crypt[.]exe | Triage

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General

Target

crypt.exe
Size

936KB
MD5

f5d0e81a6d01584a62ebffc201ec5763
SHA1

a02ac4d8d716c1fad0181d546bc64cbe3b2ca73b
SHA256

eef5cff9cedbc0ca177558385eefddbc1981fd2e5d68823f30593ea8b59641f8
SHA512

8773c10e9622b71e2443f7473d49aaef61ab4b7946fb2a3e38df5d7c460a21eae68abe9b98051015c8240f4c95b9e741331428998c30e674c8ca3adeb5e4c26e
SSDEEP

12288:CFu6eQZTtA4eZ/huF2wThK/jqW4ZgqtTFPQU9sFQJXBO2wthvblaeZRFJ:/6egy4e6F2wThKur5fQOCsCZaeZRFJ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
crypt.exe

Files

crypt.exe
.exe windows x64

2480306cf07baf3ede61d03ce4e98286

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

advapi32

SystemFunction036

kernel32

CloseHandle
ReleaseSRWLockExclusive
GetStdHandle
GetConsoleMode
GetFileInformationByHandleEx
GetLastError
WaitForSingleObject
FreeEnvironmentStringsW
ReleaseMutex
FindClose
ReleaseSRWLockShared
CompareStringOrdinal
AddVectoredExceptionHandler
SetThreadStackGuarantee
SwitchToThread
AcquireSRWLockExclusive
GetCurrentProcess
GetCurrentThread
RtlCaptureContext
GetProcAddress
RtlLookupFunctionEntry
SetLastError
GetCurrentDirectoryW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetCommandLineW
SetFileInformationByHandle
DuplicateHandle
SetFilePointerEx
GetCurrentProcessId
WriteFileEx
SleepEx
ReadFileEx
GetExitCodeProcess
TerminateProcess
WaitForMultipleObjects
GetOverlappedResult
TryAcquireSRWLockExclusive
QueryPerformanceCounter
HeapAlloc
GetProcessHeap
HeapFree
HeapReAlloc
AcquireSRWLockShared
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
GetModuleHandleA
CreateFileW
GetFileInformationByHandle
FindFirstFileW
MoveFileExW
CopyFileExW
CreateEventW
ReadFile
CancelIo
GetModuleHandleW
FormatMessageW
GetModuleFileNameW
SetCurrentDirectoryW
ExitProcess
GetFullPathNameW
CreateNamedPipeW
GetSystemDirectoryW
GetWindowsDirectoryW
CreateProcessW
GetFileAttributesW
WriteConsoleW
ReadConsoleW
CreateThread
TlsGetValue
TlsSetValue
GetSystemTimeAsFileTime
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
InitializeSListHead
GetCurrentThreadId
IsProcessorFeaturePresent

bcrypt

BCryptGenRandom
BCryptOpenAlgorithmProvider
BCryptCloseAlgorithmProvider

vcruntime140

__current_exception_context
__current_exception
__C_specific_handler
_CxxThrowException
memmove
memcmp
memset
memcpy
__CxxFrameHandler3

api-ms-win-crt-heap-l1-1-0

malloc
free
_set_new_mode
calloc

api-ms-win-crt-runtime-l1-1-0

_initterm_e
exit
_exit
_initterm
__p___argc
__p___argv
_get_initial_narrow_environment
_c_exit
_register_thread_local_exe_atexit_callback
_initialize_narrow_environment
_configure_narrow_argv
_initialize_onexit_table
_register_onexit_function
_crt_atexit
terminate
_set_app_type
_seh_filter_exe
_cexit
_wassert

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-stdio-l1-1-0

_set_fmode
__p__commode

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Sections

.text
Size: 686KB - Virtual size: 686KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 217KB - Virtual size: 217KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 27KB - Virtual size: 27KB

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

2480306cf07baf3ede61d03ce4e98286

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

bcrypt

vcruntime140

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

Sections

.text Size: 686KB - Virtual size: 686KB

.rdata Size: 217KB - Virtual size: 217KB

.data Size: 512B - Virtual size: 2KB

.pdata Size: 27KB - Virtual size: 27KB

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

.text
Size: 686KB - Virtual size: 686KB

.rdata
Size: 217KB - Virtual size: 217KB

.data
Size: 512B - Virtual size: 2KB

.pdata
Size: 27KB - Virtual size: 27KB

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