2024-03-09_3dbc25cfef9b42ec1d6b8f647be03f21_ryuk

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General

Target

2024-03-09_3dbc25cfef9b42ec1d6b8f647be03f21_ryuk
Size

524KB
MD5

3dbc25cfef9b42ec1d6b8f647be03f21
SHA1

91184a5d6cd915594c6a05be7afa88c73eda799e
SHA256

7a0876083cbf9e8c4d72934e3f441ccca5c4c144e8531757bcfb26d5c03cf0d0
SHA512

80dd8fffe73a402a5bbbb60b5eab8919ae41f884a26b019f356c8ba4753c8d29fc265a8562ad756f5657f710cc402af4d2d6919faf80e679336a0c2bde1fd9c3
SSDEEP

12288:uvK56GgIKoFrn6UmX0bV6VqE+Mo3V14k/S4:z5HgLoFrnqX0bV6VqE+MiYk/S4

Score

1^/10

Malware Config

Signatures

Files

2024-03-09_3dbc25cfef9b42ec1d6b8f647be03f21_ryuk
.exe windows:5 windows x64 arch:x64

c269d7c130543fd8695fd00e3a7e6aa5

Code Sign

3a:0e:9b:93:89:59:ea:17:13:aa:7c:57:39:7d:9d:55
Certificate

Issuer

CN=WoSign Class 3 Code Signing CA,O=WoSign CA Limited,C=CN

Not Before

22/08/2016, 07:10

Not After

22/09/2017, 07:10

Subject

CN=北京布丁跳跳科技有限公司,O=北京布丁跳跳科技有限公司,L=北京市,ST=北京市,C=CN,1.2.840.113549.1.9.1=#0c133138323031353038393036403136332e636f6d

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageDigitalSignature

25:1f:5d:98:81:82:17:2e:3c:41:9e:01:4f:b0:40:4c
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/08/2009, 01:00

Not After

08/08/2024, 01:00

Subject

CN=WoSign Time Stamping Signer,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/08/2009, 01:00

Not After

08/08/2039, 01:00

Subject

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

46:bb:b3:40:fa:b9:c1:79:28:93:8c:93:da:10:86:79
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/08/2009, 01:00

Not After

08/08/2024, 01:00

Subject

CN=WoSign Class 3 Code Signing CA,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

43:2f:54:71:90:c9:4d:9e:99:19:de:58:c1:ec:fd:01
Certificate

Issuer

CN=WoSign Class 3 Code Signing CA G2,O=WoSign CA Limited,C=CN

Not Before

22/08/2016, 06:57

Not After

22/09/2017, 06:57

Subject

CN=北京布丁跳跳科技有限公司,O=北京布丁跳跳科技有限公司,L=北京市,ST=北京市,C=CN,1.2.840.113549.1.9.1=#0c133138323031353038393036403136332e636f6d

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageDigitalSignature

37:a6:0e:92:5f:23:f8:0c:fd:cd:97:65:92:98:c3:54
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/11/2014, 00:58

Not After

08/11/2029, 00:58

Subject

CN=WoSign Class 3 Code Signing CA G2,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

25:1f:5d:98:81:82:17:2e:3c:41:9e:01:4f:b0:40:4c
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/08/2009, 01:00

Not After

08/08/2024, 01:00

Subject

CN=WoSign Time Stamping Signer,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/08/2009, 01:00

Not After

08/08/2039, 01:00

Subject

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

b8:11:94:29:d3:10:39:a8:03:9c:a3:97:36:4e:00:da:40:80:93:28:b6:84:82:55:b8:d0:62:60:43:5c:20:7b
Signer

Actual PE Digest

b8:11:94:29:d3:10:39:a8:03:9c:a3:97:36:4e:00:da:40:80:93:28:b6:84:82:55:b8:d0:62:60:43:5c:20:7b

