2024-06-08_a8c211d11be847980c3a7423d37c5adb_cobalt-strike_ryuk

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General

Target

2024-06-08_a8c211d11be847980c3a7423d37c5adb_cobalt-strike_ryuk
Size

943KB
MD5

a8c211d11be847980c3a7423d37c5adb
SHA1

76692c3a983f8d396a218044a42571ff35b8b3ac
SHA256

fa2805130173e119f4d45241137841904fda11c6812644cb3e24e57b7cab4b77
SHA512

023aa7ba4e38f10dbf3f7bdc2e166fe5f4f9ca635f52509517555edc3fad9fd3b7fe199355af9b76c49fc7976424328c2376b9d69e0002fec756a2f7b28ee15d
SSDEEP

24576:J289brhCkyZx7Z31hwCZnRIRHC8RCeie+bTgAEtxqOy7/4g8dFGCy/nsc1JpGOje:JHrhCkyZx7Z31hwCZnRIRHC8RCeie+bA

Score

1^/10

Malware Config

Signatures

Files

2024-06-08_a8c211d11be847980c3a7423d37c5adb_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

6cf5c058e615b71dd9ce9571f68f56a6

Code Sign

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

08:90:b9:34:84:e6:f1:8e:fe:9f:43:68:3a:5f:49:d8
Certificate

Issuer

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

Not Before

25/05/2021, 00:00

Not After

21/08/2024, 23:59

Subject

CN=Beijing Sogou Technology Development Co.\, Ltd.,O=Beijing Sogou Technology Development Co.\, Ltd.,ST=Beijing,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

8e:f6:59:84:6c:64:bd:d4:02:08:b5:7b:a2:ed:20:24:aa:ed:95:aa:cd:2a:2b:1f:df:99:94:8e:44:cb:7a:f6
Signer

Actual PE Digest

8e:f6:59:84:6c:64:bd:d4:02:08:b5:7b:a2:ed:20:24:aa:ed:95:aa:cd:2a:2b:1f:df:99:94:8e:44:cb:7a:f6

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

PDB Paths

C:\work\Loader\aes-loader-master\aes-loader\ConsoleApplication1\ConsoleApplication1\..\..\out\HttpLoader\ConsoleApplication1.pdb

Imports

kernel32

CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateToolhelp32Snapshot
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTime
GetSystemTimeAsFileTime
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
Process32FirstW
Process32NextW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpW

advapi32

CryptAcquireContextW
CryptCreateHash
CryptDecrypt
CryptDeriveKey
CryptDestroyHash
CryptDestroyKey
CryptHashData
CryptReleaseContext
RegCloseKey
RegCreateKeyW
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW

winhttp

WinHttpCloseHandle
WinHttpConnect
WinHttpOpen
WinHttpOpenRequest
WinHttpQueryDataAvailable
WinHttpReadData
WinHttpReceiveResponse
WinHttpSendRequest

Sections

.text
Size: 494KB - Virtual size: 494KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 118KB - Virtual size: 117KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 27KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 18KB - Virtual size: 17KB

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: 58B

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 265KB - Virtual size: 265KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6cf5c058e615b71dd9ce9571f68f56a6

Code Sign

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

Extended Key Usages

Key Usages

08:90:b9:34:84:e6:f1:8e:fe:9f:43:68:3a:5f:49:d8Certificate

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

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

8e:f6:59:84:6c:64:bd:d4:02:08:b5:7b:a2:ed:20:24:aa:ed:95:aa:cd:2a:2b:1f:df:99:94:8e:44:cb:7a:f6Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

winhttp

Sections

.text Size: 494KB - Virtual size: 494KB

.rdata Size: 118KB - Virtual size: 117KB

.data Size: 27KB - Virtual size: 48KB

.pdata Size: 18KB - Virtual size: 17KB

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

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

.voltbl Size: 512B - Virtual size: 58B

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 265KB - Virtual size: 265KB

.reloc Size: 8KB - Virtual size: 7KB

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

08:90:b9:34:84:e6:f1:8e:fe:9f:43:68:3a:5f:49:d8
Certificate

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

8e:f6:59:84:6c:64:bd:d4:02:08:b5:7b:a2:ed:20:24:aa:ed:95:aa:cd:2a:2b:1f:df:99:94:8e:44:cb:7a:f6
Signer

.text
Size: 494KB - Virtual size: 494KB

.rdata
Size: 118KB - Virtual size: 117KB

.data
Size: 27KB - Virtual size: 48KB

.pdata
Size: 18KB - Virtual size: 17KB

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

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

.voltbl
Size: 512B - Virtual size: 58B

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 265KB - Virtual size: 265KB

.reloc
Size: 8KB - Virtual size: 7KB