2024-02-20_1f1a429d1b3f27ac927edcff1326a8f9_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-02-20_1f1a429d1b3f27ac927edcff1326a8f9_ryuk
Size

102KB
MD5

1f1a429d1b3f27ac927edcff1326a8f9
SHA1

140d1dfa2bdbe5b9a522e4a4d3ca5722e2732439
SHA256

b412c55fd4d140120e634e9294b9e03eca4916478ed694e8826a7a5e2bada375
SHA512

24ce543fe208c769d7940fbe344e74000b8a4fbbda2eb6e31121b2b6c6d587465d438e4fb612ab8f7b0d291d4fef069a04aa50c7a3af7d14f91fabe745e6cc1f
SSDEEP

1536:M45TIMm6vQ+etJTAhyK3x4DKXxDCWdKsWi9dlWjyt+x4Li8eIHBbeE2Di:M4pIJ6ZePshyKOeu8PkmlLiRIhiE7

Score

1^/10

Malware Config

Signatures

Files

2024-02-20_1f1a429d1b3f27ac927edcff1326a8f9_ryuk
.exe windows:6 windows x64 arch:x64

ac673638bd855b939b1cedc270c3ca04

Code Sign

33:00:00:01:0d:4b:e1:d4:0b:2c:ea:40:22:00:00:00:00:01:0d
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

23/08/2018, 20:20

Not After

23/11/2019, 20:20

Subject

CN=Microsoft Time-Stamp service,OU=Microsoft Ireland Operations Limited+OU=Thales TSS ESN:D082-4BFD-EEBA,O=Microsoft Corporation,L=Redmond,ST=WA,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:e3:7d:a3:1f:82:84:dc:e4:a1:00:02:00:00:01:e3
Certificate

Issuer

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/05/2019, 21:20

Not After

02/05/2020, 21:20

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:04:35:45:00:00:00:00:00:3f
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

20/09/2018, 17:42

Not After

09/05/2021, 23:28

Subject

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03/04/2007, 12:53

Not After

03/04/2021, 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:01:51:9e:8d:8f:40:71:a3:0e:41:00:00:00:00:01:51
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/05/2019, 21:37

Not After

02/05/2020, 21:37

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

96:b1:8b:51:8a:8a:5a:a4:55:29:3c:47:c6:9b:03:6d:04:7a:03:c7:d8:d3:bb:7a:58:0b:5e:a2:1f:2d:68:15
Signer

Actual PE Digest

96:b1:8b:51:8a:8a:5a:a4:55:29:3c:47:c6:9b:03:6d:04:7a:03:c7:d8:d3:bb:7a:58:0b:5e:a2:1f:2d:68:15

Digest Algorithm

sha256

PE Digest Matches

true

e5:b8:eb:21:e8:cc:56:d6:3a:0a:fd:f5:6d:86:51:44:c4:45:e0:54
Signer

Actual PE Digest

e5:b8:eb:21:e8:cc:56:d6:3a:0a:fd:f5:6d:86:51:44:c4:45:e0:54

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_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

X:\bt\1048828\repo\out\retail-amd64\PurgeMSMPI_x64\PurgeMSMPI_x64.pdb

Imports

kernel32

CreateFileW
WriteConsoleW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetWindowsDirectoryW
GetModuleHandleW
GetCurrentProcess
TerminateProcess
GetModuleFileNameW
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
IsProcessorFeaturePresent
GetLastError
GetStdHandle
WriteFile
MultiByteToWideChar
WideCharToMultiByte
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
CloseHandle
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
RaiseException

setupapi

SetupCloseFileQueue
SetupQueueDeleteW
SetupOpenFileQueue
SetupCommitFileQueueW

advapi32

SystemFunction036

Sections

.text
Size: 40KB - Virtual size: 40KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 35KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ac673638bd855b939b1cedc270c3ca04

Code Sign

33:00:00:01:0d:4b:e1:d4:0b:2c:ea:40:22:00:00:00:00:01:0dCertificate

Extended Key Usages

33:00:00:01:e3:7d:a3:1f:82:84:dc:e4:a1:00:02:00:00:01:e3Certificate

Extended Key Usages

61:04:35:45:00:00:00:00:00:3fCertificate

Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

33:00:00:01:51:9e:8d:8f:40:71:a3:0e:41:00:00:00:00:01:51Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

96:b1:8b:51:8a:8a:5a:a4:55:29:3c:47:c6:9b:03:6d:04:7a:03:c7:d8:d3:bb:7a:58:0b:5e:a2:1f:2d:68:15Signer

e5:b8:eb:21:e8:cc:56:d6:3a:0a:fd:f5:6d:86:51:44:c4:45:e0:54Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

setupapi

advapi32

Sections

.text Size: 40KB - Virtual size: 40KB

.rdata Size: 35KB - Virtual size: 34KB

.data Size: 2KB - Virtual size: 7KB

.pdata Size: 3KB - Virtual size: 3KB

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

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

33:00:00:01:0d:4b:e1:d4:0b:2c:ea:40:22:00:00:00:00:01:0d
Certificate

33:00:00:01:e3:7d:a3:1f:82:84:dc:e4:a1:00:02:00:00:01:e3
Certificate

61:04:35:45:00:00:00:00:00:3f
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

33:00:00:01:51:9e:8d:8f:40:71:a3:0e:41:00:00:00:00:01:51
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

96:b1:8b:51:8a:8a:5a:a4:55:29:3c:47:c6:9b:03:6d:04:7a:03:c7:d8:d3:bb:7a:58:0b:5e:a2:1f:2d:68:15
Signer

e5:b8:eb:21:e8:cc:56:d6:3a:0a:fd:f5:6d:86:51:44:c4:45:e0:54
Signer

.text
Size: 40KB - Virtual size: 40KB

.rdata
Size: 35KB - Virtual size: 34KB

.data
Size: 2KB - Virtual size: 7KB

.pdata
Size: 3KB - Virtual size: 3KB

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

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