2024-03-28_66ab9df4ac0d97c947f35161709ceb8b_cobalt-strike_ryuk

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General

Target

2024-03-28_66ab9df4ac0d97c947f35161709ceb8b_cobalt-strike_ryuk
Size

407KB
MD5

66ab9df4ac0d97c947f35161709ceb8b
SHA1

caa3f4ad1f1341ce7aa6d842bdde92ccaee231fb
SHA256

5731e52f57596c0a4ccd47b91a857e88a429ada6f7fb282d56a738d724379fa6
SHA512

ab7cad4bd47024639f15d63cf68ee7d7026dff45e8c7c09df0f027856a39c0061c972e972cd0012c26bd3305793e10496a28ce3ab43b4251917821624e0d4542
SSDEEP

6144:0RVaGwT5iL/0P0TJdbcWMLQta4p6rxwfNgCD9AWJg3PfcKrKywn:BGwTI0MdbYLM3ox9i9lJAdGyC

Score

1^/10

Malware Config

Signatures

Files

2024-03-28_66ab9df4ac0d97c947f35161709ceb8b_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

1063679ca25a505b671b8681ecfc841e

Code Sign

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

Issuer

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

Not Before

10/11/2006, 00:00

Not After

10/11/2031, 00:00

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

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

0c:1c:d3:ee:a4:7e:dd:a7:a0:32:57:3b:01:4d:0a:fd
Certificate

Issuer

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

Not Before

09/04/2021, 00:00

Not After

19/06/2024, 23:59

Subject

CN=Mozilla Corporation,OU=Firefox Engineering Operations,O=Mozilla Corporation,L=Mountain View,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

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

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

94:35:b1:d2:40:35:0b:a4:4c:21:55:ce:c7:4a:5f:90:de:35:67:7f:a6:b4:b7:de:5d:b8:d7:6e:17:7d:49:02
Signer

Actual PE Digest

94:35:b1:d2:40:35:0b:a4:4c:21:55:ce:c7:4a:5f:90:de:35:67:7f:a6:b4:b7:de:5d:b8:d7:6e:17:7d:49:02

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

PDB Paths

updater.pdb

Imports

advapi32

AdjustTokenPrivileges
CloseServiceHandle
CryptAcquireContextA
CryptCreateHash
CryptDestroyHash
CryptDestroyKey
CryptGetHashParam
CryptHashData
CryptReleaseContext
CryptVerifySignatureA
GetTokenInformation
LookupPrivilegeValueA
OpenProcessToken
OpenSCManagerA
OpenServiceW
QueryServiceConfigW
QueryServiceStatusEx
RegCloseKey
RegCreateKeyExW
RegEnumKeyExW
RegGetValueW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
RegSetValueExW
StartServiceW

shell32

SHGetKnownFolderPath
ShellExecuteExW

ws2_32

ntohl

shlwapi

PathAppendW
PathCanonicalizeW
PathCommonPrefixW
PathIsUNCServerShareW
PathRemoveFileSpecW
PathStripPathW
PathStripToRootW
PathUnquoteSpacesW

gdi32

SelectObject

user32

CopyRect
DialogBoxParamW
DrawTextW
EndDialog
GetClientRect
GetDC
GetDesktopWindow
GetDlgItem
GetParent
GetWindowLongPtrW
GetWindowRect
LoadIconW
OffsetRect
ReleaseDC
ScreenToClient
SendMessageW
SetTimer
SetWindowLongPtrW
SetWindowPos
SetWindowTextW
WaitForInputIdle
wsprintfW

ole32

CoTaskMemFree

rpcrt4

RpcStringFreeW
UuidCreate
UuidToStringW

wintrust

WinVerifyTrust

kernel32

ActivateActCtx
CloseHandle
CompareStringW
CopyFileW
CreateActCtxW
CreateDirectoryW
CreateEventW
CreateFileW
CreateProcessW
CreateThread
DeactivateActCtx
DeleteCriticalSection
DeleteFileW
DeviceIoControl
EncodePointer
EnterCriticalSection
ExitProcess
ExitThread
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetPrivateProfileStringW
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessInJob
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LocalAlloc
LocalFree
LockFile
MoveFileExW
MultiByteToWideChar
OpenProcess
PeekNamedPipe
QueryInformationJobObject
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
RemoveDirectoryW
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetCurrentDirectoryW
SetDllDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointer
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnlockFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 213KB - Virtual size: 212KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 69KB - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 40B

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

.voltbl
Size: 512B - Virtual size: 60B

_RDATA
Size: 512B - Virtual size: 252B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 96KB - Virtual size: 95KB

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

1063679ca25a505b671b8681ecfc841e

Code Sign

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39Certificate

Key Usages

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

Extended Key Usages

Key Usages

0c:1c:d3:ee:a4:7e:dd:a7:a0:32:57:3b:01:4d:0a:fdCertificate

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

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

Extended Key Usages

Key Usages

94:35:b1:d2:40:35:0b:a4:4c:21:55:ce:c7:4a:5f:90:de:35:67:7f:a6:b4:b7:de:5d:b8:d7:6e:17:7d:49:02Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

shell32

ws2_32

shlwapi

gdi32

user32

ole32

rpcrt4

wintrust

kernel32

Sections

.text Size: 213KB - Virtual size: 212KB

.rdata Size: 69KB - Virtual size: 69KB

.data Size: 4KB - Virtual size: 15KB

.pdata Size: 9KB - Virtual size: 8KB

.00cfg Size: 512B - Virtual size: 40B

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

.voltbl Size: 512B - Virtual size: 60B

_RDATA Size: 512B - Virtual size: 252B

.rsrc Size: 96KB - Virtual size: 95KB

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

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

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

0c:1c:d3:ee:a4:7e:dd:a7:a0:32:57:3b:01:4d:0a:fd
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

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

94:35:b1:d2:40:35:0b:a4:4c:21:55:ce:c7:4a:5f:90:de:35:67:7f:a6:b4:b7:de:5d:b8:d7:6e:17:7d:49:02
Signer

.text
Size: 213KB - Virtual size: 212KB

.rdata
Size: 69KB - Virtual size: 69KB

.data
Size: 4KB - Virtual size: 15KB

.pdata
Size: 9KB - Virtual size: 8KB

.00cfg
Size: 512B - Virtual size: 40B

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

.voltbl
Size: 512B - Virtual size: 60B

_RDATA
Size: 512B - Virtual size: 252B

.rsrc
Size: 96KB - Virtual size: 95KB

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