Static task
static1
Behavioral task
behavioral1
Sample
mssecsvc_0c694193ceac8bfb016491ffb534eb7c.zip
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
mssecsvc_0c694193ceac8bfb016491ffb534eb7c.zip
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
mssecsvc.exe
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
mssecsvc.exe
Resource
win10v2004-20231215-en
General
-
Target
mssecsvc_0c694193ceac8bfb016491ffb534eb7c.zip
-
Size
3.4MB
-
MD5
c429ae0c4e3b0088968d6d74dc90e50d
-
SHA1
30b1e7861e4be3cc3495daf9ee4d38473e5adb64
-
SHA256
1bd50736a69035c57577b3534a88864b79b236b5b0e265051c41c150dd48ab81
-
SHA512
03cfb39455e6079444e26a5cdca9c0c5bfe318d4f7ad56db9a6010ea0d344de6f46399ab85e2a393931e7227148ffe1b254be478aaa63596a15fe29eb5f71d82
-
SSDEEP
98304:VtX/wzYnXX3DNqxSqmIMzoIYUMB0fnfhctep5H:V56gHBhI+PJh4o
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/mssecsvc.bin
Files
-
mssecsvc_0c694193ceac8bfb016491ffb534eb7c.zip.zip
Password: infected
-
mssecsvc.bin.exe windows:4 windows x86 arch:x86
9ecee117164e0b870a53dd187cdd7174
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
WaitForSingleObject
InterlockedIncrement
GetCurrentThreadId
GetCurrentThread
ReadFile
GetFileSize
CreateFileA
MoveFileExA
SizeofResource
TerminateThread
LoadResource
FindResourceA
GetProcAddress
GetModuleHandleW
ExitProcess
GetModuleFileNameA
LocalFree
LocalAlloc
CloseHandle
InterlockedDecrement
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
GlobalAlloc
GlobalFree
QueryPerformanceFrequency
QueryPerformanceCounter
GetTickCount
LockResource
Sleep
GetStartupInfoA
GetModuleHandleA
advapi32
StartServiceCtrlDispatcherA
RegisterServiceCtrlHandlerA
ChangeServiceConfig2A
SetServiceStatus
OpenSCManagerA
CreateServiceA
CloseServiceHandle
StartServiceA
CryptGenRandom
CryptAcquireContextA
OpenServiceA
ws2_32
closesocket
recv
send
htonl
ntohl
WSAStartup
inet_ntoa
ioctlsocket
select
htons
socket
connect
inet_addr
msvcp60
??1_Lockit@std@@QAE@XZ
??0_Lockit@std@@QAE@XZ
iphlpapi
GetAdaptersInfo
GetPerAdapterInfo
wininet
InternetOpenA
InternetOpenUrlA
InternetCloseHandle
msvcrt
__set_app_type
_stricmp
__p__fmode
__p__commode
_except_handler3
__setusermatherr
_initterm
__getmainargs
_acmdln
_adjust_fdiv
_controlfp
exit
_XcptFilter
_exit
_onexit
__dllonexit
free
??2@YAPAXI@Z
_ftol
sprintf
_endthreadex
strncpy
rand
_beginthreadex
__CxxFrameHandler
srand
time
__p___argc
Sections
.text Size: 36KB - Virtual size: 34KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 156KB - Virtual size: 3.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3.4MB - Virtual size: 3.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