2024-01-24_8696b4ad0036d3efba39e2f3b810283d_ryuk

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General

Target

2024-01-24_8696b4ad0036d3efba39e2f3b810283d_ryuk
Size

89KB
MD5

8696b4ad0036d3efba39e2f3b810283d
SHA1

ca4b631e68c0b6eab349c750c0efb31ece5b7918
SHA256

976ce1c96e0735561e85d39ffacde66deaf5746fe4f242915ddf510b23e78f6b
SHA512

6de24893b1d6877da7352dd1c455cf6a18bef3bf9f5c545a42e2529c6f3c0ee76e039f19491c4915a94a814cd41733712aa87338c3fb34d6e605348c2f891b41
SSDEEP

1536:gz1Fm3JekWPEP7UjD2cOghfWo59QgU6JsWcxdc9dl4BPHK72cx:+63J+e7Yac9hfWo5WH6ArUEPq7b

Score

1^/10

Malware Config

Signatures

Files

2024-01-24_8696b4ad0036d3efba39e2f3b810283d_ryuk
.exe windows:5 windows x64 arch:x64

641cff14d31efc6fe79883107b070b93

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

01
Certificate

Issuer

CN=Mikjod Xecret,O=Ojaft Jiblywji Oo,L=Awasdufm,ST=Suglihuqu,C=GB

Not Before

17-05-2016 15:20

Not After

17-05-2017 15:20

Subject

CN=Secf Lepto,O=Ojaft Jiblywji Oo,L=Awasdufm,ST=Suglihuqu,C=GB

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

a0:2e:a3:fb:01:53:91:80:45:43:ee:59:9c:b2:d5:a9:26:07:4c:fb
Signer

Actual PE Digest

a0:2e:a3:fb:01:53:91:80:45:43:ee:59:9c:b2:d5:a9:26:07:4c:fb

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

Imports

nfapi64

?nf_unRegisterDriver@nfapi@@YA?AW4_NF_STATUS@@PEBD@Z
?nf_registerDriver@nfapi@@YA?AW4_NF_STATUS@@PEBD@Z

user32

CharNextA
MessageBoxA

kernel32

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

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: 6KB

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

.gfids
Size: 512B - Virtual size: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

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

641cff14d31efc6fe79883107b070b93

Code Sign

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

Extended Key Usages

Key Usages

01Certificate

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

Extended Key Usages

Key Usages

a0:2e:a3:fb:01:53:91:80:45:43:ee:59:9c:b2:d5:a9:26:07:4c:fbSigner

Headers

DLL Characteristics

File Characteristics

Imports

nfapi64

user32

kernel32

advapi32

Sections

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

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

.data Size: 2KB - Virtual size: 6KB

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

.gfids Size: 512B - Virtual size: 168B

.rsrc Size: 512B - Virtual size: 480B

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

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

01
Certificate

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

a0:2e:a3:fb:01:53:91:80:45:43:ee:59:9c:b2:d5:a9:26:07:4c:fb
Signer

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

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

.data
Size: 2KB - Virtual size: 6KB

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

.gfids
Size: 512B - Virtual size: 168B

.rsrc
Size: 512B - Virtual size: 480B

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