NEAS[.]2023-09-27_76227b3a2c7b4d40d0230371310d8937_ryuk[.]exe

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General

Target

NEAS.2023-09-27_76227b3a2c7b4d40d0230371310d8937_ryuk.exe
Size

397KB
MD5

76227b3a2c7b4d40d0230371310d8937
SHA1

89691df1c7b6a6210218afb30ab936c1aad3e123
SHA256

789ae17c072ba87baa95afca1ae3b02eddc233d92e52fd4764315cb554ca7275
SHA512

fbcdad3827048bd123ac27f4ec46a49e368b684725f245248f8bf1463a3b1a8541308f613eecfafe1a1298fcdd9b55fcb2aaccffb7b926523539f9ba0252adaf
SSDEEP

12288:s0nRiW4SdUzWAenWRHcfoQwYl4Kb+YdoG:s0nRiMHnWRHcfs64Kb+IoG

Score

1^/10

Malware Config

Signatures

Files

NEAS.2023-09-27_76227b3a2c7b4d40d0230371310d8937_ryuk.exe
.exe windows:5 windows x64

18b450d9e32d3b0027d7d5f4e991b5d1

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

52:9e:3f:9f:cf:7d:58:d5:20:d6:07:ab:74:39:50:02
Certificate

Issuer

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

02/06/2017, 00:00

Not After

01/06/2020, 23:59

Subject

CN=win.rar GmbH,O=win.rar GmbH,POSTALCODE=10117,STREET=Marienstrasse 12,L=Berlin,ST=Berlin,C=DE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

Issuer

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

09/05/2013, 00:00

Not After

08/05/2028, 23:59

Subject

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

52:9e:3f:9f:cf:7d:58:d5:20:d6:07:ab:74:39:50:02
Certificate

Issuer

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

02/06/2017, 00:00

Not After

01/06/2020, 23:59

Subject

CN=win.rar GmbH,O=win.rar GmbH,POSTALCODE=10117,STREET=Marienstrasse 12,L=Berlin,ST=Berlin,C=DE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

Issuer

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

09/05/2013, 00:00

Not After

08/05/2028, 23:59

Subject

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
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

f8:51:29:bb:49:9d:90:dd:e1:4f:d8:eb:51:53:f7:74:ec:12:27:76:c8:1a:aa:36:af:cb:36:05:60:cf:5d:e5
Signer

Actual PE Digest

f8:51:29:bb:49:9d:90:dd:e1:4f:d8:eb:51:53:f7:74:ec:12:27:76:c8:1a:aa:36:af:cb:36:05:60:cf:5d:e5

