Nezur[.]exe | Triage

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General

Target

Nezur.exe
Size

1.1MB
MD5

fc62fee09c863661423a9f88a4230bcd
SHA1

f852428ae168abcac2c2fdca8c22c86941cbdbbc
SHA256

1f3739d107c7d693645e892c3f665cd074a5b719f644714d74562f476a1a24dd
SHA512

e2e3b001f1697f0a9b0db2cce9150132a75ae394b5c7fb1dd4a387550784ab9514f6f22d1a0860542f43bc0954c3244c216a61609523f4f4a2d105ade035b3dd
SSDEEP

24576:75RGFfvZpFu50AIIEUB4DQnx+GWgNvMyMFTSpkP+8D2D:752HZpJAFYQxBNvMPFTF+8Dc

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Nezur.exe

Files

Nezur.exe
.exe windows:6 windows x64

9554b5581ef8f7f995e1600487fbdd7b

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

opencv_world470

?convertTo@Mat@cv@@QEBAXAEBV_OutputArray@2@HNN@Z
??0Mat@cv@@QEAA@HHHPEAX_K@Z
?waitKey@cv@@YAHH@Z
??0Mat@cv@@QEAA@AEBV01@@Z
??4Mat@cv@@QEAAAEAV01@AEBV01@@Z
?format@cv@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PEBDZZ
?minMaxLoc@cv@@YAXAEBV_InputArray@1@PEAN1PEAV?$Point_@H@1@20@Z
?useOpenCL@ocl@cv@@YA_NXZ
?haveOpenCL@ocl@cv@@YA_NXZ
?setUseOpenCL@ocl@cv@@YAX_N@Z
?rectangle@cv@@YAXAEBV_InputOutputArray@1@V?$Point_@H@1@1AEBV?$Scalar_@N@1@HHH@Z
?blobFromImage@dnn4_v20221220@dnn@cv@@YAXAEBV_InputArray@3@AEBV_OutputArray@3@NAEBV?$Size_@H@3@AEBV?$Scalar_@N@3@_N4H@Z
?readNetFromDarknet@dnn4_v20221220@dnn@cv@@YA?AVNet@123@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z
?NMSBoxes@dnn4_v20221220@dnn@cv@@YAXAEBV?$vector@V?$Rect_@H@cv@@V?$allocator@V?$Rect_@H@cv@@@std@@@std@@AEBV?$vector@MV?$allocator@M@std@@@5@MMAEAV?$vector@HV?$allocator@H@std@@@5@MH@Z
??0Net@dnn4_v20221220@dnn@cv@@QEAA@XZ
??1Net@dnn4_v20221220@dnn@cv@@QEAA@XZ
?getLayerNames@Net@dnn4_v20221220@dnn@cv@@QEBA?AV?$vector@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$allocator@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@2@@std@@XZ
?forward@Net@dnn4_v20221220@dnn@cv@@QEAAXAEBV_OutputArray@4@AEBV?$vector@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$allocator@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@2@@std@@@Z
?setPreferableBackend@Net@dnn4_v20221220@dnn@cv@@QEAAXH@Z
?setPreferableTarget@Net@dnn4_v20221220@dnn@cv@@QEAAXH@Z
?setInput@Net@dnn4_v20221220@dnn@cv@@QEAAXAEBV_InputArray@4@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@NAEBV?$Scalar_@N@4@@Z
?getUnconnectedOutLayers@Net@dnn4_v20221220@dnn@cv@@QEBA?AV?$vector@HV?$allocator@H@std@@@std@@XZ
?destroyAllWindows@cv@@YAXXZ
?putText@cv@@YAXAEBV_InputOutputArray@1@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$Point_@H@1@HNV?$Scalar_@N@1@HH_N@Z
?noArray@cv@@YAAEBV_InputOutputArray@1@XZ
??0Mat@cv@@QEAA@AEBV01@AEBVRange@1@1@Z
??0Mat@cv@@QEAA@XZ
??1Mat@cv@@QEAA@XZ
?imshow@cv@@YAXAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV_InputArray@1@@Z

