Behavioral task
behavioral1
Sample
456d7d818d0a9ef69e10d36ceca776d0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
456d7d818d0a9ef69e10d36ceca776d0N.exe
Resource
win10v2004-20240802-en
General
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Target
456d7d818d0a9ef69e10d36ceca776d0N
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Size
20KB
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MD5
456d7d818d0a9ef69e10d36ceca776d0
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SHA1
682f3a64983cb19df291f517e0becbf8f30b7426
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SHA256
997a7297c0f1be47fd67b520a5b6bfcb90b43555d70e22dcb225e12d6108afb2
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SHA512
8755a47213f412213bcbed59c4842612f6c12c87f445b2dc89f292cbc99ce68c57591bf61b1719eb70a41a3e14f20dbaaf208b9097f60f923ebc3d4144660605
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SSDEEP
384:e852I1DiUz1leXZkODB4u0dwqUezdmiKkYr32:p2YDnz1lp2mfwqUImiKkYC
Malware Config
Signatures
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resource yara_rule sample RazrRansomware -
resource yara_rule sample RazrRansomwarev2 -
Razr family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 456d7d818d0a9ef69e10d36ceca776d0N
Files
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456d7d818d0a9ef69e10d36ceca776d0N.exe windows:6 windows x64 arch:x64
578972aceffeeb9ffb0489d774f6c5a1
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
CryptGenKey
CryptSetKeyParam
CheckTokenMembership
FreeSid
CryptDestroyHash
CryptHashData
CryptDeriveKey
CryptCreateHash
CryptExportKey
AllocateAndInitializeSid
CryptGenRandom
CryptEncrypt
CryptAcquireContextA
CryptDestroyKey
shell32
ShellExecuteExA
bcrypt
BCryptCloseAlgorithmProvider
BCryptGenRandom
BCryptOpenAlgorithmProvider
wininet
InternetOpenA
InternetCloseHandle
HttpSendRequestA
InternetConnectA
HttpOpenRequestA
kernel32
GetModuleHandleW
IsProcessorFeaturePresent
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
ReadFile
GetModuleFileNameA
FindFirstFileA
WriteFile
FindNextFileA
ExpandEnvironmentStringsA
FindClose
CreateFileA
DeleteFileA
CloseHandle
GetFileSize
QueryPerformanceCounter
GetCurrentProcessId
vcruntime140
strrchr
__C_specific_handler
memcpy
__current_exception_context
memset
__current_exception
api-ms-win-crt-runtime-l1-1-0
exit
_crt_atexit
_register_onexit_function
_set_app_type
_configure_narrow_argv
_initialize_narrow_environment
_get_narrow_winmain_command_line
_initterm
_initterm_e
_exit
_cexit
_c_exit
_register_thread_local_exe_atexit_callback
_initialize_onexit_table
_seh_filter_exe
terminate
api-ms-win-crt-stdio-l1-1-0
__stdio_common_vsprintf
__stdio_common_vfprintf
fclose
fopen
_set_fmode
__p__commode
api-ms-win-crt-string-l1-1-0
_stricmp
strncmp
api-ms-win-crt-heap-l1-1-0
malloc
free
_set_new_mode
api-ms-win-crt-environment-l1-1-0
getenv
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1024B - Virtual size: 528B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 224B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