Static task
static1
Behavioral task
behavioral1
Sample
DLL Injector.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
DLL Injector.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
SanktumLoader.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
SanktumLoader.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
sanktum.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
sanktum.dll
Resource
win10v2004-20231215-en
General
-
Target
37e4c678a21c3c8573e7e60b096a29cf
-
Size
373KB
-
MD5
37e4c678a21c3c8573e7e60b096a29cf
-
SHA1
4484eb80de503c0aa13de0a5b77b938519ae484c
-
SHA256
4fb1b369da4a035c0df5051fca48c32e0cfffbb4051629b5a30a3d1251805527
-
SHA512
53c1f78e9ee5a76eb3cb303eb6fc5c19359606ff2b3f766f55e4120d2b8836396cc6e59a261a04b5e2e40f2ec60be7a8a161590c12585e001d1b81ab38455bb9
-
SSDEEP
6144:K2W0mDGVAIYRntXCCaReO6wth6QAy7nfXdstUpBv5BmvK6OVb2HwCu6skuYC5bgd:/W0IGWltyC4HtLnfuKpBBBmyTCu6Bwdk
Malware Config
Signatures
-
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/DLL Injector.exe unpack001/SanktumLoader.exe unpack001/sanktum.dll
Files
-
37e4c678a21c3c8573e7e60b096a29cf.rar
-
DLL Injector.exe.exe windows:6 windows x86 arch:x86
8d75d84c7c041e413150ec97126558b0
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
Process32First
WriteProcessMemory
SetConsoleTextAttribute
SetConsoleTitleA
GetStdHandle
GetFullPathNameA
GetModuleHandleA
OpenProcess
CreateToolhelp32Snapshot
Sleep
Process32Next
CloseHandle
GetProcAddress
VirtualAllocEx
CreateRemoteThread
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
UnhandledExceptionFilter
IsDebuggerPresent
GetModuleHandleW
msvcp140
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
vcruntime140
_except_handler4_common
memset
__std_terminate
__CxxFrameHandler3
api-ms-win-crt-stdio-l1-1-0
__stdio_common_vfscanf
__acrt_iob_func
__p__commode
_set_fmode
__stdio_common_vfprintf
api-ms-win-crt-runtime-l1-1-0
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
_initialize_onexit_table
__p___argv
_crt_atexit
_controlfp_s
terminate
_seh_filter_exe
__p___argc
_set_app_type
system
_exit
_register_onexit_function
_initterm_e
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
exit
api-ms-win-crt-filesystem-l1-1-0
_access
api-ms-win-crt-string-l1-1-0
_stricmp
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
api-ms-win-crt-heap-l1-1-0
_set_new_mode
Sections
.text Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 904B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 512B - Virtual size: 32B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
SanktumLoader.exe.exe windows:6 windows x86 arch:x86
d8d5ac8f99fa72008b2b979115e10797
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
TerminateProcess
IsProcessorFeaturePresent
GetCurrentProcess
SetUnhandledExceptionFilter
CreateDirectoryA
Sleep
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
UnhandledExceptionFilter
user32
FindWindowA
IsWindow
advapi32
RegOpenKeyA
RegQueryValueExA
shell32
ShellExecuteA
SHGetFolderPathA
ShellExecuteExA
msvcp140
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEDD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@D@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAV01@AAV01@@Z@Z
?_Xlength_error@std@@YAXPBD@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
urlmon
URLDownloadToFileA
vcruntime140
memmove
__std_terminate
_CxxThrowException
_except_handler4_common
memset
__CxxFrameHandler3
__std_exception_copy
__std_exception_destroy
memcpy
api-ms-win-crt-heap-l1-1-0
_callnewh
free
_set_new_mode
malloc
api-ms-win-crt-utility-l1-1-0
srand
rand
api-ms-win-crt-filesystem-l1-1-0
rename
api-ms-win-crt-time-l1-1-0
_time64
api-ms-win-crt-runtime-l1-1-0
_c_exit
_cexit
__p___argv
__p___argc
_register_onexit_function
_crt_atexit
_controlfp_s
terminate
_exit
_invalid_parameter_noinfo_noreturn
exit
_initterm_e
_initterm
_register_thread_local_exe_atexit_callback
_seh_filter_exe
_get_initial_narrow_environment
_configure_narrow_argv
_initialize_onexit_table
_set_app_type
_initialize_narrow_environment
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
Sections
.text Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1020B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 728B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
sanktum.dll.dll windows:6 windows x86 arch:x86
b6533521cb9c850c1da83b5edd3686c0
