smert | smert[.]exe

Resubmissions

24-08-2024 21:59

240824-1v7z6ateqk 10

28-07-2024 20:08

240728-ywzztswdnb 9

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General

Target

smert.exe
Size

20KB
MD5

9741dc2a48ef315a5032a3190c6a9752
SHA1

595cfcf134ac6a97a75407350b509ad37666d546
SHA256

419b6c03a01ad10354c6f70c9077d0bc97a04ca03d0e39748823c8d604da7fe2
SHA512

a8f26e08cdb7078f51f716014499f4af3f0be2ed057cbc3f67da38120d69534ff05a010ab8879ec5bfc692caac7db6f47e777d701d733a6cda307aaddb70cb6f
SSDEEP

384:asaFiLCCr05Sx158JLLU4Act6GoMZOaB8BYsszReS:aPwXl1585LUNGoMZOXszR

Score

10^/10

ransomware smert

Malware Config

Signatures

Smert Ransomware 1 IoCs

Detects Smert Ransomware.

ransomware

resource	yara_rule
sample	SmertRansomware

Smert family
smert

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
smert.exe

Files

smert.exe
.exe windows:6 windows x64 arch:x64

6b229c4aa1aae59badf58a0f6071a347

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

CryptReleaseContext
CryptSetKeyParam
CheckTokenMembership
FreeSid
CryptDestroyHash
CryptHashData
CryptDeriveKey
CryptCreateHash
AllocateAndInitializeSid
CryptGenRandom
CryptEncrypt
CryptAcquireContextA
CryptDestroyKey

shell32

ShellExecuteExA
SHGetKnownFolderPath
ShellExecuteA

ole32

CoTaskMemFree

wininet

InternetCloseHandle
InternetOpenA
HttpOpenRequestA
HttpSendRequestA
InternetConnectA

kernel32

IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetModuleFileNameA
CloseThreadpool
CreateThreadpool
FindFirstFileA
GetDriveTypeA
FindNextFileA
FindClose
CloseThreadpoolCleanupGroup
CloseThreadpoolCleanupGroupMembers
Sleep
GetLastError
CreateThreadpoolCleanupGroup
SubmitThreadpoolWork
CreateThreadpoolWork
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
GetModuleHandleW

vcruntime140

memset
__C_specific_handler
strstr
__current_exception
strrchr
__current_exception_context
memcpy

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

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

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

srand
rand

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

fopen
fread
__p__commode
feof
__acrt_iob_func
fclose
__stdio_common_vsprintf
fwrite
__stdio_common_vfprintf
_set_fmode

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

remove
_stat64i32

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

_stricmp
_strdup

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

wcstombs

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

_time64

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

malloc
free
_set_new_mode

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

__setusermatherr

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

_configthreadlocale

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 756B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

6b229c4aa1aae59badf58a0f6071a347

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

shell32

ole32

wininet

kernel32

vcruntime140

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

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

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

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

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

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

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

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

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

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

Sections

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

.rdata Size: 7KB - Virtual size: 6KB

.data Size: 1KB - Virtual size: 2KB

.pdata Size: 1024B - Virtual size: 756B

.reloc Size: 512B - Virtual size: 48B

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

.rdata
Size: 7KB - Virtual size: 6KB

.data
Size: 1KB - Virtual size: 2KB

.pdata
Size: 1024B - Virtual size: 756B

.reloc
Size: 512B - Virtual size: 48B