kernel32

GetCurrentProcess
VirtualProtect
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetModuleFileNameA
SetLastError
FormatMessageA
LocalFree
EnterCriticalSection
LeaveCriticalSection
SleepEx
GetSystemDirectoryA
VerifyVersionInfoA
GetTickCount
MoveFileExA
WaitForSingleObjectEx
GetEnvironmentVariableA
GetStdHandle
GetFileType
InitializeCriticalSectionEx
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
HeapFree
GlobalFree
GlobalAlloc
MultiByteToWideChar
CreateThread
GetModuleFileNameW
Sleep
ResetEvent
CreateEventW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
SetEvent
DeleteCriticalSection
GetProcessHeap
ReadFile
GlobalLock
HeapReAlloc
HeapAlloc
HeapDestroy
GetLastError
CloseHandle
CreateFileW
GetModuleHandleA
QueryPerformanceCounter
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
VerifyVersionInfoW
FreeLibrary
GetModuleHandleW
VerSetConditionMask
GetProcAddress
QueryPerformanceFrequency
LoadLibraryA
GlobalUnlock
WideCharToMultiByte
HeapSize

user32

AdjustWindowRectEx
GetKeyState
DestroyWindow
GetDC
SetWindowPos
MonitorFromWindow
EnumDisplayMonitors
CreateWindowExW
ScreenToClient
UnregisterClassW
SetWindowTextW
RegisterClassExW
WindowFromPoint
ShowWindow
DefWindowProcW
GetMonitorInfoW
ClientToScreen
IsChild
GetForegroundWindow
SetLayeredWindowAttributes
SetFocus
BringWindowToTop
LoadCursorW
SetCapture
SetCursor
SetWindowLongW
GetClientRect
GetWindowLongW
ReleaseCapture
SetForegroundWindow
UpdateWindow
IsIconic
SetCursorPos
ReleaseDC
PostQuitMessage
TranslateMessage
PeekMessageW
DispatchMessageW
MessageBoxA
GetCapture
GetCursorPos
mouse_event
GetSystemMetrics
GetCursorInfo
GetAsyncKeyState
GetDesktopWindow
GetWindowDC
MessageBoxW
GetWindowRect
SetClipboardData
GetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard

gdi32

DeleteDC
GetDIBits
CreateCompatibleDC
SelectObject
CreateCompatibleBitmap
BitBlt
GetDeviceCaps
DeleteObject

advapi32

OpenProcessToken
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextA
GetTokenInformation
AddAccessAllowedAce
ConvertSidToStringSidA
CopySid
SetSecurityInfo
IsValidSid
InitializeAcl
GetLengthSid

shell32

ShellExecuteA
ShellExecuteW

msvcp140

?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?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
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
_Query_perf_frequency
_Thrd_sleep
_Query_perf_counter
_Xtime_get_ticks
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Xbad_function_call@std@@YAXXZ
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Xout_of_range@std@@YAXPEBD@Z
?_Xlength_error@std@@YAXPEBD@Z
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z

imm32

ImmGetContext
ImmReleaseContext
ImmSetCompositionWindow

d3d9

Direct3DCreate9

normaliz

IdnToAscii

wldap32

ord217
ord46
ord211
ord60
ord45
ord50
ord41
ord22
ord26
ord27
ord32
ord33
ord35
ord79
ord301
ord200
ord30
ord143

crypt32

CertFreeCertificateChain
CertGetCertificateChain
CertOpenStore
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext
CryptStringToBinaryA
PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringA
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine

