Static task
static1
Behavioral task
behavioral1
Sample
RVDR.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
RVDR.exe
Resource
win10v2004-20230703-en
General
-
Target
RVDR.exe
-
Size
577KB
-
MD5
85284f1190f89ca53665cf084a4c4868
-
SHA1
1fb76de3869d6901a197aa32451ac6f1b51c79a8
-
SHA256
76e58da6f2ddfdb5d50a2e7aa9748236e3944a6771f8c18174e1fecf26c69c01
-
SHA512
ea491b705f95ab0051441113518a88321c3c7a75ce4f4aa0ee56092ec18543b24b33a16e27ed1df5942d9b2f6c122202835585f4690d501e0c54f47936697ea8
-
SSDEEP
3072:mVnK7d2vrAtz8F4cSHT2srXInmncNmLvWDODNjb:mp4d2TAqFJSPjb
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource RVDR.exe
Files
-
RVDR.exe.exe windows x86
b040333648ec8f8e978da6594e9d6b20
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
SetConsoleTitleA
CreateDirectoryA
ReadFile
WriteFile
SetFileTime
SetFilePointer
GetCurrentDirectoryA
LocalFileTimeToFileTime
GetFileAttributesA
CreateFileA
CloseHandle
SystemTimeToFileTime
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
UnhandledExceptionFilter
user32
wsprintfA
msvcp140
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@D@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEDD@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QBE?AVlocale@2@XZ
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEXPAD00@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEXXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEXPAPAD0PAH001@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PAD1AAPAD@Z
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IAE@XZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
?_Xlength_error@std@@YAXPBD@Z
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UAE@XZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z
?peek@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEHXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAV01@AAV01@@Z@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@PBD_J@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UAE@XZ
?always_noconv@codecvt_base@std@@QBE_NXZ
??Bid@locale@std@@QAEIXZ
?_Fiopen@std@@YAPAU_iobuf@@PBDHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_BADOFF@std@@3_JB
?_Xout_of_range@std@@YAXPBD@Z
?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ
??1_Lockit@std@@QAE@XZ
??0_Lockit@std@@QAE@H@Z
?uncaught_exceptions@std@@YAHXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
wininet
InternetCloseHandle
InternetReadFile
InternetOpenA
InternetOpenUrlA
vcruntime140
memset
_except_handler4_common
memmove
__std_exception_destroy
__CxxFrameHandler3
__std_terminate
_CxxThrowException
__std_exception_copy
memchr
memcpy
api-ms-win-crt-stdio-l1-1-0
fwrite
__p__commode
fgetc
_fseeki64
fclose
fflush
fputc
fsetpos
ungetc
setvbuf
fgetpos
_set_fmode
_get_stream_buffer_pointers
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
remove
_lock_file
api-ms-win-crt-runtime-l1-1-0
exit
_exit
_errno
__p___argc
__p___argv
_initterm_e
_c_exit
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_invalid_parameter_noinfo
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_controlfp_s
_invalid_parameter_noinfo_noreturn
_configure_narrow_argv
_set_app_type
_seh_filter_exe
terminate
_cexit
_register_thread_local_exe_atexit_callback
api-ms-win-crt-convert-l1-1-0
atoi
api-ms-win-crt-heap-l1-1-0
free
calloc
malloc
_callnewh
_set_new_mode
api-ms-win-crt-multibyte-l1-1-0
_mbsstr
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 46KB - Virtual size: 46KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 18KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 508KB - Virtual size: 508KB
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