2024-02-20_f4b216edfccf9b88fa1d5d61c736727d_cobalt-strike_ryuk

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General

Target

2024-02-20_f4b216edfccf9b88fa1d5d61c736727d_cobalt-strike_ryuk
Size

183KB
MD5

f4b216edfccf9b88fa1d5d61c736727d
SHA1

87e67d4bf3145995d5f62b8ce1eedbb767b34df3
SHA256

5eded7752770d66dfa4ae8922fc2b226f860e3126f7bb01a875ffe35feb6411e
SHA512

c7bd4a23404ebb0fb3a4c8fff64a96c1f6f3af1cbbba64b7a52457d11af5961dc7fb640f7402f5d585a3d60133c6f2643bd11bc2dabd6d82680c16063ca28079
SSDEEP

3072:MyLJPSa/egjYrJp3gyyCVVyexz+wwUCqUgbJb9toY4OTKJ3lc5Y:HLZSCegaJp3gyyCzyM+RgNJjohMY

Score

1^/10

Malware Config

Signatures

Files

2024-02-20_f4b216edfccf9b88fa1d5d61c736727d_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

ebb63ab2da2bebaacd700a0eaa31d3d0

Code Sign

0e:fe:a0:08:16:59:e4:a8:58:6f:28:4c:8d:81:72:06
Certificate

Issuer

CN=DigiCert Global G3 Code Signing ECC SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

01/08/2023, 00:00

Not After

04/08/2024, 23:59

Subject

CN=Sublime HQ Pty Ltd,O=Sublime HQ Pty Ltd,L=Woollahra,ST=New South Wales,C=AU

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

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

74:6f:4b:7f:fb:73:72:84:74:92:ae:a8:01:95:fe:4b:f3:fa:c5:e2:c6:ab:9e:9d:59:de:d3:98:a2:c4:ae:ab
Signer

Actual PE Digest

74:6f:4b:7f:fb:73:72:84:74:92:ae:a8:01:95:fe:4b:f3:fa:c5:e2:c6:ab:9e:9d:59:de:d3:98:a2:c4:ae:ab

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_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

/home/jskinner/.release_build/build/gn/lto_win_x64/update_installer.pdb

Imports

user32

MessageBoxW

kernel32

CloseHandle
CreateEventW
CreateFileW
CreateProcessW
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetExitCodeProcess
GetFileType
GetLastError
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTempPathW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LocalFree
MoveFileExW
MultiByteToWideChar
OpenProcess
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetCurrentDirectoryW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

shell32

CommandLineToArgvW
SHFileOperationW
ShellExecuteExW

Sections

.text
Size: 95KB - Virtual size: 95KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 61KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 25B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ebb63ab2da2bebaacd700a0eaa31d3d0

Code Sign

0e:fe:a0:08:16:59:e4:a8:58:6f:28:4c:8d:81:72:06Certificate

Extended Key Usages

Key Usages

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

Key Usages

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

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

74:6f:4b:7f:fb:73:72:84:74:92:ae:a8:01:95:fe:4b:f3:fa:c5:e2:c6:ab:9e:9d:59:de:d3:98:a2:c4:ae:abSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

user32

kernel32

shell32

Sections

.text Size: 95KB - Virtual size: 95KB

.rdata Size: 61KB - Virtual size: 60KB

.data Size: 4KB - Virtual size: 11KB

.pdata Size: 6KB - Virtual size: 5KB

.00cfg Size: 512B - Virtual size: 56B

.gxfg Size: 4KB - Virtual size: 4KB

.tls Size: 512B - Virtual size: 25B

_RDATA Size: 512B - Virtual size: 348B

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

0e:fe:a0:08:16:59:e4:a8:58:6f:28:4c:8d:81:72:06
Certificate

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

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

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

74:6f:4b:7f:fb:73:72:84:74:92:ae:a8:01:95:fe:4b:f3:fa:c5:e2:c6:ab:9e:9d:59:de:d3:98:a2:c4:ae:ab
Signer

.text
Size: 95KB - Virtual size: 95KB

.rdata
Size: 61KB - Virtual size: 60KB

.data
Size: 4KB - Virtual size: 11KB

.pdata
Size: 6KB - Virtual size: 5KB

.00cfg
Size: 512B - Virtual size: 56B

.gxfg
Size: 4KB - Virtual size: 4KB

.tls
Size: 512B - Virtual size: 25B

_RDATA
Size: 512B - Virtual size: 348B

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