vcredist[.]exe

Sharing

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General

Target

vcredist.exe
Size

1.8MB
MD5

bf3ee470a548a5a6e5a83321be431977
SHA1

47b102e4ae60f59489cbe1b957ab52ad7ee89e95
SHA256

fb9f01de7ec5c8c99cdd8910ed36df34f94e3fd7c6c806812c6066e8254754ee
SHA512

5fb9d9f5079375cb77d8f14e589f2c63d7fdc6ebc3417d8d741bb15b7faa22d42dbb54f20fe249bbf72fd6bdc1fa2a74c716ef932b6dc6f52a94d13ab59662c9
SSDEEP

24576:D0RMQeSVjYif77MZ5vp3go3wzdP5FmuRBxQQn652lOtuLVIH06iy9FMa7:gK/SVj7j7KvpLwhP5j3brIU6is

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
vcredist.exe

Files

vcredist.exe
.exe windows:4 windows x64

09c447f3735c18a681d87d456e09b08f

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

DeleteCriticalSection
EnterCriticalSection
InitializeCriticalSection
LeaveCriticalSection
RaiseException
RtlUnwindEx
VirtualProtect
VirtualQuery
__C_specific_handler
AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
CloseHandle
CompareStringOrdinal
CreateFileMappingA
CreateFileW
CreateNamedPipeW
CreateProcessW
CreateThread
CreateToolhelp32Snapshot
CreateWaitableTimerExW
DeleteProcThreadAttributeList
DuplicateHandle
ExitProcess
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetConsoleMode
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetEnvironmentStringsW
GetEnvironmentVariableW
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFullPathNameW
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetProcessHeap
GetStdHandle
GetSystemDirectoryW
GetSystemTimeAsFileTime
GetTempPathW
GetWindowsDirectoryW
GlobalMemoryStatusEx
HeapAlloc
HeapFree
HeapReAlloc
InitOnceBeginInitialize
InitOnceComplete
InitializeProcThreadAttributeList
LoadLibraryA
MapViewOfFile
Module32FirstW
Module32NextW
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
ReadFileEx
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetHandleInformation
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SleepEx
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnmapViewOfFile
UpdateProcThreadAttribute
WaitForSingleObject
WriteConsoleW
WriteFileEx

msvcrt

__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_fmode
_fpreset
_initterm
_onexit
abort
calloc
exit
fprintf
free
fwrite
malloc
memcmp
memcpy
memmove
memset
signal
strlen
strncmp
vfprintf

advapi32

SystemFunction036

bcrypt

BCryptGenRandom

crypt32

CertCloseStore
CertDuplicateCertificateContext
CertEnumCertificatesInStore
CertFreeCertificateContext
CertGetEnhancedKeyUsage
CertOpenStore
CertVerifyTimeValidity

ntdll

NtReadFile
NtWriteFile
RtlNtStatusToDosError

ole32

CoCreateInstance
CoInitializeEx
CoInitializeSecurity
CoSetProxyBlanket

oleaut32

GetErrorInfo
SafeArrayAccessData
SafeArrayDestroy
SafeArrayGetLBound
SafeArrayGetUBound
SafeArrayUnaccessData
SysAllocStringLen
SysFreeString
SysStringLen
VariantClear

ws2_32

WSACleanup
WSADuplicateSocketW
WSAGetLastError
WSARecv
WSASend
WSASocketW
WSAStartup
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
getpeername
getsockname
getsockopt
ioctlsocket
listen
recv
select
send
setsockopt

Sections

.text
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 352B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 536KB - Virtual size: 536KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 704B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 112B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

09c447f3735c18a681d87d456e09b08f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

advapi32

bcrypt

crypt32

ntdll

ole32

oleaut32

ws2_32

Sections

.text Size: 1.2MB - Virtual size: 1.2MB

.data Size: 512B - Virtual size: 352B

.rdata Size: 536KB - Virtual size: 536KB

.pdata Size: 16KB - Virtual size: 16KB

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

.bss Size: - Virtual size: 704B

.idata Size: 6KB - Virtual size: 6KB

.CRT Size: 512B - Virtual size: 112B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 6KB - Virtual size: 5KB

.text
Size: 1.2MB - Virtual size: 1.2MB

.data
Size: 512B - Virtual size: 352B

.rdata
Size: 536KB - Virtual size: 536KB

.pdata
Size: 16KB - Virtual size: 16KB

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

.bss
Size: - Virtual size: 704B

.idata
Size: 6KB - Virtual size: 6KB

.CRT
Size: 512B - Virtual size: 112B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 6KB - Virtual size: 5KB