Loader[.]NLxZf[.]exe

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General

Target

Loader.NLxZf.exe
Size

1.1MB
MD5

9ac638e44be894a8eca078dc1ca4a6e7
SHA1

543eb667e82564a337e9466e560852043672fed6
SHA256

db4ba05af04fe4896bab38099b9a720778ce61bc4602aba4e2de85c2563001cc
SHA512

714222984248d0f01f919225912d1c87f40da97f36930261199ccc0f343caf8bb95452b77fc43581c207b6b356a094260eb10fd42aa7fdf76c7222b46fd14216
SSDEEP

24576:24yb5L0Gt6WTqRQau/d9cwcIy0zNboRS9erxEkCqutM3gYXlviZjLzi5:2jd0aB2WauDy04f3PEN0

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Loader.NLxZf.exe

Files

Loader.NLxZf.exe
.exe windows:6 windows x64 arch:x64

2964951c0b2712cf3272d1962877d9b6

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

ReadFile
PeekNamedPipe
WaitForMultipleObjects
SetLastError
FormatMessageA
CreateFileA
GetFileSizeEx
WideCharToMultiByte
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetEnvironmentVariableA
MultiByteToWideChar
WaitForSingleObjectEx
MoveFileExA
GetTickCount
QueryPerformanceCounter
VerifyVersionInfoA
LoadLibraryA
GetProcAddress
GetModuleHandleA
FreeLibrary
GetSystemDirectoryA
QueryPerformanceFrequency
GetFileType
LeaveCriticalSection
EnterCriticalSection
GetProcessHeap
DeleteCriticalSection
LocalFree
HeapDestroy
HeapAlloc
HeapReAlloc
GetCurrentThreadId
GetCurrentProcessId
GetModuleHandleW
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
VerSetConditionMask
HeapSize
InitializeCriticalSectionEx
GetCurrentProcess
HeapFree
SleepEx
CreateProcessW
SetFileAttributesA
CloseHandle
GetFileAttributesA
GetLastError
GetTempPathA
Sleep
GetModuleFileNameW
GetFileAttributesW
GetTempPathW
GetStdHandle

user32

MessageBoxA

advapi32

OpenSCManagerW
StartServiceW
CloseServiceHandle
QueryServiceStatus
CreateServiceW
GetTokenInformation
GetLengthSid
OpenProcessToken
IsValidSid
CopySid
ConvertSidToStringSidA
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptGenRandom
CryptCreateHash
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
OpenServiceW

msvcp140

?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Lock@?$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_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@K@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAHXZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?fail@ios_base@std@@QEBA_NXZ
?good@ios_base@std@@QEBA_NXZ
??7ios_base@std@@QEBA_NXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?_Xbad_function_call@std@@YAXXZ
?_Getcat@?$time_get@DV?$istreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?get@?$time_get@DV?$istreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@QEBA?AV?$istreambuf_iterator@DU?$char_traits@D@std@@@2@V32@0AEAVios_base@2@AEAHPEAUtm@@PEBD4@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?widen@?$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
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?uncaught_exceptions@std@@YAHXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Xout_of_range@std@@YAXPEBD@Z
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?id@?$time_get@DV?$istreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@2V0locale@2@A
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
_Xtime_get_ticks

userenv

UnloadUserProfile

normaliz

IdnToAscii

wldap32

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

crypt32

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

ws2_32

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

vcruntime140_1

__CxxFrameHandler4

vcruntime140

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

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

exit
strerror
_invalid_parameter_noinfo_noreturn
_resetstkoflw
_invalid_parameter_noinfo
_errno
terminate
system
_beginthreadex
_getpid
_register_thread_local_exe_atexit_callback
_c_exit
__p___argv
__p___argc
__sys_nerr
_exit
_initterm_e
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_cexit
_seh_filter_exe
_set_app_type
_initterm
_get_initial_narrow_environment

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

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

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

free
malloc
realloc
calloc
_set_new_mode
_callnewh

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

qsort
srand
rand

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

_fstat64
_unlock_file
_lock_file
remove
_access
_unlink
_stat64

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

_time64
_gmtime64
_mktime64

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

strtoull
atoi
strtol
strtod
strtoul
strtoll

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

_configthreadlocale
localeconv

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

strpbrk
strcmp
tolower
strncpy
_strdup
strncmp
isupper
strspn
strcspn

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

__setusermatherr
_dclass

Sections

.text
Size: 418KB - Virtual size: 418KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 101KB - Virtual size: 100KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 26KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 488B

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

.420A
Size: 588KB - Virtual size: 588KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2964951c0b2712cf3272d1962877d9b6

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

msvcp140

userenv

normaliz

wldap32

crypt32

ws2_32

vcruntime140_1

vcruntime140

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

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

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

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

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

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

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

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

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

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

Sections

.text Size: 418KB - Virtual size: 418KB

.rdata Size: 101KB - Virtual size: 100KB

.data Size: 26KB - Virtual size: 28KB

.pdata Size: 17KB - Virtual size: 17KB

.rsrc Size: 512B - Virtual size: 488B

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

.420A Size: 588KB - Virtual size: 588KB

.text
Size: 418KB - Virtual size: 418KB

.rdata
Size: 101KB - Virtual size: 100KB

.data
Size: 26KB - Virtual size: 28KB

.pdata
Size: 17KB - Virtual size: 17KB

.rsrc
Size: 512B - Virtual size: 488B

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

.420A
Size: 588KB - Virtual size: 588KB