sample[.]zip | Triage

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General

Target

sample.zip
Size

447KB
MD5

b8e1b53e478ba39ebf84a2d2db0b2f48
SHA1

a61ed9074ee643155a62993a92b40a11cfe57b72
SHA256

8065bc4d60f43f2bbaac5833d71ef89525e53a6a5b1047c3ecb8739d37432600
SHA512

7eb09ac39b3f039a1606cb6fd18e58f6158d366f9667194dc336ff5a1ab70af8d3551ef8740d02f1d8e7f3b4dae5db598a58dc1f37e3a142abd9e7334d93035d
SSDEEP

12288:Gy4CumzNGuqzpq58HR55vPM0UZ18QmrB7puBFo8vfR:Gy48cu+YGHhHMNzdm97puB7nR

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/rhysida.exe

Files

sample.zip
.zip

Password: infected
rhysida.exe
.exe windows x64

Password: infected

f6da1794eea7809ac5969477dbb4fa70

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_LARGE_ADDRESS_AWARE

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
puts
raise
rand
realloc
rename
signal
sprintf
srand
strcat
strcmp
strcpy
strerror
strlen
strncmp
strncpy
system
vfprintf
wcscpy
_time64
_snwprintf
_findnext64
longjmp
_strdup
_getcwd
_chdir

user32

MessageBoxW

Sections

.text
Size: 298KB - Virtual size: 297KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 39KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 62KB - Virtual size: 61KB

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: 9KB - 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

/4
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 508KB - Virtual size: 508KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 21KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 21KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 54KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/92
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: infected

Password: infected

f6da1794eea7809ac5969477dbb4fa70

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

user32

Sections

.text Size: 298KB - Virtual size: 297KB

.data Size: 39KB - Virtual size: 38KB

.rdata Size: 62KB - Virtual size: 61KB

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

.xdata Size: 9KB - 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

/4 Size: 2KB - Virtual size: 2KB

/19 Size: 508KB - Virtual size: 508KB

/31 Size: 21KB - Virtual size: 21KB

/45 Size: 37KB - Virtual size: 36KB

/57 Size: 21KB - Virtual size: 21KB

/70 Size: 6KB - Virtual size: 6KB

/81 Size: 54KB - Virtual size: 54KB

/92 Size: 5KB - Virtual size: 4KB

.text
Size: 298KB - Virtual size: 297KB

.data
Size: 39KB - Virtual size: 38KB

.rdata
Size: 62KB - Virtual size: 61KB

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

.xdata
Size: 9KB - 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

/4
Size: 2KB - Virtual size: 2KB

/19
Size: 508KB - Virtual size: 508KB

/31
Size: 21KB - Virtual size: 21KB

/45
Size: 37KB - Virtual size: 36KB

/57
Size: 21KB - Virtual size: 21KB

/70
Size: 6KB - Virtual size: 6KB

/81
Size: 54KB - Virtual size: 54KB

/92
Size: 5KB - Virtual size: 4KB