2024-01-19_0185d4694a4f086f843c6890e46fd30c_cobalt-strike_ryuk

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General

Target

2024-01-19_0185d4694a4f086f843c6890e46fd30c_cobalt-strike_ryuk
Size

604KB
MD5

0185d4694a4f086f843c6890e46fd30c
SHA1

6280fb203e12995aa771c02336ef8dea4b80d97d
SHA256

9e67b4047b8d8ca404204eed2e0166be87722e2a2c8a27c2192b6efd7a853128
SHA512

7a9f87f9b226a833118edc62c4e650d0a852b55d9ed8f34ee1095a9e30a4b7507064e6b08c6527f57b1f5e13f5eddda9189d9398ee3a057dad5994b147509add
SSDEEP

6144:R41UngXDv0dEx8FSgYDChOc2lnqHKBeD2bz+BbW+zcPsPv2rohGepU1pvLcWj:a1UngTvCFSqOZlYUeDfIonGvAWj

Score

1^/10

Malware Config

Signatures

Files

2024-01-19_0185d4694a4f086f843c6890e46fd30c_cobalt-strike_ryuk
.exe windows:5 windows x64 arch:x64

440a9caf1e5d3c2b4a93e6367c665819

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

25/05/2021, 00:00

Not After

31/12/2028, 23:59

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6e
Certificate

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

CN=Sectigo Public Code Signing CA EV R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

b0:1b:d7:78:ff:78:66:0f:14:65:89:fe:cb:f6:15:bd
Certificate

Issuer

CN=Sectigo Public Code Signing CA EV R36,O=Sectigo Limited,C=GB

Not Before

03/08/2023, 00:00

Not After

02/08/2026, 23:59

Subject

SERIALNUMBER=6106317,CN=Axcient (eFolder\, Inc),O=Axcient (eFolder\, Inc),ST=Colorado,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

9c:cf:25:90:98:02:27:fb:06:96:4c:13:a6:58:9d:cd:56:ad:a3:41:65:da:74:78:30:18:e6:6a:a9:f0:69:43
Signer

Actual PE Digest

9c:cf:25:90:98:02:27:fb:06:96:4c:13:a6:58:9d:cd:56:ad:a3:41:65:da:74:78:30:18:e6:6a:a9:f0:69:43

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

Imports

vssapi

?CreateVssBackupComponents@@YAJPEAPEAVIVssBackupComponents@@@Z
ord7
ord6

kernel32

CompareStringW
WriteConsoleW
ReadConsoleW
SetStdHandle
GetLastError
GetVolumeNameForVolumeMountPointW
WriteFile
CloseHandle
CreateFileW
GetVolumePathNamesForVolumeNameW
WideCharToMultiByte
GetVolumePathNameW
FindClose
QueryDosDeviceW
GetFileAttributesW
FindFirstFileW
FindNextFileW
FileTimeToLocalFileTime
FileTimeToSystemTime
GetTimeFormatW
GetDateFormatW
GetThreadLocale
GetExitCodeProcess
WaitForSingleObject
GetFileSize
ReadFile
CreateProcessW
GetCommandLineW
DecodePointer
RaiseException
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LocalFree
FormatMessageW
ExpandEnvironmentStringsW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindFirstFileExW
HeapSize
MultiByteToWideChar
GetStringTypeW
RtlPcToFileHeader
EncodePointer
EnterCriticalSection
LeaveCriticalSection
SetLastError
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
SetEndOfFile
LCMapStringW
GetLocaleInfoW
GetCPInfo
IsDebuggerPresent
OutputDebugStringW
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlUnwindEx
FreeLibrary
LoadLibraryExW
HeapAlloc
HeapFree
HeapReAlloc
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
GetStdHandle
GetCommandLineA
GetACP
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetProcessHeap

ole32

CLSIDFromString
CoInitialize
CoUninitialize
CoInitializeSecurity
CoTaskMemFree
CoCreateInstance

oleaut32

SysAllocString
SysFreeString

Sections

.text
Size: 370KB - Virtual size: 369KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 195KB - Virtual size: 194KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 628B

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

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

440a9caf1e5d3c2b4a93e6367c665819

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16Certificate

Extended Key Usages

Key Usages

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6eCertificate

Extended Key Usages

Key Usages

b0:1b:d7:78:ff:78:66:0f:14:65:89:fe:cb:f6:15:bdCertificate

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

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

Extended Key Usages

Key Usages

9c:cf:25:90:98:02:27:fb:06:96:4c:13:a6:58:9d:cd:56:ad:a3:41:65:da:74:78:30:18:e6:6a:a9:f0:69:43Signer

Headers

DLL Characteristics

File Characteristics

Imports

vssapi

kernel32

ole32

oleaut32

Sections

.text Size: 370KB - Virtual size: 369KB

.rdata Size: 195KB - Virtual size: 194KB

.data Size: 6KB - Virtual size: 12KB

.pdata Size: 15KB - Virtual size: 15KB

.gfids Size: 1024B - Virtual size: 628B

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

.rsrc Size: 1KB - Virtual size: 1KB

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

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6e
Certificate

b0:1b:d7:78:ff:78:66:0f:14:65:89:fe:cb:f6:15:bd
Certificate

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

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

9c:cf:25:90:98:02:27:fb:06:96:4c:13:a6:58:9d:cd:56:ad:a3:41:65:da:74:78:30:18:e6:6a:a9:f0:69:43
Signer

.text
Size: 370KB - Virtual size: 369KB

.rdata
Size: 195KB - Virtual size: 194KB

.data
Size: 6KB - Virtual size: 12KB

.pdata
Size: 15KB - Virtual size: 15KB

.gfids
Size: 1024B - Virtual size: 628B

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

.rsrc
Size: 1KB - Virtual size: 1KB

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