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
kernel32
WriteConsoleA
GetModuleHandleA
Sleep
GetCurrentProcessId
GetModuleHandleW
VirtualProtect
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
QueryPerformanceFrequency
QueryPerformanceCounter
DisableThreadLibraryCalls
CreateThread
FindFirstFileA
FindNextFileA
FindClose
WritePrivateProfileStringA
CreateDirectoryA
GetPrivateProfileStringA
GetProcAddress
CreateFileW
FindFirstFileExW
DeleteCriticalSection
GetFileAttributesExW
GetFileInformationByHandle
AreFileApisANSI
CloseHandle
GetLastError
SetLastError
MultiByteToWideChar
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
GetCurrentProcess
InitializeCriticalSection
GetTickCount
TerminateProcess
user32
FlashWindowEx
SetClipboardData
GetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard
MessageBoxA
SetCursorPos
ReleaseCapture
GetClientRect
SetCursor
SetCapture
LoadCursorW
GetForegroundWindow
CallWindowProcW
SetWindowLongW
GetCursorPos
IsChild
GetKeyState
ScreenToClient
GetCapture
ClientToScreen
shell32
SHGetFolderPathA
ShellExecuteW
msvcp140
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEPADXZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UAE@XZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UAE@XZ
?always_noconv@codecvt_base@std@@QBE_NXZ
??Bid@locale@std@@QAEIXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE_N_N@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEDD@Z
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
?_Throw_C_error@std@@YAXH@Z
_Cnd_do_broadcast_at_thread_exit
_Thrd_detach
?_Execute_once@std@@YAHAAUonce_flag@1@P6GHPAX1PAPAX@Z1@Z
?_Winerror_message@std@@YAKKPADK@Z
?_Winerror_map@std@@YAHH@Z
?_Syserror_map@std@@YAPBDH@Z
_Mtx_trylock
_Mtx_destroy_in_situ
_Mtx_lock
_Mtx_init_in_situ
_Mtx_unlock
?uncaught_exception@std@@YA_NXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEPAV12@PAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEXABVlocale@2@@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UAE@XZ
?_Xlength_error@std@@YAXPBD@Z
??1_Lockit@std@@QAE@XZ
??0_Lockit@std@@QAE@H@Z
?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ
?_Xinvalid_argument@std@@YAXPBD@Z
?_Xout_of_range@std@@YAXPBD@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IAE@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PAD1AAPAD@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEXXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QBE?AVlocale@2@XZ
?_Fiopen@std@@YAPAU_iobuf@@PBDHH@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ
?_Throw_Cpp_error@std@@YAXH@Z
d3dx9_43
D3DXCreateTextureFromFileInMemoryEx
D3DXCreateTextureFromFileA
wininet
InternetOpenA
InternetOpenUrlA
InternetCloseHandle
InternetReadFile
imm32
ImmSetCompositionWindow
ImmGetContext
ImmReleaseContext
xinput1_3
ord4
ord2
vcruntime140
memmove
memcpy
memchr
memset
_CxxThrowException
_except_handler4_common
__std_type_info_destroy_list
__CxxFrameHandler3
__std_terminate
_purecall
strstr
__std_exception_destroy
__std_exception_copy
api-ms-win-crt-runtime-l1-1-0
terminate
_cexit
_initterm
_seh_filter_dll
_configure_narrow_argv
_initterm_e
_errno
_initialize_narrow_environment
_crt_atexit
_initialize_onexit_table
_register_onexit_function
_beginthreadex
exit
_invalid_parameter_noinfo_noreturn
_execute_onexit_table
api-ms-win-crt-math-l1-1-0
remainderf
ceil
_libm_sse2_sqrt_precise
_CIatan2
_CIfmod
_libm_sse2_atan_precise
_libm_sse2_cos_precise
_libm_sse2_pow_precise
floor
fmaxf
_libm_sse2_sin_precise
api-ms-win-crt-stdio-l1-1-0
fopen_s
ftell
__stdio_common_vsnprintf_s
_fseeki64
fread
fsetpos
ungetc
setvbuf
fgetpos
fseek
__acrt_iob_func
fwrite
__stdio_common_vfprintf
_wfopen
fgetc
fclose
__stdio_common_vsprintf
fflush
fputc
__stdio_common_vsprintf_s
__stdio_common_vsscanf
_get_stream_buffer_pointers
api-ms-win-crt-convert-l1-1-0
atoi
strtod
strtol
atof
strtoul
api-ms-win-crt-filesystem-l1-1-0
_lock_file
remove
_unlock_file
api-ms-win-crt-string-l1-1-0
isprint
towlower
strncmp
strncpy
isdigit
api-ms-win-crt-utility-l1-1-0
rand
qsort
api-ms-win-crt-heap-l1-1-0
free
_callnewh
malloc
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
Sections
.text Size: 458KB - Virtual size: 458KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 238KB - Virtual size: 237KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 22KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