnAUiN

Score

1^/10

Malware Config

Signatures

Files

2024-05-25_c990fd590b950cef3080a0b312e7a609_ryuk
.exe windows:6 windows x64 arch:x64

87d1b30979749fe4188c80883e3c8ba4

Code Sign

01:c0:50:7a:9a:fe:97:69:ec:3e:66:d9:b2:36:86:df
Certificate

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/09/2015, 00:00

Not After

27/09/2016, 12:00

Subject

SERIALNUMBER=2189074,CN=Intel Corporation,OU=Intel(R) EV OWR,O=Intel Corporation,POSTALCODE=95054-1549,STREET=2200 Mission College Blvd.,L=Santa Clara,ST=CA,C=US,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18/04/2012, 12:00

Not After

18/04/2027, 12:00

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

69:b2:d1:cc:f0:2e:20:dc:c9:5c:62:89:4f:7f:9e:5f:5f:c0:57:bf
Certificate

Issuer

CN=QuoVadis Root Certification Authority,OU=Root Certification Authority,O=QuoVadis Limited,C=BM

Not Before

30/05/2014, 16:35

Not After

17/03/2021, 18:33

Subject

CN=QuoVadis Issuing CA G4,O=QuoVadis Limited,C=BM

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

38:5d:cc:ec:5f:e1:4d:39:74:c9:59:1a:3a:b1:c2:ca:ad:18:8c:2d
Certificate

Issuer

CN=QuoVadis Issuing CA G4,O=QuoVadis Limited,C=BM

Not Before

09/12/2014, 21:30

Not After

09/12/2017, 21:30

Subject

CN=Timestamp.intel.com,OU=Authenticode+OU=Thales TSS ESN:A6A7-71B2-73F1,O=Intel Corporation,L=Santa Clara,ST=CA,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

e4:df:4d:8e:e2:d0:39:5c:3c:95:21:35:87:62:5d:9c:2b:20:52:17
Signer

Actual PE Digest

e4:df:4d:8e:e2:d0:39:5c:3c:95:21:35:87:62:5d:9c:2b:20:52:17

Digest Algorithm

sha1

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

PDB Paths

C:\tcag1\work\17c22847bd57b040\ESIF\Products\ESIF_UF\Sources\win\projs\x64\Win10Release\esif_assist_64.pdb

Imports

kernel32

SetLastError
CreateMutexA
GetCurrentProcess
SetPriorityClass
GetSystemDirectoryW
GetSystemWindowsDirectoryA
GetModuleFileNameW
GetSystemPowerStatus
CreateFileW
FlushFileBuffers
ReadFile
GetLastError
ConnectNamedPipe
DisconnectNamedPipe
SetNamedPipeHandleState
CreateNamedPipeW
WaitNamedPipeW
GetOverlappedResult
RaiseException
WriteConsoleW
SetFilePointerEx
HeapReAlloc
HeapSize
GetTempPathA
GetEnvironmentVariableA
GetTempPathW
K32GetProcessImageFileNameA
LoadLibraryA
GetProcAddress
FreeLibrary
GetSystemDirectoryA
OpenProcess
CreateThread
WaitForMultipleObjects
Sleep
CreateEventW
WaitForSingleObject
SetEvent
WriteFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
InterlockedPushEntrySList
InterlockedFlushSList
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
GetStdHandle
GetModuleFileNameA
MultiByteToWideChar
WideCharToMultiByte
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
GetCurrentThread
GetFileType
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
OutputDebugStringA
OutputDebugStringW
WaitForSingleObjectEx
FindClose
FindFirstFileExA
FindFirstFileExW
FindNextFileA
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetEnvironmentVariableW
SetStdHandle
GetStringTypeW
GetProcessHeap
SetConsoleCtrlHandler
GetConsoleCP
GetConsoleMode
CloseHandle

user32

GetWindowThreadProcessId
EnumChildWindows
GetForegroundWindow
EnumDisplayDevicesW

gdi32

CreateDCW
DeleteDC

advapi32

SystemFunction036
ConvertStringSidToSidW
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
InitializeAcl
GetTokenInformation
GetLengthSid
GetAclInformation
AddAce
AddAccessAllowedAce
LookupPrivilegeValueW
AdjustTokenPrivileges
OpenProcessToken

Sections

.text
Size: 386KB - Virtual size: 385KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 79KB - Virtual size: 79KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 987B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 283B

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: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

87d1b30979749fe4188c80883e3c8ba4

Code Sign

01:c0:50:7a:9a:fe:97:69:ec:3e:66:d9:b2:36:86:dfCertificate

Extended Key Usages

Key Usages

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate

Extended Key Usages

Key Usages

69:b2:d1:cc:f0:2e:20:dc:c9:5c:62:89:4f:7f:9e:5f:5f:c0:57:bfCertificate

Key Usages

38:5d:cc:ec:5f:e1:4d:39:74:c9:59:1a:3a:b1:c2:ca:ad:18:8c:2dCertificate

Extended Key Usages

Key Usages

e4:df:4d:8e:e2:d0:39:5c:3c:95:21:35:87:62:5d:9c:2b:20:52:17Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

advapi32

Sections

.text Size: 386KB - Virtual size: 385KB

.rdata Size: 79KB - Virtual size: 79KB

.data Size: 5KB - Virtual size: 13KB

.pdata Size: 19KB - Virtual size: 18KB

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

.gfids Size: 1024B - Virtual size: 987B

.00cfg Size: 512B - Virtual size: 283B

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

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

01:c0:50:7a:9a:fe:97:69:ec:3e:66:d9:b2:36:86:df
Certificate

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

69:b2:d1:cc:f0:2e:20:dc:c9:5c:62:89:4f:7f:9e:5f:5f:c0:57:bf
Certificate

38:5d:cc:ec:5f:e1:4d:39:74:c9:59:1a:3a:b1:c2:ca:ad:18:8c:2d
Certificate

e4:df:4d:8e:e2:d0:39:5c:3c:95:21:35:87:62:5d:9c:2b:20:52:17
Signer

.text
Size: 386KB - Virtual size: 385KB

.rdata
Size: 79KB - Virtual size: 79KB

.data
Size: 5KB - Virtual size: 13KB

.pdata
Size: 19KB - Virtual size: 18KB

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

.gfids
Size: 1024B - Virtual size: 987B

.00cfg
Size: 512B - Virtual size: 283B

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

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