Static task
static1
Behavioral task
behavioral1
Sample
winexesvc.exe
Resource
win10-20240404-en
General
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Target
winexesvc.exe
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Size
27KB
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MD5
45d842da37b7c39bf932924a4640cf9a
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SHA1
14486b1ccf9ccc07d23e6c7be3a3fe498d6732fa
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SHA256
99d158cb9890c51637cb995dbdbeb91e890f8867d0d4d3c4e181f7d774861fe4
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SHA512
0a3c1f68b6b424d56964ecae88a450aff78dc34608e85470d7ce58782357754a01e362c4ad9df89a6a679d6e0d53da77df67dcb01dfe64f4bc9c30b640fa852e
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SSDEEP
384:FvNGT8ezJ5+VViLriO1gbP5I6B+P6/N7mNoW5KE83iNKLr60nmyuQcej:FvS8ezJ5CViviO1u+SdKOjP60nmyXc
Malware Config
Signatures
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Winexe tool used by Sofacy APT in several incidents 1 IoCs
resource yara_rule sample winexe_remote_execution -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource winexesvc.exe
Files
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winexesvc.exe.exe windows:4 windows x64 arch:x64
03de7552640f03c644f177a094a3d6a8
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Imports
advapi32
AllocateAndInitializeSid
CreateProcessAsUserA
DuplicateTokenEx
GetUserNameA
ImpersonateNamedPipeClient
InitializeSecurityDescriptor
LogonUserA
OpenProcessToken
OpenThreadToken
RegisterServiceCtrlHandlerA
RevertToSelf
SetEntriesInAclA
SetSecurityDescriptorDacl
SetServiceStatus
StartServiceCtrlDispatcherA
kernel32
CloseHandle
ConnectNamedPipe
CreateEventA
CreateNamedPipeA
CreateThread
DeleteCriticalSection
DisconnectNamedPipe
EnterCriticalSection
FlushFileBuffers
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetExitCodeProcess
GetLastError
GetOEMCP
GetOverlappedResult
GetStartupInfoA
GetSystemTimeAsFileTime
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
LocalAlloc
QueryPerformanceCounter
ReadFile
ResetEvent
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetHandleInformation
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WriteFile
msvcrt
__C_specific_handler
__dllonexit
__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_fmode
_initterm
_lock
_onexit
_unlock
_vsnprintf
abort
atoi
calloc
exit
fclose
fopen
fprintf
free
fwrite
malloc
memcpy
memset
signal
sprintf
strchr
strlen
strncmp
strstr
vfprintf
_strdup
userenv
LoadUserProfileA
Sections
.text Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 288B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 1024B - Virtual size: 756B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 1024B - Virtual size: 672B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 2KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 104B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 104B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE