2024-05-22_e1f41ec421163416e4a4b8d51b2b304e_ryuk

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General

Target

2024-05-22_e1f41ec421163416e4a4b8d51b2b304e_ryuk
Size

362KB
MD5

e1f41ec421163416e4a4b8d51b2b304e
SHA1

7b352f0cda2fb678cf651ec38abc44406d26c394
SHA256

115b4221641e6b55100b17e0e1f335852017203abc2da4081b967c37b9d5f32a
SHA512

46bf1edb0576573a43ef0b51e462e1e54424f96c59b0bfcdef64fe5256561c6f6cd1156b3cc00c29e12ee941898b5b986e3f34bfef4a3bd8b7e5ae021ea5b3d8
SSDEEP

6144:phptWYnICsVgswYdkihd23gIcVNETvFY/yMviOBBSr+Bd9Wyda7sHW31cSqoI:jDnICsVgswYdkagg7ETv2ViOmwWyg7B6

Score

1^/10

Malware Config

Signatures

Files

2024-05-22_e1f41ec421163416e4a4b8d51b2b304e_ryuk
.exe windows:5 windows x64 arch:x64

c117baa052dfcfadb6882244a70cb5eb

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21-12-2012 00:00

Not After

30-12-2020 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18-10-2012 00:00

Not After

29-12-2020 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

1f:f4:a4:9d:4c:ac:03:27:a3:fe:9c:d7:1e:31:cb:4a
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

29-01-2020 00:00

Not After

26-03-2023 23:59

Subject

CN=Bandisoft,O=Bandisoft,L=Yeongdeungpo-gu,ST=Seoul,C=KR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10-12-2013 00:00

Not After

09-12-2023 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

1f:f4:a4:9d:4c:ac:03:27:a3:fe:9c:d7:1e:31:cb:4a
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

29-01-2020 00:00

Not After

26-03-2023 23:59

Subject

CN=Bandisoft,O=Bandisoft,L=Yeongdeungpo-gu,ST=Seoul,C=KR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10-12-2013 00:00

Not After

09-12-2023 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12-01-2016 00:00

Not After

11-01-2031 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23-12-2017 00:00

Not After

22-03-2029 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

de:4e:6c:a9:3e:ce:9c:b6:80:2a:9d:67:b6:78:06:0c:a2:47:1f:bd:36:41:18:5f:da:5c:72:42:5d:04:40:43
Signer

Actual PE Digest

de:4e:6c:a9:3e:ce:9c:b6:80:2a:9d:67:b6:78:06:0c:a2:47:1f:bd:36:41:18:5f:da:5c:72:42:5d:04:40:43

Digest Algorithm

sha256

PE Digest Matches

false

7a:08:7e:9e:6e:2f:d7:bf:0a:04:b6:97:63:fe:29:88:e4:61:e3:a4
Signer

Actual PE Digest

7a:08:7e:9e:6e:2f:d7:bf:0a:04:b6:97:63:fe:29:88:e4:61:e3:a4

Digest Algorithm

sha1

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

kernel32

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

advapi32

CryptAcquireContextA
CryptDecrypt
CryptDestroyKey
CryptGetKeyParam
CryptImportKey
CryptReleaseContext
CryptSetKeyParam

Sections

.text
Size: 165KB - Virtual size: 165KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 42KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 130KB - Virtual size: 150KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 464B

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

c117baa052dfcfadb6882244a70cb5eb

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

1f:f4:a4:9d:4c:ac:03:27:a3:fe:9c:d7:1e:31:cb:4aCertificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

1f:f4:a4:9d:4c:ac:03:27:a3:fe:9c:d7:1e:31:cb:4aCertificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

de:4e:6c:a9:3e:ce:9c:b6:80:2a:9d:67:b6:78:06:0c:a2:47:1f:bd:36:41:18:5f:da:5c:72:42:5d:04:40:43Signer

7a:08:7e:9e:6e:2f:d7:bf:0a:04:b6:97:63:fe:29:88:e4:61:e3:a4Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

Sections

.text Size: 165KB - Virtual size: 165KB

.rdata Size: 42KB - Virtual size: 42KB

.data Size: 130KB - Virtual size: 150KB

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

.00cfg Size: 512B - Virtual size: 16B

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

.rsrc Size: 512B - Virtual size: 464B

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

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

1f:f4:a4:9d:4c:ac:03:27:a3:fe:9c:d7:1e:31:cb:4a
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

1f:f4:a4:9d:4c:ac:03:27:a3:fe:9c:d7:1e:31:cb:4a
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

de:4e:6c:a9:3e:ce:9c:b6:80:2a:9d:67:b6:78:06:0c:a2:47:1f:bd:36:41:18:5f:da:5c:72:42:5d:04:40:43
Signer

7a:08:7e:9e:6e:2f:d7:bf:0a:04:b6:97:63:fe:29:88:e4:61:e3:a4
Signer

.text
Size: 165KB - Virtual size: 165KB

.rdata
Size: 42KB - Virtual size: 42KB

.data
Size: 130KB - Virtual size: 150KB

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

.00cfg
Size: 512B - Virtual size: 16B

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

.rsrc
Size: 512B - Virtual size: 464B

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