2024-01-19_38c3757a07ac87a4450b4c7edc99bd32_cobalt-strike_ryuk

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General

Target

2024-01-19_38c3757a07ac87a4450b4c7edc99bd32_cobalt-strike_ryuk
Size

206KB
MD5

38c3757a07ac87a4450b4c7edc99bd32
SHA1

5f5eef0d62a56541078b295911116a8a14e9c801
SHA256

fef9cd37e6be4991243ca86373ebd0b950458ecb13fff196ae63b4e3a99a84de
SHA512

6e213c358b69bba9328bb7a35e5ec681967c264e0aac54e5283fcb3b9f88c53bce6197ec946012669fb230d5379232f8e88e4f2421b59cf9e29284a9465bdc13
SSDEEP

3072:aJh6N+uHrCCs6MGjEtiq75K+4oD0DSGjM9NczoY466M4wqq/jA3fq/g:aCzrC16MGjy7ozDSibohW4w5bA3fqo

Score

1^/10

Malware Config

Signatures

Files

2024-01-19_38c3757a07ac87a4450b4c7edc99bd32_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

1340991657bc68bab53df8057ba6c483

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

01:f3:0a:8b:b8:68:16:53:8b:43:bf:89:d7:4d:9f:48
Certificate

Issuer

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

Not Before

19/05/2021, 00:00

Not After

22/05/2024, 23:59

Subject

CN=Digiarty Software\, Inc.,O=Digiarty Software\, Inc.,L=Chengdu,ST=Sichuan,C=CN

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

bf:cb:20:c0:90:a9:ca:76:0b:e4:57:81:f0:b1:0f:24:da:bb:52:40:8d:ba:46:99:05:c5:d9:3a:28:15:b9:ba
Signer

Actual PE Digest

bf:cb:20:c0:90:a9:ca:76:0b:e4:57:81:f0:b1:0f:24:da:bb:52:40:8d:ba:46:99:05:c5:d9:3a:28:15:b9:ba

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

ole32

CoTaskMemFree

kernel32

GetCurrentProcessId
WriteConsoleW
FreeLibrary
GetProcAddress
LoadLibraryW
MultiByteToWideChar
WideCharToMultiByte
CloseHandle
QueryPerformanceCounter
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
GetFileSizeEx
SetEnvironmentVariableW
GetStringTypeW
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
CompareStringW
LCMapStringW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetCurrentProcess
TerminateProcess
HeapSize
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
GetLastError
LoadLibraryExW
CreateFileW
GetFileType
GetConsoleMode
WriteFile
GetConsoleOutputCP
SetFilePointerEx
GetModuleHandleExW
HeapAlloc
HeapFree
HeapReAlloc
ExitProcess
GetModuleFileNameW
GetStdHandle
GetCommandLineA
GetCommandLineW
IsValidCodePage
GetACP
GetOEMCP
SetStdHandle
FlushFileBuffers
GetProcessHeap
FindClose
FindFirstFileExW
FindNextFileW
GetEnvironmentStringsW
FreeEnvironmentStringsW

Sections

.text
Size: 107KB - Virtual size: 107KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 74KB - Virtual size: 74KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 276B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gehcont
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 736B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1340991657bc68bab53df8057ba6c483

Code Sign

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

Extended Key Usages

Key Usages

01:f3:0a:8b:b8:68:16:53:8b:43:bf:89:d7:4d:9f:48Certificate

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

bf:cb:20:c0:90:a9:ca:76:0b:e4:57:81:f0:b1:0f:24:da:bb:52:40:8d:ba:46:99:05:c5:d9:3a:28:15:b9:baSigner

Headers

DLL Characteristics

File Characteristics

Imports

ole32

kernel32

Sections

.text Size: 107KB - Virtual size: 107KB

.rdata Size: 74KB - Virtual size: 74KB

.data Size: 4KB - Virtual size: 9KB

.pdata Size: 6KB - Virtual size: 6KB

.gfids Size: 512B - Virtual size: 276B

.gehcont Size: 512B - Virtual size: 16B

.rsrc Size: 1024B - Virtual size: 736B

.reloc Size: 3KB - Virtual size: 2KB

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

01:f3:0a:8b:b8:68:16:53:8b:43:bf:89:d7:4d:9f:48
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

bf:cb:20:c0:90:a9:ca:76:0b:e4:57:81:f0:b1:0f:24:da:bb:52:40:8d:ba:46:99:05:c5:d9:3a:28:15:b9:ba
Signer

.text
Size: 107KB - Virtual size: 107KB

.rdata
Size: 74KB - Virtual size: 74KB

.data
Size: 4KB - Virtual size: 9KB

.pdata
Size: 6KB - Virtual size: 6KB

.gfids
Size: 512B - Virtual size: 276B

.gehcont
Size: 512B - Virtual size: 16B

.rsrc
Size: 1024B - Virtual size: 736B

.reloc
Size: 3KB - Virtual size: 2KB