CrystalFree[.]exe

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General

Target

CrystalFree.exe
Size

597KB
MD5

da4ae4143d11fc557cec64f4c1a1650e
SHA1

8021ce5d396823967c7c58a494c771a3d50e74d2
SHA256

011489b76d970cc3058700d66e2810e20ca08bb14c210b12e8a70a1f292c0606
SHA512

9546759694bee449d63a21cd2f7f67f120ecb8c754f5487b9c1939bd6acfe37db3e08ecb4bad20107cedb58209eddf49b222777743b23014c2b512127ab5c1e3
SSDEEP

12288:8w5V9k8fGh8v8KY66qkR3YSbWw2LXZQOMYxmWYgeWYg955/155/CnSqJpZtddG:8w5V9k8fGh8UKH6qkR3YS/2LJrMYxwSv

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
CrystalFree.exe

Files

CrystalFree.exe
.exe windows:6 windows x64

Password: 123

0675852c8f5645a56826c40af0f34052

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

CloseHandle
DeleteCriticalSection
GetCurrentProcessId
SetConsoleTitleA
WaitForSingleObject
Sleep
DeleteFileA
GetExitCodeProcess
GetCurrentThreadId
IsProcessorFeaturePresent
TerminateProcess
GetLastError
InitializeCriticalSectionEx
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
InitializeSListHead
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
OutputDebugStringW
IsDebuggerPresent
GetModuleHandleW
QueryPerformanceFrequency
QueryPerformanceCounter
SetLastError
GetSystemTimeAsFileTime

user32

MessageBoxA

advapi32

GetUserNameA

shell32

ShellExecuteExA

msvcp140

??Bid@locale@std@@QEAA_KXZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Xinvalid_argument@std@@YAXPEBD@Z
?uncaught_exceptions@std@@YAHXZ
_Thrd_id
_Mtx_init_in_situ
_Mtx_destroy_in_situ
_Mtx_lock
_Mtx_unlock
?_Throw_C_error@std@@YAXH@Z
_Strcoll
_Strxfrm
??0_Locinfo@std@@QEAA@PEBD@Z
??1_Locinfo@std@@QEAA@XZ
?_Getcoll@_Locinfo@std@@QEBA?AU_Collvec@@XZ
?c_str@?$_Yarn@D@std@@QEBAPEBDXZ
??0facet@locale@std@@IEAA@_K@Z
??1facet@locale@std@@MEAA@XZ
?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z
?tolower@?$ctype@D@std@@QEBADD@Z
?tolower@?$ctype@D@std@@QEBAPEBDPEADPEBD@Z
??Bios_base@std@@QEBA_NXZ
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD0@Z
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
??_D?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?_Xbad_function_call@std@@YAXXZ
?_Xregex_error@std@@YAXW4error_type@regex_constants@1@@Z
?_Incref@facet@locale@std@@UEAAXXZ
?_Decref@facet@locale@std@@UEAAPEAV_Facet_base@3@XZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?seekpos@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA?AV?$fpos@U_Mbstatet@@@2@V32@H@Z
?seekoff@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA?AV?$fpos@U_Mbstatet@@@2@_JHH@Z
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?underflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?pbackfail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHH@Z
?overflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHH@Z
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?id@?$collate@D@std@@2V0locale@2@A
?set_new_handler@std@@YAP6AXXZP6AXXZ@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?id@?$ctype@D@std@@2V0locale@2@A
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Xout_of_range@std@@YAXPEBD@Z
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??0_Lockit@std@@QEAA@H@Z
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??1_Lockit@std@@QEAA@XZ
?good@ios_base@std@@QEBA_NXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Xbad_alloc@std@@YAXXZ
?uncaught_exception@std@@YA_NXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A

urlmon

URLDownloadToFileA

ws2_32

WSASocketW
WSAGetLastError
WSACleanup
WSAStartup
socket
shutdown
setsockopt
freeaddrinfo
select
recv
ntohs
getsockname
getpeername
ioctlsocket
connect
closesocket
__WSAFDIsSet
getaddrinfo
getnameinfo
getsockopt
send

bcrypt

BCryptOpenAlgorithmProvider
BCryptCloseAlgorithmProvider
BCryptGenRandom

vcruntime140_1

__CxxFrameHandler4

vcruntime140

memchr
_CxxThrowException
__current_exception_context
__std_type_info_name
__current_exception
memset
memmove
memcpy
memcmp
_purecall
__std_type_info_compare
__std_terminate
__std_exception_copy
__std_exception_destroy
strchr
__C_specific_handler

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

_aligned_malloc
_callnewh
realloc
_set_new_mode
_aligned_free
malloc
free

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

_stricmp
tolower
isdigit
strlen
strcmp
strncmp

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

__p___argc
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
_crt_atexit
_register_onexit_function
_initterm_e
_initialize_narrow_environment
_invalid_parameter_noinfo
_initterm
_cexit
_exit
_configure_narrow_argv
_set_app_type
_errno
exit
terminate
_invalid_parameter_noinfo_noreturn
system
_initialize_onexit_table
_seh_filter_exe
_get_initial_narrow_environment

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

__stdio_common_vsprintf
feof
_set_fmode
__p__commode
_pclose
fgets
_popen

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

__setusermatherr
_dtest
_dsign

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

rand
_byteswap_ulong

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

strtol
strtoll
strtod
strtoull
strtoul

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

_configthreadlocale
localeconv

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

_time64

Sections

.text
Size: 405KB - Virtual size: 404KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 145KB - Virtual size: 144KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 23KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 488B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
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: 123

0675852c8f5645a56826c40af0f34052

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

msvcp140

urlmon

ws2_32

bcrypt

vcruntime140_1

vcruntime140

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

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

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

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

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

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

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

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

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

Sections

.text Size: 405KB - Virtual size: 404KB

.rdata Size: 145KB - Virtual size: 144KB

.data Size: 23KB - Virtual size: 29KB

.pdata Size: 17KB - Virtual size: 17KB

.rsrc Size: 512B - Virtual size: 488B

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

.text
Size: 405KB - Virtual size: 404KB

.rdata
Size: 145KB - Virtual size: 144KB

.data
Size: 23KB - Virtual size: 29KB

.pdata
Size: 17KB - Virtual size: 17KB

.rsrc
Size: 512B - Virtual size: 488B

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