winserver[.]exe

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General

Target

winserver.exe
Size

13KB
MD5

4952f7d5dbfdd54e151d6cd75afcc930
SHA1

6c435a541ded1f138ca3eacac38136e0173477f2
SHA256

5027e50a930fe5890e729194116e23a12f3109606346941c6f932008fa1829f2
SHA512

1aa7956a1240ea7e928134743d293bca8b97634018c15cb8ef311c69bb9c4149bf5a42cd3fbe07d8c9173b7252ab61a52e3029a8939a0e273dc1af63d7ccacb2
SSDEEP

192:88EkmyjZ8fjTVfFaCZ7AamqnrAgVhl3Q5tfDXU/tr:8Cmy27jZ7AWR3e0r

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
winserver.exe

Files

winserver.exe
.exe windows:6 windows x64 arch:x64

07e4d3f8fedafc070f7b31eddac6ba20

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

kernel32

HeapCreate
HeapAlloc
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetModuleHandleW
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
RtlCaptureContext

user32

EnumChildWindows

vcruntime140

__C_specific_handler
__current_exception
__current_exception_context
memset
memcpy

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

_strrev

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

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

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

__setusermatherr

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

__p__commode
_set_fmode

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

_configthreadlocale

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

_set_new_mode

Sections

.text
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 408B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 44B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

07e4d3f8fedafc070f7b31eddac6ba20

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

vcruntime140

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

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

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

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

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

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

Sections

.text Size: 4KB - Virtual size: 3KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 512B - Virtual size: 1KB

.pdata Size: 512B - Virtual size: 408B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 44B

.text
Size: 4KB - Virtual size: 3KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 512B - Virtual size: 408B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 44B