Static task
static1
Behavioral task
behavioral1
Sample
lejojo.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
lejojo.exe
Resource
win10v2004-20230915-en
General
-
Target
lejojo.exe
-
Size
636KB
-
MD5
db6670c42aef4874f7b36bf63231200d
-
SHA1
01be29f7878268b55a561223b55fde6d5ad20b73
-
SHA256
89d6fb251ed8f0697f205cc6ecd250f6f273556a8d2785edd0426a0c5bad3754
-
SHA512
71ba4167cb0139549d1a060964f6e14ffa782e39c53fb0d05f30d24480574d2933dc71f03010e306c30d82d4fb57a82fafaf8a446f1aa34dea97877bdb06c2b8
-
SSDEEP
12288:N+vhJPdtpZGpSz6K9+k6JrYFMHujDvwAjVfwOA:N+vhLZmSWe6JrYWHmDZoOA
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource lejojo.exe
Files
-
lejojo.exe.exe windows:6 windows x64
e7cf1e3f22d846afaa60cfd0069ab3f2
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
UnmapViewOfFile
GetModuleFileNameA
GetModuleHandleA
GetProcAddress
QueryFullProcessImageNameW
SetLastError
FormatMessageA
LocalFree
EnterCriticalSection
LeaveCriticalSection
SleepEx
VerSetConditionMask
QueryPerformanceFrequency
GetSystemDirectoryA
FreeLibrary
LoadLibraryA
VerifyVersionInfoA
QueryPerformanceCounter
GetTickCount
MoveFileExA
WaitForSingleObjectEx
SetConsoleTextAttribute
GetEnvironmentVariableA
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
MapViewOfFile
CreateFileMappingW
GetCurrentThread
CreateThread
GetCurrentProcess
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
CreateFileA
GetFileSizeEx
WideCharToMultiByte
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
GetLocaleInfoEx
FindFirstFileExW
GetFileAttributesExW
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
FindNextFileW
GetStdHandle
FindClose
CreateToolhelp32Snapshot
Sleep
Process32NextW
Process32FirstW
CloseHandle
GetModuleHandleW
GetLastError
CreateFileW
SetFileInformationByHandle
AreFileApisANSI
GetFileInformationByHandleEx
OutputDebugStringW
VirtualProtect
FindFirstFileW
MultiByteToWideChar
user32
FindWindowExA
ShowWindow
FindWindowA
MessageBoxA
advapi32
GetTokenInformation
AddAccessAllowedAce
OpenProcessToken
GetLengthSid
InitializeAcl
IsValidSid
SetSecurityInfo
RegCloseKey
CryptGenRandom
GetUserNameA
RegSetValueExW
RegOpenKeyExW
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGetHashParam
CryptAcquireContextA
ConvertSidToStringSidA
CopySid
CryptReleaseContext
RegDeleteValueW
msvcp140
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
_Query_perf_frequency
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Throw_Cpp_error@std@@YAXH@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?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
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?_Xbad_function_call@std@@YAXXZ
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@Z
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD0@Z
?setf@ios_base@std@@QEAAHHH@Z
??Bid@locale@std@@QEAA_KXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?good@ios_base@std@@QEBA_NXZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@PEBX@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?pbase@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?flush@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@XZ
?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@@IEAAXXZ
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?uncaught_exception@std@@YA_NXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?put@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@_W@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?widen@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBA_WD@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
_Thrd_join
_Xtime_get_ticks
_Thrd_detach
_Query_perf_counter
_Thrd_id
_Thrd_sleep
_Cnd_do_broadcast_at_thread_exit
?_Syserror_map@std@@YAPEBDH@Z
?_Xlength_error@std@@YAXPEBD@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Winerror_map@std@@YAHH@Z
?wcerr@std@@3V?$basic_ostream@_WU?$char_traits@_W@std@@@1@A
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Xout_of_range@std@@YAXPEBD@Z
?wcout@std@@3V?$basic_ostream@_WU?$char_traits@_W@std@@@1@A
rpcrt4
UuidToStringA
RpcStringFreeA
UuidCreate
normaliz
IdnToAscii
wldap32
ord32
ord33
ord35
ord27
ord30
ord200
ord301
ord26
ord79
ord60
ord41
ord50
ord45
ord22
ord211
ord46
ord143
ord217
crypt32
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext
CryptStringToBinaryA
PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFindExtension
CertOpenStore
CertGetNameStringA
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
ws2_32
freeaddrinfo
recvfrom
sendto
gethostname
ntohl
__WSAFDIsSet
ioctlsocket
listen
htonl
accept
WSACleanup
WSAStartup
WSAIoctl
WSASetLastError
socket
setsockopt
ntohs
htons
getsockopt
getsockname
getpeername
connect
bind
WSAGetLastError
send
getaddrinfo
recv
closesocket
select
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
memmove
__current_exception
__current_exception_context
__C_specific_handler
memcpy
memset
__std_exception_copy
strrchr
memchr
_CxxThrowException
__std_terminate
__std_exception_destroy
memcmp
strchr
strstr
api-ms-win-crt-runtime-l1-1-0
exit
_invalid_parameter_noinfo
_beginthreadex
_getpid
_resetstkoflw
_errno
_register_thread_local_exe_atexit_callback
__p___argc
_invalid_parameter_noinfo_noreturn
__sys_nerr
_exit
_initterm_e
__p___argv
_initterm
_get_initial_narrow_environment
_c_exit
system
_set_app_type
_seh_filter_exe
_cexit
_crt_atexit
strerror
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
terminate
api-ms-win-crt-stdio-l1-1-0
fgetpos
ftell
fputs
setvbuf
_popen
ungetc
feof
fsetpos
fread
_fseeki64
_get_stream_buffer_pointers
_lseeki64
__acrt_iob_func
fflush
fclose
_pclose
fgetc
fgets
__stdio_common_vsprintf
fopen_s
_open
fseek
_close
__stdio_common_vsscanf
fopen
_write
_read
__p__commode
_set_fmode
fputc
fwrite
api-ms-win-crt-heap-l1-1-0
malloc
_set_new_mode
free
_callnewh
realloc
calloc
api-ms-win-crt-utility-l1-1-0
rand
qsort
api-ms-win-crt-string-l1-1-0
strncmp
toupper
strpbrk
strcmp
strcspn
isalpha
tolower
_strdup
isupper
islower
strncpy
strspn
api-ms-win-crt-filesystem-l1-1-0
_access
_lock_file
_unlock_file
_unlink
remove
_stat64
_fstat64
api-ms-win-crt-time-l1-1-0
_time64
_gmtime64
api-ms-win-crt-convert-l1-1-0
strtod
strtoul
strtoull
strtol
wcstombs_s
strtoll
atoi
api-ms-win-crt-environment-l1-1-0
_dupenv_s
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
___lc_codepage_func
localeconv
api-ms-win-crt-math-l1-1-0
_dclass
__setusermatherr
shell32
ShellExecuteA
Sections
.text Size: 495KB - Virtual size: 494KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 116KB - Virtual size: 115KB
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: 19KB - Virtual size: 19KB
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