ws2_32

listen
ioctlsocket
__WSAFDIsSet
select
getaddrinfo
freeaddrinfo
recvfrom
sendto
gethostname
ntohl
accept
WSACleanup
WSAStartup
WSAIoctl
socket
setsockopt
ntohs
htons
getsockopt
getsockname
getpeername
connect
bind
WSAGetLastError
send
recv
closesocket
htonl
WSASetLastError

rpcrt4

UuidCreate
UuidToStringA
RpcStringFreeA

psapi

GetModuleInformation

userenv

UnloadUserProfile

vcruntime140_1

__CxxFrameHandler4

vcruntime140

strrchr
__C_specific_handler
memset
memmove
memcpy
__current_exception
memchr
_CxxThrowException
strchr
strstr
__std_terminate
__std_exception_copy
__std_exception_destroy
memcmp
__current_exception_context

api-ms-win-crt-runtime-l1-1-0

_get_narrow_winmain_command_line
_set_app_type
_initterm_e
_initterm
_seh_filter_exe
terminate
_cexit
_errno
abort
_invalid_parameter_noinfo_noreturn
_crt_atexit
exit
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
strerror
__sys_nerr
_invalid_parameter_noinfo
_c_exit
_resetstkoflw
_register_thread_local_exe_atexit_callback
_getpid
_beginthreadex
_exit

api-ms-win-crt-heap-l1-1-0

realloc
calloc
malloc
free
_set_new_mode
_callnewh

api-ms-win-crt-stdio-l1-1-0

setvbuf
fgetpos
_close
_open
feof
ungetc
_write
_lseeki64
fwrite
fputs
fflush
fopen
fsetpos
fgetc
fread
_fseeki64
_get_stream_buffer_pointers
_popen
_pclose
fgets
fputc
ftell
__acrt_iob_func
fseek
__stdio_common_vsscanf
__stdio_common_vsprintf
fclose
_wfopen
_set_fmode
_read
__p__commode

api-ms-win-crt-time-l1-1-0

_gmtime64
_time64
clock
_localtime64_s

api-ms-win-crt-filesystem-l1-1-0

_unlink
_fstat64
_lock_file
_unlock_file
_access
_stat64

api-ms-win-crt-string-l1-1-0

strspn
strcspn
strpbrk
tolower
_strdup
isupper
strncpy
strncmp
strcmp

api-ms-win-crt-utility-l1-1-0

qsort

api-ms-win-crt-convert-l1-1-0

strtod
strtoll
strtoull
atoi
strtoul
strtol
atof

api-ms-win-crt-locale-l1-1-0

localeconv
_configthreadlocale

api-ms-win-crt-math-l1-1-0

sinf
cosf
_dclass
sqrt
ceilf
atan2f
acosf
fmodf
__setusermatherr
sqrtf
ceil

Sections

.text
Size: 777KB - Virtual size: 776KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 290KB - Virtual size: 289KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 32KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9554b5581ef8f7f995e1600487fbdd7b

Headers

DLL Characteristics

File Characteristics

Imports

opencv_world470

kernel32

user32

gdi32

advapi32

shell32

msvcp140

imm32

d3d9

normaliz

wldap32

crypt32

ws2_32

rpcrt4

psapi

userenv

vcruntime140_1

vcruntime140

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-time-l1-1-0

api-ms-win-crt-filesystem-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-math-l1-1-0

Sections

.text Size: 777KB - Virtual size: 776KB

.rdata Size: 290KB - Virtual size: 289KB

.data Size: 2KB - Virtual size: 6KB

.pdata Size: 32KB - Virtual size: 32KB

.rsrc Size: 5KB - Virtual size: 4KB

.reloc Size: 1KB - Virtual size: 1KB

.text
Size: 777KB - Virtual size: 776KB

.rdata
Size: 290KB - Virtual size: 289KB

.data
Size: 2KB - Virtual size: 6KB

.pdata
Size: 32KB - Virtual size: 32KB

.rsrc
Size: 5KB - Virtual size: 4KB

.reloc
Size: 1KB - Virtual size: 1KB