windrv[.]exe | Triage

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General

Target

windrv.exe
Size

11KB
MD5

3cb61ce448a806e79ce88d06e992cc9d
SHA1

0a5e460360364f1b5799df7a2168892c04156bca
SHA256

c2dcdab49f620d41cdff93c58a50c760906ea2565001145564a1491defec08f4
SHA512

4d36781c5986a89d3bea470341223245abbd5e71de8233f2b0a969f0a258dda908588efef34fb354684760c631acb723711108e58ec3d068222ffe692d121380
SSDEEP

192:d6eQ8BFOXpVfXfGhegWJJfxMLkWScZqYSi/HB6U:d6eQ8nAnOgDTxMQWSc9/6U

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
windrv.exe

Files

windrv.exe
.exe windows:5 windows x86 arch:x86

38ca2cef077b08d131c2be3bfd70789c

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

msvcr90

_invoke_watson
_except_handler4_common
memset
_decode_pointer
_onexit
_lock
__dllonexit
_unlock
?terminate@@YAXXZ
_crt_debugger_hook
__set_app_type
_encode_pointer
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_configthreadlocale
_initterm_e
_initterm
_acmdln
exit
_ismbblead
_XcptFilter
_exit
_cexit
__getmainargs
_amsg_exit
wcscmp
wcslen
srand
rand
_controlfp_s

urlmon

URLDownloadToFileW

wininet

InternetOpenUrlW
HttpQueryInfoA
InternetReadFile
InternetOpenA
InternetOpenUrlA
InternetCloseHandle
InternetOpenW

shlwapi

PathFindFileNameW
PathFileExistsW

kernel32

CreateMutexA
GetLastError
ExitProcess
GetModuleFileNameW
CopyFileW
SetFileAttributesW
GetTickCount
ExpandEnvironmentStringsW
CreateFileW
WriteFile
InterlockedExchange
DeleteFileW
CreateProcessW
Sleep
SetUnhandledExceptionFilter
IsDebuggerPresent
QueryPerformanceCounter
GetCurrentThreadId
GetCurrentProcessId
GetCurrentProcess
GetSystemTimeAsFileTime
InterlockedCompareExchange
GetStartupInfoA
CloseHandle
UnhandledExceptionFilter
TerminateProcess

user32

wsprintfW

advapi32

RegSetValueExW
RegCloseKey
RegOpenKeyExW

shell32

ShellExecuteW

Sections

.text
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 936B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 688B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 644B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

38ca2cef077b08d131c2be3bfd70789c

Headers

DLL Characteristics

File Characteristics

Imports

msvcr90

urlmon

wininet

shlwapi

kernel32

user32

advapi32

shell32

Sections

.text Size: 4KB - Virtual size: 4KB

.rdata Size: 3KB - Virtual size: 3KB

.data Size: 512B - Virtual size: 936B

.rsrc Size: 1024B - Virtual size: 688B

.reloc Size: 1024B - Virtual size: 644B

.text
Size: 4KB - Virtual size: 4KB

.rdata
Size: 3KB - Virtual size: 3KB

.data
Size: 512B - Virtual size: 936B

.rsrc
Size: 1024B - Virtual size: 688B

.reloc
Size: 1024B - Virtual size: 644B