Digest Algorithm

sha256

PE Digest Matches

true

00:96:59:ee:6c:0c:cf:e7:3f:ff:ed:c5:91:5f:58:c0:bc:11:63:a8
Signer

Actual PE Digest

00:96:59:ee:6c:0c:cf:e7:3f:ff:ed:c5:91:5f:58:c0:bc:11:63:a8

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

shlwapi

PathFileExistsW

kernel32

WritePrivateProfileStringW
CreateFileW
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
FreeLibrary
GetProcAddress
OpenProcess
GetCurrentProcess
GetCurrentThreadId
GetLastError
ReadProcessMemory
FindClose
GetModuleHandleW
GetCommandLineW
GetTempPathW
CreateDirectoryW
DeleteFileW
FindNextFileW
GetPrivateProfileStringW
MoveFileExW
MultiByteToWideChar
WideCharToMultiByte
VirtualAllocEx
WriteProcessMemory
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindFirstFileExW
GetProcessHeap
SetFilePointerEx
FlushFileBuffers
GetConsoleMode
GetConsoleCP
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetFileType
GetACP
WriteFile
GetStdHandle
GetModuleHandleExW
GetModuleFileNameW
CloseHandle
ReadFile
GetCurrentProcessId
SetEndOfFile
SetStdHandle
WriteConsoleW
ReadConsoleW
HeapSize
ExitProcess
HeapReAlloc
HeapFree
HeapAlloc
LoadLibraryExW
RtlUnwindEx
RaiseException
RtlPcToFileHeader
InitializeSListHead
QueryPerformanceCounter
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW

user32

GetWindowRect
GetDesktopWindow
FindWindowW
SendMessageW
GetWindowThreadProcessId
GetClassNameW
EnumWindows
FindWindowExW
SystemParametersInfoW

advapi32

RegQueryValueExW
RegOpenKeyExW
RegCloseKey

shell32

SHGetSpecialFolderPathW

Sections

.text
Size: 223KB - Virtual size: 222KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 102KB - Virtual size: 102KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 344B

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: 161KB - Virtual size: 161KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c269d7c130543fd8695fd00e3a7e6aa5

Code Sign

3a:0e:9b:93:89:59:ea:17:13:aa:7c:57:39:7d:9d:55Certificate

Extended Key Usages

Key Usages

25:1f:5d:98:81:82:17:2e:3c:41:9e:01:4f:b0:40:4cCertificate

Extended Key Usages

Key Usages

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91Certificate

Key Usages

46:bb:b3:40:fa:b9:c1:79:28:93:8c:93:da:10:86:79Certificate

Extended Key Usages

Key Usages

43:2f:54:71:90:c9:4d:9e:99:19:de:58:c1:ec:fd:01Certificate

Extended Key Usages

Key Usages

37:a6:0e:92:5f:23:f8:0c:fd:cd:97:65:92:98:c3:54Certificate

Extended Key Usages

Key Usages

25:1f:5d:98:81:82:17:2e:3c:41:9e:01:4f:b0:40:4cCertificate

Extended Key Usages

Key Usages

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91Certificate

Key Usages

b8:11:94:29:d3:10:39:a8:03:9c:a3:97:36:4e:00:da:40:80:93:28:b6:84:82:55:b8:d0:62:60:43:5c:20:7bSigner

00:96:59:ee:6c:0c:cf:e7:3f:ff:ed:c5:91:5f:58:c0:bc:11:63:a8Signer

Headers

DLL Characteristics

File Characteristics

Imports

shlwapi

kernel32

user32

advapi32

shell32

Sections

.text Size: 223KB - Virtual size: 222KB

.rdata Size: 102KB - Virtual size: 102KB

.data Size: 5KB - Virtual size: 11KB

.pdata Size: 12KB - Virtual size: 12KB

.gfids Size: 512B - Virtual size: 344B

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

.rsrc Size: 161KB - Virtual size: 161KB

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

3a:0e:9b:93:89:59:ea:17:13:aa:7c:57:39:7d:9d:55
Certificate

25:1f:5d:98:81:82:17:2e:3c:41:9e:01:4f:b0:40:4c
Certificate

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91
Certificate

46:bb:b3:40:fa:b9:c1:79:28:93:8c:93:da:10:86:79
Certificate

43:2f:54:71:90:c9:4d:9e:99:19:de:58:c1:ec:fd:01
Certificate

37:a6:0e:92:5f:23:f8:0c:fd:cd:97:65:92:98:c3:54
Certificate

25:1f:5d:98:81:82:17:2e:3c:41:9e:01:4f:b0:40:4c
Certificate

5e:68:d6:11:71:94:63:50:56:00:68:f3:3e:c9:c5:91
Certificate

b8:11:94:29:d3:10:39:a8:03:9c:a3:97:36:4e:00:da:40:80:93:28:b6:84:82:55:b8:d0:62:60:43:5c:20:7b
Signer

00:96:59:ee:6c:0c:cf:e7:3f:ff:ed:c5:91:5f:58:c0:bc:11:63:a8
Signer

.text
Size: 223KB - Virtual size: 222KB

.rdata
Size: 102KB - Virtual size: 102KB

.data
Size: 5KB - Virtual size: 11KB

.pdata
Size: 12KB - Virtual size: 12KB

.gfids
Size: 512B - Virtual size: 344B

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

.rsrc
Size: 161KB - Virtual size: 161KB

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