rhysida | 258ddd78655ac0587f64d7146e52549115b67465302c0cbd15a0cba746f05595[.]exe

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General

Target

258ddd78655ac0587f64d7146e52549115b67465302c0cbd15a0cba746f05595.exe
Size

418KB
MD5

44c7d18633b5741db270a6bd378b6f3c
SHA1

c1d41db1662289870d9b0172c53612b8a346a0e3
SHA256

258ddd78655ac0587f64d7146e52549115b67465302c0cbd15a0cba746f05595
SHA512

008befc95068a9b50a785aa84b9d2c446344cadf097241de658c9a810b4659a82e1a8edfc8c641b9237f2253d4980fe6b0a2c861b6c7883a82349815d9a34a3d
SSDEEP

6144:SOoLbiZZB2FpUJISUgJBJWR7UGRMFDLkSAGAR1LhT:cy9Z4R7iLBJAR1

Score

10^/10

rhysida

Malware Config

Signatures

Detect Rhysida ransomware 1 IoCs

Processes:

resource	yara_rule
sample	family_rhysida

Rhysida family
rhysida

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
258ddd78655ac0587f64d7146e52549115b67465302c0cbd15a0cba746f05595.exe

Files

258ddd78655ac0587f64d7146e52549115b67465302c0cbd15a0cba746f05595.exe
.exe windows:4 windows x64 arch:x64

515a3064a47ad1391d1e2cc2ed69a98b

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

CryptAcquireContextA
CryptGenRandom

kernel32

AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateSemaphoreA
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetFileAttributesA
GetHandleInformation
GetLastError
GetModuleFileNameW
GetProcessAffinityMask
GetStartupInfoA
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadContext
GetThreadPriority
GetTickCount
InitializeCriticalSection
IsDebuggerPresent
LeaveCriticalSection
OutputDebugStringA
QueryPerformanceCounter
RaiseException
ReleaseSemaphore
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetEvent
SetLastError
SetProcessAffinityMask
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SuspendThread
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject

msvcrt

__C_specific_handler
__dllonexit
__doserrno
__getmainargs
__initenv
__iob_func
__lconv_init
__pioinfo
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_beginthreadex
_cexit
_endthreadex
_errno
_exit
_filelengthi64
_fileno
_findclose
_findfirst64
_fmode
_fullpath
_initterm
_lock
_lseeki64
_onexit
_setjmp
_stat64
_ultoa
_unlock
_write
abort
acos
calloc
exit
fclose
fflush
fgetpos
fopen
fprintf
fread
free
frexp
fseek
fsetpos
ftell
fwprintf
fwrite
malloc
memcmp
memcpy
memmove
memset
printf
raise
rand
realloc
rename
signal
sprintf
srand
strcat
strcmp
strcpy
strlen
strncmp
strncpy
system
vfprintf
wcscpy
_time64
_snwprintf
_findnext64
longjmp
_strdup
_getcwd
_chdir

user32

MessageBoxW

Sections

.text
Size: 293KB - Virtual size: 292KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 40KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 60KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 33KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 112B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 104B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

515a3064a47ad1391d1e2cc2ed69a98b

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

user32

Sections

.text Size: 293KB - Virtual size: 292KB

.data Size: 40KB - Virtual size: 40KB

.rdata Size: 60KB - Virtual size: 59KB

.pdata Size: 9KB - Virtual size: 8KB

.xdata Size: 8KB - Virtual size: 8KB

.bss Size: - Virtual size: 33KB

.idata Size: 5KB - Virtual size: 4KB

.CRT Size: 512B - Virtual size: 112B

.tls Size: 512B - Virtual size: 104B

.text
Size: 293KB - Virtual size: 292KB

.data
Size: 40KB - Virtual size: 40KB

.rdata
Size: 60KB - Virtual size: 59KB

.pdata
Size: 9KB - Virtual size: 8KB

.xdata
Size: 8KB - Virtual size: 8KB

.bss
Size: - Virtual size: 33KB

.idata
Size: 5KB - Virtual size: 4KB

.CRT
Size: 512B - Virtual size: 112B

.tls
Size: 512B - Virtual size: 104B