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
684KB
-
MD5
07e8895cba1c6f4db513571c17011201
-
SHA1
ce96f729e9e8c6b50600d74b5ad4823a82321614
-
SHA256
f4462e936189b310550ea4d817d9dad4cc2f18bbbe818308e4abf5440d4a3c7c
-
SHA512
041b9ad1db9944233105d00e471c191f1bc6ecf5e4041ac5e9b3a18a4c4fc8c0cc34d33d3f09b99de8f8b6adecff12f8cca4c0b0b46a90288023fd6f6a253435
-
SSDEEP
12288:LDLmQN9ExeurJBTWokiLcygVbMsIguhohRPpF4qFsnvg3b3:LDL7N9EEurbWo3LGjIguhqZpfFsvg3
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource lejojo.exe
Files
-
lejojo.exe.exe windows x64
871b31586a94cefafa3cfa2ebe35adb3
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
GetCurrentThread
CreateThread
GetTempPathW
GetCurrentProcessId
GetProcAddress
GetModuleHandleA
GetCurrentThreadId
CreateFileW
VirtualAlloc
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetModuleFileNameA
QueryFullProcessImageNameW
SetLastError
FormatMessageA
LocalFree
EnterCriticalSection
LeaveCriticalSection
SleepEx
DeviceIoControl
VirtualFree
GetModuleHandleW
GetProcessHeap
DeleteCriticalSection
HeapDestroy
HeapAlloc
QueryPerformanceFrequency
GetSystemDirectoryA
FreeLibrary
LoadLibraryA
VerifyVersionInfoA
QueryPerformanceCounter
GetTickCount
MoveFileExA
WaitForSingleObjectEx
MultiByteToWideChar
GetEnvironmentVariableA
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
WideCharToMultiByte
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetSystemTimeAsFileTime
CloseHandle
HeapReAlloc
Process32FirstW
Process32NextW
GetLastError
Sleep
CreateToolhelp32Snapshot
HeapSize
FindClose
InitializeCriticalSectionEx
GetStdHandle
FindNextFileW
SetConsoleTitleA
SetConsoleTextAttribute
HeapFree
VirtualProtect
InitializeSListHead
GetLocaleInfoEx
FindFirstFileExW
GetFileAttributesExW
GetCurrentProcess
SetFileInformationByHandle
AreFileApisANSI
GetFileInformationByHandleEx
OutputDebugStringW
FindFirstFileW
GetLogicalDrives
user32
MessageBoxA
ShowWindow
FindWindowA
FindWindowExA
advapi32
AddAccessAllowedAce
OpenProcessToken
CryptGenRandom
GetUserNameA
CryptReleaseContext
IsValidSid
SetSecurityInfo
CopySid
ConvertSidToStringSidA
CryptAcquireContextA
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptDestroyKey
CryptImportKey
CryptEncrypt
RegCloseKey
RegOpenKeyW
GetLengthSid
GetTokenInformation
InitializeAcl
RegSetKeyValueW
RegDeleteTreeW
RegCreateKeyW
msvcp140
?widen@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBA_WD@Z
?put@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@_W@Z
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?sputc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAG_W@Z
?setf@ios_base@std@@QEAAHHH@Z
?pbase@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD0@Z
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@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?$char_traits@D@std@@@std@@UEAAXXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?setstate@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEAAXH_N@Z
?sputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAA_JPEB_W_J@Z
?_Osfx@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAXXZ
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?wcout@std@@3V?$basic_ostream@_WU?$char_traits@_W@std@@@1@A
_Query_perf_frequency
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Throw_Cpp_error@std@@YAXH@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??Bid@locale@std@@QEAA_KXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??7ios_base@std@@QEBA_NXZ
?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
?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
?epptr@?$basic_streambuf@DU?$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
?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
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?uncaught_exception@std@@YA_NXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?snextc@?$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
_Xtime_get_ticks
_Query_perf_counter
_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
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Xout_of_range@std@@YAXPEBD@Z
ntdll
VerSetConditionMask
RtlCaptureContext
RtlInitUnicodeString
RtlLookupFunctionEntry
RtlVirtualUnwind
NtQuerySystemInformation
rpcrt4
UuidToStringA
RpcStringFreeA
UuidCreate
normaliz
IdnToAscii
wldap32
ord79
ord30
ord200
ord301
ord35
ord27
ord33
ord217
ord46
ord211
ord60
ord45
ord50
ord41
ord143
ord22
ord26
ord32
crypt32
CertOpenStore
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext
CryptStringToBinaryA
PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFreeCertificateChain
CertGetCertificateChain
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
ws2_32
WSAIoctl
WSACleanup
socket
htonl
listen
ioctlsocket
__WSAFDIsSet
select
getaddrinfo
freeaddrinfo
recvfrom
sendto
gethostname
ntohl
setsockopt
ntohs
htons
getsockopt
getsockname
getpeername
connect
bind
WSAGetLastError
send
recv
WSASetLastError
accept
closesocket
WSAStartup
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
memset
__C_specific_handler
__current_exception_context
__current_exception
strstr
memcpy
memcmp
memchr
_CxxThrowException
__std_terminate
__std_exception_copy
__std_exception_destroy
memmove
strrchr
strchr
api-ms-win-crt-runtime-l1-1-0
_initialize_narrow_environment
terminate
_initialize_onexit_table
_register_onexit_function
_invalid_parameter_noinfo_noreturn
system
_beginthreadex
_configure_narrow_argv
_crt_atexit
__sys_nerr
_getpid
_c_exit
_cexit
_seh_filter_exe
_set_app_type
exit
__p___argv
_get_initial_narrow_environment
_register_thread_local_exe_atexit_callback
_errno
_initterm
__p___argc
strerror
_initterm_e
_resetstkoflw
_exit
_invalid_parameter_noinfo
api-ms-win-crt-stdio-l1-1-0
_write
fputc
__acrt_iob_func
fopen
__stdio_common_vsscanf
fflush
__stdio_common_vsprintf
fseek
ftell
fclose
__p__commode
_lseeki64
_pclose
fgetc
_close
_get_stream_buffer_pointers
_open
fgets
_fseeki64
fread
fsetpos
_set_fmode
feof
ungetc
_popen
fwrite
setvbuf
fputs
fgetpos
_read
api-ms-win-crt-heap-l1-1-0
_set_new_mode
malloc
free
realloc
calloc
_callnewh
api-ms-win-crt-utility-l1-1-0
srand
rand
qsort
api-ms-win-crt-string-l1-1-0
strcmp
tolower
isupper
strncpy
strspn
_stricmp
_strdup
strncmp
strpbrk
strcspn
api-ms-win-crt-filesystem-l1-1-0
_lock_file
_unlock_file
_unlink
_access
_fstat64
_stat64
_wremove
api-ms-win-crt-time-l1-1-0
_time64
_gmtime64
api-ms-win-crt-convert-l1-1-0
strtoul
strtoll
strtol
strtod
wcstombs_s
atoi
strtoull
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: 496KB - Virtual size: 496KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 150KB - Virtual size: 149KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 14KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 20KB - Virtual size: 20KB
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