Static task
static1
Behavioral task
behavioral1
Sample
winexesvc.exe
Resource
win10v2004-20240508-en
General
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Target
winexesvc.exe
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Size
25KB
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MD5
839757158f59f52c9d0c78ddeddc825b
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SHA1
c8f5280a6c2207eb28ad2e96c88ec6662ec55801
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SHA256
7ed2557715777ed50b69ee8691b50e355c10302774609a4d9d620ed787b1e611
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SHA512
9cb2e12b72feda8c599d5caf374376873d8b09cb672bf8982576dc731c58ff43a80eda62137e2d1750e18573b32544ccace2adf27e549828ced53497b52dae22
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SSDEEP
384:khTM2uzcfKAl8kD/XuTssGIi/59XU3QXXtuWA7yuQceX:khT5jKGdrtJ9aUfCyXc
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
0250d7ef9bb853b5674d3bb3d93db12a
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
signal
sprintf
strchr
strlen
strncmp
strstr
vfprintf
_strdup
userenv
LoadUserProfileA
Sections
.text Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 224B
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: 672B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 1024B - Virtual size: 628B
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