Static task
static1
Behavioral task
behavioral1
Sample
CertEnrollCtrl.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
CertEnrollCtrl.exe
Resource
win10v2004-20230220-en
General
-
Target
CertEnrollCtrl.exe
-
Size
37KB
-
MD5
adfa42511ad14c1ca6af8cd5de40d494
-
SHA1
78cbe6872117cd231340766c2a5e9a4b7484d12c
-
SHA256
6dc63df0e36418ee9f67c544e63bc2d1161460737cad73e52cded066c5ac2ba8
-
SHA512
a461b2fbf40786ace0070053493937c6dab9266b7fa4069570709f6800d1a8c9f46b2e127bb2bd3188652b9a618c81f8c0a0cd6548aea011e9ce3b519bc27379
-
SSDEEP
768:jn3gulUR58ia9fjJa9xuY0pJ07JKj4Qh/xJ57CZFfkT+j:z35+R+7Ja9cYoJ07Jhw/n0ZJkT+j
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource CertEnrollCtrl.exe
Files
-
CertEnrollCtrl.exe.exe windows x86
5b8e1455454cdaf58cd7ce3dd83ba3d7
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
msvcrt
_cexit
_exit
_XcptFilter
__setusermatherr
_initterm
_wcmdln
?terminate@@YAXXZ
_controlfp
_except_handler4_common
_lock
_unlock
__dllonexit
_onexit
exit
__set_app_type
__wgetmainargs
_amsg_exit
__p__commode
__p__fmode
__CxxFrameHandler3
?_set_se_translator@@YAP6AXIPAU_EXCEPTION_POINTERS@@@ZP6AXI0@Z@Z
strcspn
fprintf
wcscspn
fflush
fclose
fopen
_errno
_wgetenv
fseek
ftell
fwrite
_vsnwprintf
strchr
getenv
_vsnprintf
iswxdigit
iswdigit
_wcsnicmp
??3@YAXPAX@Z
_purecall
malloc
_wcsicmp
wcsncmp
_callnewh
??0exception@@QAE@ABQBD@Z
??0exception@@QAE@ABQBDH@Z
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
?what@exception@@UBEPBDXZ
_CxxThrowException
memcpy
memmove
??1type_info@@UAE@XZ
memset
certca
ord707
ord847
ord705
ord841
ord842
ord823
ord840
ord802
ord839
api-ms-win-core-synch-l1-2-0
Sleep
api-ms-win-core-processthreads-l1-1-0
GetStartupInfoW
GetCurrentProcessId
GetCurrentProcess
TerminateProcess
GetCurrentThreadId
api-ms-win-core-errorhandling-l1-1-0
GetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
SetLastError
api-ms-win-core-libraryloader-l1-2-0
LoadResource
LockResource
FreeLibrary
LoadLibraryExW
LoadStringW
FindResourceExW
GetProcAddress
GetModuleHandleW
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-sysinfo-l1-1-0
GetTickCount
GetSystemTimeAsFileTime
GetVersionExW
GetLocalTime
GetSystemTime
api-ms-win-core-heap-l1-1-0
GetProcessHeap
HeapFree
HeapAlloc
api-ms-win-core-heap-l2-1-0
LocalAlloc
LocalReAlloc
LocalFree
api-ms-win-core-synch-l1-1-0
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
InitializeCriticalSection
api-ms-win-core-timezone-l1-1-0
SystemTimeToFileTime
FileTimeToSystemTime
api-ms-win-core-file-l1-1-0
CompareFileTime
DeleteFileW
CreateFileW
FileTimeToLocalFileTime
GetFullPathNameW
GetTempFileNameW
api-ms-win-core-debug-l1-1-0
OutputDebugStringA
api-ms-win-core-string-l1-1-0
WideCharToMultiByte
CompareStringW
MultiByteToWideChar
api-ms-win-core-processenvironment-l1-1-0
SearchPathW
GetCommandLineW
api-ms-win-core-localization-l1-2-0
GetLocaleInfoW
GetACP
GetLocaleInfoEx
api-ms-win-core-registry-l1-1-0
RegOpenKeyExW
RegQueryValueExW
RegCloseKey
api-ms-win-core-handle-l1-1-0
CloseHandle
api-ms-win-core-memory-l1-1-0
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
api-ms-win-core-libraryloader-l1-2-1
FindResourceW
api-ms-win-core-datetime-l1-1-0
GetDateFormatW
GetTimeFormatW
certenroll
ord20
api-ms-win-core-localization-l1-2-2
LCIDToLocaleName
api-ms-win-core-localization-obsolete-l1-2-0
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
Sections
.text Size: 27KB - Virtual size: 26KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 5KB - Virtual size: 4KB
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: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