2024-01-25_8e5fb215464b1d88dd81dbff483c2e5a_ryuk

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General

Target

2024-01-25_8e5fb215464b1d88dd81dbff483c2e5a_ryuk
Size

135KB
MD5

8e5fb215464b1d88dd81dbff483c2e5a
SHA1

d743583f23199d1c3733599e87ae9773449fe637
SHA256

6406d746d6026a6789efdfa0372e38e05eeb393e6fc8047d1988c8520ddac512
SHA512

11b2eed6be6c22822c4c5d3706bc88d329a1918b5de0e3d137fbcea3dcac1028b1af725bfcffa78db4cfb51900323ca6823d77f78de47f9c16238b4f8cd7c964
SSDEEP

3072:sc5vw5RbJMyBcL7J678A3U1MWibhS5+hNQJ:sh5JjBcXo7RURX6QJ

Score

1^/10

Malware Config

Signatures

Files

2024-01-25_8e5fb215464b1d88dd81dbff483c2e5a_ryuk
.exe windows:6 windows x64 arch:x64

5bd6664e66345af60ba7b94b4363cb9c

Code Sign

02:18:7d:f6:0f:e9:20:53:64:2c:cb:c0:f6:63:51:5f
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/12/2020, 00:00

Not After

20/02/2024, 23:59

Subject

CN=NSUS Ltd.,O=NSUS Ltd.,L=Dublin,C=IE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

39:11:a5:fc:8f:ee:7a:66:79:dc:9c:54:1e:4d:10:12:a0:0f:1e:4e:58:99:af:75:fb:87:4d:c5:6a:85:2c:68
Signer

Actual PE Digest

39:11:a5:fc:8f:ee:7a:66:79:dc:9c:54:1e:4d:10:12:a0:0f:1e:4e:58:99:af:75:fb:87:4d:c5:6a:85:2c:68

Digest Algorithm

sha256

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

Imports

kernel32

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

shell32

CommandLineToArgvW

user32

MessageBoxExW

shlwapi

StrCmpW

Exports

Exports

AmdPowerXpressRequestBetterBatteryLife
NvOptimusDisablement

Sections

.text
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 42KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - 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: 34KB - Virtual size: 34KB

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

5bd6664e66345af60ba7b94b4363cb9c

Code Sign

02:18:7d:f6:0f:e9:20:53:64:2c:cb:c0:f6:63:51:5fCertificate

Extended Key Usages

Key Usages

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

39:11:a5:fc:8f:ee:7a:66:79:dc:9c:54:1e:4d:10:12:a0:0f:1e:4e:58:99:af:75:fb:87:4d:c5:6a:85:2c:68Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

shell32

user32

shlwapi

Exports

Exports

Sections

.text Size: 40KB - Virtual size: 39KB

.rdata Size: 42KB - Virtual size: 41KB

.data Size: 3KB - Virtual size: 7KB

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

.rsrc Size: 34KB - Virtual size: 34KB

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

02:18:7d:f6:0f:e9:20:53:64:2c:cb:c0:f6:63:51:5f
Certificate

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

39:11:a5:fc:8f:ee:7a:66:79:dc:9c:54:1e:4d:10:12:a0:0f:1e:4e:58:99:af:75:fb:87:4d:c5:6a:85:2c:68
Signer

.text
Size: 40KB - Virtual size: 39KB

.rdata
Size: 42KB - Virtual size: 41KB

.data
Size: 3KB - Virtual size: 7KB

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

.rsrc
Size: 34KB - Virtual size: 34KB

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