2024-07-27_9e3d2dac40aec975d12da442f765f76f_cobalt-strike_ryuk

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General

Target

2024-07-27_9e3d2dac40aec975d12da442f765f76f_cobalt-strike_ryuk
Size

408KB
MD5

9e3d2dac40aec975d12da442f765f76f
SHA1

7f8a90490c4ada43aedead2d3425c301c8b31219
SHA256

22dd8dd18b7aeefab7125643c972960fced9863180df4c1f31c2444975a12852
SHA512

b46ed1c98ba30dfbf2ebafd4f46b122f3309a56b65e6757f890600eb0a1a1f308cc6b277682e1947f25e13b6fb2d2f6dab550f2c53e6297fa518973b89426408
SSDEEP

6144:PLEcEFBrE5tnbCA8m+4TUv8Sn7SokPc4u+FD1w40gMXfRwpBS:PLufQtnbC44HkPDf170VAS

Score

1^/10

Malware Config

Signatures

Files

2024-07-27_9e3d2dac40aec975d12da442f765f76f_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

fe74a6022c02fa467b12e3098fbe144c

Code Sign

33:00:00:03:3b:65:5f:ae:fa:db:75:e9:d6:00:00:00:00:03:3b
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/09/2021, 18:23

Not After

01/09/2022, 18:23

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

30:71:37:c8:e2:9e:8b:05:1c:0c:10:96:02:0f:a0:be:b5:68:9f:8f:ba:9f:0e:25:ee:67:2c:d5:43:84:f9:99
Signer

Actual PE Digest

30:71:37:c8:e2:9e:8b:05:1c:0c:10:96:02:0f:a0:be:b5:68:9f:8f:ba:9f:0e:25:ee:67:2c:d5:43:84:f9:99

Digest Algorithm

sha256

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

ntdll

NtClose
NtReadVirtualMemory
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind

kernel32

AcquireSRWLockExclusive
CloseHandle
CreateFileW
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GlobalMemoryStatusEx
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
ReleaseSRWLockExclusive
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualFree
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

advapi32

AdjustTokenPrivileges
LookupPrivilegeValueA
StartServiceCtrlDispatcherA

Sections

.text
Size: 66KB - Virtual size: 65KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 38KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 234KB - Virtual size: 238KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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: 3KB

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

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

x
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 47KB - Virtual size: 47KB

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

fe74a6022c02fa467b12e3098fbe144c

Code Sign

33:00:00:03:3b:65:5f:ae:fa:db:75:e9:d6:00:00:00:00:03:3bCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

30:71:37:c8:e2:9e:8b:05:1c:0c:10:96:02:0f:a0:be:b5:68:9f:8f:ba:9f:0e:25:ee:67:2c:d5:43:84:f9:99Signer

Headers

DLL Characteristics

File Characteristics

Imports

ntdll

kernel32

advapi32

Sections

.text Size: 66KB - Virtual size: 65KB

.rdata Size: 38KB - Virtual size: 37KB

.data Size: 234KB - Virtual size: 238KB

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

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

.gxfg Size: 4KB - Virtual size: 3KB

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

_RDATA Size: 512B - Virtual size: 500B

x Size: 512B - Virtual size: 48B

.rsrc Size: 47KB - Virtual size: 47KB

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

33:00:00:03:3b:65:5f:ae:fa:db:75:e9:d6:00:00:00:00:03:3b
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

30:71:37:c8:e2:9e:8b:05:1c:0c:10:96:02:0f:a0:be:b5:68:9f:8f:ba:9f:0e:25:ee:67:2c:d5:43:84:f9:99
Signer

.text
Size: 66KB - Virtual size: 65KB

.rdata
Size: 38KB - Virtual size: 37KB

.data
Size: 234KB - Virtual size: 238KB

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

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

.gxfg
Size: 4KB - Virtual size: 3KB

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

_RDATA
Size: 512B - Virtual size: 500B

x
Size: 512B - Virtual size: 48B

.rsrc
Size: 47KB - Virtual size: 47KB

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