2024-02-29_c982cc6744a26fdced10652f43a45260_ryuk

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General

Target

2024-02-29_c982cc6744a26fdced10652f43a45260_ryuk
Size

5.2MB
MD5

c982cc6744a26fdced10652f43a45260
SHA1

3a598a09f708ef6664309006cc4809f89f1f0472
SHA256

6e10b7e5efbbd3c7310dce5d5ff531d223589a8684e281cd0e0e7299abdb360e
SHA512

8b0b5b1e40e1ec6193e675bae3fd3f2b423634554aad8a553d39e9970d29fa00e237141cf33f9246286315a50ed25898b67fc044b3e73a869d30c3cf7b29aa8e
SSDEEP

49152:ba8T2mh3mhW9MGhqh0ekXJ0fZxegTo2PhWhG1U98MjfgTc0udYIuCf4k+EMHzJi:emh3mhW9LAgXK2UoacF9/s3uDfn+EO0

Score

10^/10

Malware Config

Signatures

Detects executables (downlaoders) containing URLs to raw contents of a paste 1 IoCs

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_EXE_RawPaste_URL

Files

2024-02-29_c982cc6744a26fdced10652f43a45260_ryuk
.exe windows:6 windows x64 arch:x64

65404d5c9e25219195924d59e8043fff

Code Sign

37:ad:dd:7c:71:de:0b:65:be:90:c7:fb:f7:44:73:1d
Certificate

Issuer

CN=Heaven CA

Not Before

22-07-2021 22:01

Not After

31-12-2039 23:59

Subject

CN=Heaven Cert

92:c5:cc:9f:28:3e:0c:37:aa:8c:eb:d6:94:f7:c3:7a:64:6e:5d:6b
Signer

Actual PE Digest

92:c5:cc:9f:28:3e:0c:37:aa:8c:eb:d6:94:f7:c3:7a:64:6e:5d:6b

Digest Algorithm

sha1

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

kernel32

AreFileApisANSI
CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateProcessW
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesExW
GetFileInformationByHandleEx
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTimeZoneInformation
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LocalFree
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
ReadConsoleInputW
ReadConsoleW
ReadFile
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleMode
SetConsoleTitleA
SetEnvironmentVariableW
SetEvent
SetFileInformationByHandle
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

user32

FindWindowA
GetWindowThreadProcessId
MessageBoxA

shell32

ShellExecuteA

wininet

InternetCloseHandle
InternetOpenA
InternetOpenUrlA
InternetReadFile

urlmon

URLDownloadToFileA

Sections

.text
Size: 4.9MB - Virtual size: 4.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 78KB - Virtual size: 78KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 14KB - Virtual size: 13KB

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: 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

_sysc
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 265KB - Virtual size: 264KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

65404d5c9e25219195924d59e8043fff

Code Sign

37:ad:dd:7c:71:de:0b:65:be:90:c7:fb:f7:44:73:1dCertificate

92:c5:cc:9f:28:3e:0c:37:aa:8c:eb:d6:94:f7:c3:7a:64:6e:5d:6bSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

wininet

urlmon

Sections

.text Size: 4.9MB - Virtual size: 4.9MB

.rdata Size: 78KB - Virtual size: 78KB

.data Size: 5KB - Virtual size: 16KB

.pdata Size: 14KB - Virtual size: 13KB

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

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

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

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

_RDATA Size: 512B - Virtual size: 348B

_sysc Size: 512B - Virtual size: 24B

.rsrc Size: 265KB - Virtual size: 264KB

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

37:ad:dd:7c:71:de:0b:65:be:90:c7:fb:f7:44:73:1d
Certificate

92:c5:cc:9f:28:3e:0c:37:aa:8c:eb:d6:94:f7:c3:7a:64:6e:5d:6b
Signer

.text
Size: 4.9MB - Virtual size: 4.9MB

.rdata
Size: 78KB - Virtual size: 78KB

.data
Size: 5KB - Virtual size: 16KB

.pdata
Size: 14KB - Virtual size: 13KB

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

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

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

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

_RDATA
Size: 512B - Virtual size: 348B

_sysc
Size: 512B - Virtual size: 24B

.rsrc
Size: 265KB - Virtual size: 264KB

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