2024-04-21_92bff50aa2258b3a09c3c8e01487fff5_cobalt-strike_ryuk

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General

Target

2024-04-21_92bff50aa2258b3a09c3c8e01487fff5_cobalt-strike_ryuk
Size

97KB
MD5

92bff50aa2258b3a09c3c8e01487fff5
SHA1

d3281ab657b6c8514c45a9ee277ee261dbef649f
SHA256

93c039b4e9d3f910ff53b9757e743b013ac3eb146907084c58f19e928659b59f
SHA512

473eb5a0d1c370f6e5a6c2167748f1f9078fc10adffea1f16b97ebd564860281ab006576668338cc1594355e08e9c0a97b3778db7cd75842978b27adb34dc23a
SSDEEP

3072:n1swfvI9G/2g/55cJb8cU0Rci3Svv7TJWn:n/oc/2gRq18+qUS0

Score

1^/10

Malware Config

Signatures

Files

2024-04-21_92bff50aa2258b3a09c3c8e01487fff5_cobalt-strike_ryuk
.exe windows:5 windows x64 arch:x64

7c90d0ea30651ac23b965c824c11d861

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

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

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

03/05/2023, 00:00

Not After

02/08/2034, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #4,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

05:df:08:f7:9d:ab:41:9a:13:3e:d9:d7:f8:49:01:d9
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

23/08/2023, 00:00

Not After

22/08/2024, 23:59

Subject

CN=Tendyron Corporation,O=Tendyron Corporation,ST=Beijing,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

a7:af:df:0a:92:4e:df:e2:96:46:2d:73:9c:fa:bd:68:ce:15:43:e3
Signer

Actual PE Digest

a7:af:df:0a:92:4e:df:e2:96:46:2d:73:9c:fa:bd:68:ce:15:43:e3

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

kernel32

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

user32

wsprintfA

advapi32

RegQueryValueExA
RegOpenKeyExA
RegCloseKey

shell32

SHGetSpecialFolderPathA

Sections

.text
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 36KB - Virtual size: 35KB

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: 164B

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

7c90d0ea30651ac23b965c824c11d861

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4Certificate

Extended Key Usages

Key Usages

05:df:08:f7:9d:ab:41:9a:13:3e:d9:d7:f8:49:01:d9Certificate

Extended Key Usages

Key Usages

a7:af:df:0a:92:4e:df:e2:96:46:2d:73:9c:fa:bd:68:ce:15:43:e3Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

Sections

.text Size: 43KB - Virtual size: 42KB

.rdata Size: 36KB - Virtual size: 35KB

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

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

.gfids Size: 512B - Virtual size: 164B

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

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

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

05:df:08:f7:9d:ab:41:9a:13:3e:d9:d7:f8:49:01:d9
Certificate

a7:af:df:0a:92:4e:df:e2:96:46:2d:73:9c:fa:bd:68:ce:15:43:e3
Signer

.text
Size: 43KB - Virtual size: 42KB

.rdata
Size: 36KB - Virtual size: 35KB

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

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

.gfids
Size: 512B - Virtual size: 164B

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

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