Static task
static1
Behavioral task
behavioral1
Sample
fovchanger.dll
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
fovchanger.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
load.exe
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
load.exe
Resource
win10v2004-20240508-en
General
-
Target
Nepotrjeno 887165.crdownload
-
Size
244KB
-
MD5
45f5c6a069c84c690ef6d6278d44fb19
-
SHA1
b152919f718bab7da9f12ca579ecfbbe4cdac33c
-
SHA256
02835893da82c39d6a382a3e1b6f148716633670dbe109cea4a836be02dbaff9
-
SHA512
b64c090597538610a072965628c13d9c990d7f6116f6b170cc37e95d600f6f7d566ad63eecf6fd27d8f2b7fe391fd103755db60124f6299f92620c04e129db33
-
SSDEEP
6144:miAzjLqKUMzSSbWu3h5htqBtkM6J1NinzplNTJ4X:LWjZpbhx5as1gnzpvJW
Malware Config
Signatures
-
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/fovchanger.dll unpack001/load.exe
Files
-
Nepotrjeno 887165.crdownload.zip
-
fovchanger.dll.dll windows:6 windows x64 arch:x64
4cd574c3ac82e38d2a725f03929d4ed5
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
Imports
kernel32
GetProcAddress
QueryPerformanceCounter
GetCurrentProcess
WriteFile
GetModuleFileNameW
GetTimeFormatA
CreateFileW
FreeLibraryAndExitThread
GetCurrentThreadId
GetModuleHandleA
Sleep
CloseHandle
K32GetModuleInformation
CreateThread
GetSystemTime
DisableThreadLibraryCalls
QueryPerformanceFrequency
FormatMessageA
LocalFree
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentProcessId
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetModuleHandleW
GlobalUnlock
WideCharToMultiByte
GlobalLock
GlobalAlloc
GlobalFree
MultiByteToWideChar
CreateEventW
WaitForSingleObjectEx
ResetEvent
SetEvent
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
AreFileApisANSI
GetLastError
user32
SetCursorPos
GetAsyncKeyState
CallWindowProcA
DefWindowProcA
GetCursorPos
SetWindowLongPtrA
GetKeyState
OpenClipboard
LoadCursorA
CloseClipboard
EmptyClipboard
SetClipboardData
GetClipboardData
ReleaseCapture
GetClientRect
SetCursor
SetCapture
GetForegroundWindow
IsChild
ClientToScreen
GetCapture
ScreenToClient
imm32
ImmSetCompositionWindow
ImmReleaseContext
ImmGetContext
d3dcompiler_47
D3DCompile
msvcp140
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Syserror_map@std@@YAPEBDH@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Winerror_map@std@@YAHH@Z
?_Xout_of_range@std@@YAXPEBD@Z
ntdll
NtFreeVirtualMemory
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
NtSetContextThread
NtProtectVirtualMemory
NtClose
NtAllocateVirtualMemory
NtSuspendThread
NtQuerySystemInformation
NtQueryVirtualMemory
NtFlushInstructionCache
NtGetContextThread
NtOpenThread
NtResumeThread
vcruntime140_1
__CxxFrameHandler4
vcruntime140
memcpy
__std_type_info_destroy_list
_CxxThrowException
memset
__C_specific_handler
__current_exception_context
__current_exception
memchr
__std_exception_destroy
strstr
__std_exception_copy
memmove
memcmp
api-ms-win-crt-stdio-l1-1-0
__acrt_iob_func
fflush
fclose
ftell
fwrite
_wfopen
__stdio_common_vsprintf
__stdio_common_vsscanf
fseek
fread
api-ms-win-crt-string-l1-1-0
strncpy
strcmp
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-heap-l1-1-0
_callnewh
malloc
free
api-ms-win-crt-convert-l1-1-0
atof
api-ms-win-crt-math-l1-1-0
powf
sinf
sqrtf
logf
fmodf
cosf
acosf
api-ms-win-crt-runtime-l1-1-0
_seh_filter_dll
_initterm_e
_initterm
terminate
_invalid_parameter_noinfo_noreturn
_initialize_narrow_environment
_crt_atexit
_initialize_onexit_table
_execute_onexit_table
_register_onexit_function
_cexit
_configure_narrow_argv
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
Sections
.text Size: 229KB - Virtual size: 229KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 324KB - Virtual size: 323KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 10KB - Virtual size: 10KB
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: 296B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
load.exe.exe windows:6 windows x64 arch:x64
5667d681157e1f73c73574f5db01a4d1
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
Process32Next
CloseHandle
LoadLibraryW
CreateToolhelp32Snapshot
LocalFree
CreateRemoteThread
VirtualFreeEx
OpenProcess
WaitForSingleObject
Module32Next
VirtualAllocEx
WriteProcessMemory
GetFileAttributesExW
FindNextFileW
FindFirstFileExW
FindClose
CreateFileW
FormatMessageA
AreFileApisANSI
GetLastError
GetFileInformationByHandleEx
GetModuleHandleW
MultiByteToWideChar
WideCharToMultiByte
RtlCaptureContext
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
advapi32
SetNamedSecurityInfoW
GetNamedSecurityInfoW
ConvertStringSidToSidW
SetEntriesInAclW
msvcp140
?_Winerror_map@std@@YAHH@Z
?_Xout_of_range@std@@YAXPEBD@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Syserror_map@std@@YAPEBDH@Z
vcruntime140_1
__CxxFrameHandler4
vcruntime140
memset
_CxxThrowException
__C_specific_handler
memmove
__std_exception_copy
__std_exception_destroy
memcpy
__current_exception
__current_exception_context
__std_terminate
api-ms-win-crt-heap-l1-1-0
_set_new_mode
free
_callnewh
malloc
api-ms-win-crt-stdio-l1-1-0
__acrt_iob_func
__p__commode
__stdio_common_vfprintf
_set_fmode
api-ms-win-crt-runtime-l1-1-0
terminate
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_seh_filter_exe
_invalid_parameter_noinfo_noreturn
_c_exit
_cexit
__p___wargv
__p___argc
_set_app_type
_exit
exit
_initterm_e
_initterm
_get_initial_wide_environment
_initialize_wide_environment
_configure_wide_argv
_register_thread_local_exe_atexit_callback
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
_configthreadlocale
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-string-l1-1-0
strcmp
Sections
.text Size: 23KB - Virtual size: 22KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 2KB - Virtual size: 1KB
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: 168B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