2024-06-25_cb0ef09f4e52617df86cf3ef4394be5b_cobalt-strike_ryuk

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General

Target

2024-06-25_cb0ef09f4e52617df86cf3ef4394be5b_cobalt-strike_ryuk
Size

451KB
MD5

cb0ef09f4e52617df86cf3ef4394be5b
SHA1

77b1947f8f4c7582d6a04e845c0df50e4027c01d
SHA256

75da4135b36a1daf2f8020a6787f22b4d278076296c844e927d5e155e3a922ea
SHA512

66b3c43cc0d882370ecdacfcf80b1a8ec4883c321b248ac3cd59f84ec7c5a52bb92a4c37f505cf86ba9624984a6886c0c872e5d23f574ce71c411f36ad3a69c5
SSDEEP

6144:vMCn81ScQbCyuLE2AXx7dNVnQpfhvSio072G:0YTbCzI2aLQ9hvS/G

Score

1^/10

Malware Config

Signatures

Files

2024-06-25_cb0ef09f4e52617df86cf3ef4394be5b_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

09992e3347b2a7d8d6f214fa220b7c54

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

1f:73:4d:11:1b:4b:5c:87:9b:bd:5a:8c:49:ab:2a:90
Certificate

Issuer

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

Not Before

07/12/2021, 00:00

Not After

06/12/2024, 23:59

Subject

SERIALNUMBER=0400751588,CN=Comodo Security Solutions\, Inc,O=Comodo Security Solutions\, Inc,ST=New Jersey,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130a4e6577204a6572736579,1.3.6.1.4.1.311.60.2.1.3=#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

03:e2:6a:42:58:c4:ed:54:f4:57:dc:bd:ee:f6:ef:07:01:e4:a3:c7:d3:e4:ae:6f:2e:64:c7:04:95:4f:f3:ef
Signer

Actual PE Digest

03:e2:6a:42:58:c4:ed:54:f4:57:dc:bd:ee:f6:ef:07:01:e4:a3:c7:d3:e4:ae:6f:2e:64:c7:04:95:4f:f3:ef

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

H:\125_x64\src\out\Dragon\Dragon\Release\virtual_mode_helper.exe.pdb

Imports

advapi32

RegCloseKey
RegOpenKeyW
RegQueryValueExW

shell32

ShellExecuteW

kernel32

AcquireSRWLockExclusive
CancelIo
CloseHandle
CompareStringW
ConnectNamedPipe
CreateEventW
CreateFileW
CreateNamedPipeW
DeleteCriticalSection
DisconnectNamedPipe
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
OutputDebugStringW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 308KB - Virtual size: 307KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 89KB - Virtual size: 88KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

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

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

.rsrc
Size: 1024B - Virtual size: 960B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

09992e3347b2a7d8d6f214fa220b7c54

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

1f:73:4d:11:1b:4b:5c:87:9b:bd:5a:8c:49:ab:2a:90Certificate

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

03:e2:6a:42:58:c4:ed:54:f4:57:dc:bd:ee:f6:ef:07:01:e4:a3:c7:d3:e4:ae:6f:2e:64:c7:04:95:4f:f3:efSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

shell32

kernel32

Sections

.text Size: 308KB - Virtual size: 307KB

.rdata Size: 89KB - Virtual size: 88KB

.data Size: 8KB - Virtual size: 18KB

.pdata Size: 15KB - Virtual size: 14KB

.gxfg Size: 9KB - Virtual size: 9KB

.retplne Size: 512B - Virtual size: 140B

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

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 1024B - Virtual size: 960B

.reloc Size: 3KB - 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

1f:73:4d:11:1b:4b:5c:87:9b:bd:5a:8c:49:ab:2a:90
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

03:e2:6a:42:58:c4:ed:54:f4:57:dc:bd:ee:f6:ef:07:01:e4:a3:c7:d3:e4:ae:6f:2e:64:c7:04:95:4f:f3:ef
Signer

.text
Size: 308KB - Virtual size: 307KB

.rdata
Size: 89KB - Virtual size: 88KB

.data
Size: 8KB - Virtual size: 18KB

.pdata
Size: 15KB - Virtual size: 14KB

.gxfg
Size: 9KB - Virtual size: 9KB

.retplne
Size: 512B - Virtual size: 140B

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

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 1024B - Virtual size: 960B

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