Digest Algorithm

sha256

PE Digest Matches

false

ec:49:7e:03:07:cb:e5:aa:55:77:b4:96:27:f3:33:57:75:d4:3e:a9
Signer

Actual PE Digest

ec:49:7e:03:07:cb:e5:aa:55:77:b4:96:27:f3:33:57:75:d4:3e:a9

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

DeviceIoControl
SetFileTime
CloseHandle
CreateDirectoryW
RemoveDirectoryW
CreateFileW
DeleteFileW
CreateHardLinkW
GetShortPathNameW
GetLongPathNameW
MoveFileW
ReadFile
FlushFileBuffers
SetEndOfFile
SetFilePointer
GetDriveTypeW
GetDiskFreeSpaceExW
SetFileAttributesW
GetFileAttributesW
GetVolumeInformationW
ExpandEnvironmentStringsW
FindClose
FindFirstFileW
FindNextFileW
GetVersionExW
GetModuleFileNameW
GetCurrentDirectoryW
GetFullPathNameW
FoldStringW
SetErrorMode
GetModuleHandleW
FreeLibrary
LoadLibraryW
LoadLibraryExW
GetProcAddress
GetCurrentProcessId
GetCurrentThread
GetCurrentProcess
SetThreadExecutionState
CreateEventW
GetSystemDirectoryW
SetPriorityClass
GetProcessAffinityMask
CreateThread
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
ResetEvent
ReleaseSemaphore
WaitForSingleObject
CreateSemaphoreW
GetSystemTime
SystemTimeToTzSpecificLocalTime
TzSpecificLocalTimeToSystemTime
SystemTimeToFileTime
FileTimeToLocalFileTime
LocalFileTimeToFileTime
FileTimeToSystemTime
GetCPInfo
IsDBCSLeadByte
MultiByteToWideChar
WideCharToMultiByte
CompareStringW
SetFilePointerEx
GetProcessHeap
HeapSize
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindNextFileA
SetConsoleCtrlHandler
FormatMessageW
Sleep
SetLastError
GetLastError
WriteConsoleW
ReadConsoleW
SetConsoleMode
GetConsoleMode
WriteFile
GetStdHandle
GetFileType
SetThreadPriority
GetCommandLineW
FindFirstFileExA
SetStdHandle
GetConsoleCP
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
WaitForSingleObjectEx
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
EncodePointer
RaiseException
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitProcess
GetModuleHandleExW
QueryPerformanceFrequency
GetModuleFileNameA
GetCommandLineA
GetACP
HeapFree
HeapAlloc
HeapReAlloc
GetStringTypeW
LCMapStringW

user32

CharLowerW
CharUpperW
MessageBeep
ExitWindowsEx
CharToOemBuffW
CharToOemA
OemToCharBuffA
OemToCharA
LoadStringW

advapi32

FreeSid
AllocateAndInitializeSid
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
LookupPrivilegeValueW
SetFileSecurityW
AdjustTokenPrivileges
OpenProcessToken
CheckTokenMembership

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListW
SHGetMalloc

powrprof

SetSuspendState

Sections

.text
Size: 259KB - Virtual size: 259KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 65KB - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 86KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 216B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 38KB - Virtual size: 38KB

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

18b450d9e32d3b0027d7d5f4e991b5d1

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

52:9e:3f:9f:cf:7d:58:d5:20:d6:07:ab:74:39:50:02Certificate

Extended Key Usages

Key Usages

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:afCertificate

Extended Key Usages

Key Usages

52:9e:3f:9f:cf:7d:58:d5:20:d6:07:ab:74:39:50:02Certificate

Extended Key Usages

Key Usages

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:afCertificate

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

f8:51:29:bb:49:9d:90:dd:e1:4f:d8:eb:51:53:f7:74:ec:12:27:76:c8:1a:aa:36:af:cb:36:05:60:cf:5d:e5Signer

ec:49:7e:03:07:cb:e5:aa:55:77:b4:96:27:f3:33:57:75:d4:3e:a9Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

powrprof

Sections

.text Size: 259KB - Virtual size: 259KB

.rdata Size: 65KB - Virtual size: 65KB

.data Size: 5KB - Virtual size: 86KB

.pdata Size: 11KB - Virtual size: 11KB

.gfids Size: 512B - Virtual size: 216B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 38KB - Virtual size: 38KB

.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

52:9e:3f:9f:cf:7d:58:d5:20:d6:07:ab:74:39:50:02
Certificate

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

52:9e:3f:9f:cf:7d:58:d5:20:d6:07:ab:74:39:50:02
Certificate

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
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

f8:51:29:bb:49:9d:90:dd:e1:4f:d8:eb:51:53:f7:74:ec:12:27:76:c8:1a:aa:36:af:cb:36:05:60:cf:5d:e5
Signer

ec:49:7e:03:07:cb:e5:aa:55:77:b4:96:27:f3:33:57:75:d4:3e:a9
Signer

.text
Size: 259KB - Virtual size: 259KB

.rdata
Size: 65KB - Virtual size: 65KB

.data
Size: 5KB - Virtual size: 86KB

.pdata
Size: 11KB - Virtual size: 11KB

.gfids
Size: 512B - Virtual size: 216B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 38KB - Virtual size: 38KB

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