LunaGrabber | asss1[.]exe

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General

Target

asss1.exe
Size

14.3MB
MD5

db7a7403e5e248d0e96efe67cef73449
SHA1

11331c98855fdf42bd94a84687661c682336fea9
SHA256

847fb7609f53ed334d5affbb07256c21cb5e6f68b1cc14004f5502d714d2a456
SHA512

4fcf43cc7d337dbe17273e217acc6e98617fc153bf1e8295be6ba7b2afe3c7efca86d5e7eddc1fdf1212c74f1cd1803c5b6b0164e4322d89757cc6897b7313f0
SSDEEP

196608:h05ZqLIe01fXHitqWTpYCq2+2PFL+gY83fJu38IRAsgqsU8fyguPV:hQqL4i0y1K2IUYMIAsV

Score

10^/10

stealer luna LunaGrabber redtiger

Malware Config

Signatures

Detects RedTiger Stealer 7 IoCs

stealer

resource	yara_rule
sample	redtigerv122
sample	redtigerv22
sample	redtiger_stealer_detection
sample	redtiger_stealer_detection_v2
sample	staticSred
sample	staticred
sample	redtiger_stealer_detection_v1

LunaGrabber family
LunaGrabber

Matches Luna Grabber Rule For Entry 1 IoCs

Detects behavior indicative of Luna Grabber malware

stealer luna

resource	yara_rule
sample	LunaGrabber

Redtiger family
redtiger

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
asss1.exe

Files

asss1.exe
.exe windows:4 windows x86 arch:x86

b0e1e2276f867740f3867fb0e548b3c9

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

FillConsoleOutputAttribute
FillConsoleOutputCharacterA
SetConsoleCursorPosition
SetConsoleScreenBufferSize
AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
AllocConsole
AttachConsole
CancelIo
CloseHandle
CompareStringOrdinal
CopyFileExW
CreateConsoleScreenBuffer
CreateDirectoryW
CreateEventW
CreateFileMappingA
CreateFileW
CreateHardLinkW
CreateMutexA
CreateNamedPipeW
CreatePipe
CreateProcessW
CreateSymbolicLinkW
CreateThread
CreateToolhelp32Snapshot
DeleteCriticalSection
DeleteFileW
DeviceIoControl
DuplicateHandle
EnterCriticalSection
ExitProcess
FileTimeToSystemTime
FindClose
FindFirstFileW
FindFirstVolumeW
FindNextFileW
FindNextVolumeW
FindVolumeClose
FlushFileBuffers
FormatMessageW
FreeConsole
FreeEnvironmentStringsW
FreeLibrary
GetCommandLineW
GetComputerNameExW
GetComputerNameW
GetConsoleMode
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFinalPathNameByHandleW
GetFullPathNameW
GetLargestConsoleWindowSize
GetLastError
GetLogicalDrives
GetLogicalProcessorInformation
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetNumberOfConsoleInputEvents
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetProcessId
GetStartupInfoA
GetStdHandle
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetTimeZoneInformation
GetVolumePathNamesForVolumeNameW
GetWindowsDirectoryW
HeapAlloc
HeapFree
HeapReAlloc
InitializeCriticalSection
IsWow64Process
LeaveCriticalSection
LoadLibraryA
LocalFree
MapViewOfFile
Module32FirstW
Module32NextW
MoveFileExW
OpenProcess
Process32FirstW
Process32NextW
QueryPerformanceCounter
QueryPerformanceFrequency
ReadConsoleInputW
ReadConsoleW
ReadFile
ReadProcessMemory
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RemoveDirectoryW
SetConsoleActiveScreenBuffer
SetConsoleCursorInfo
SetConsoleMode
SetConsoleTextAttribute
SetConsoleWindowInfo
SetCurrentDirectoryW
SetEnvironmentVariableW
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetHandleInformation
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
SetVolumeMountPointW
Sleep
SleepConditionVariableSRW
SwitchToThread
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
TryEnterCriticalSection
TzSpecificLocalTimeToSystemTime
UnmapViewOfFile
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
Wow64DisableWow64FsRedirection
WriteConsoleW
WriteFile
lstrlenW
CreateSemaphoreW
ReleaseSemaphore
VirtualProtect
VirtualQuery

ntdll

NtOpenProcessToken
NtQueryInformationToken
RtlCaptureContext

advapi32

AddAccessAllowedAceEx
AddAce
AdjustTokenPrivileges
CloseServiceHandle
ControlService
ConvertSidToStringSidW
CopySid
CreateProcessAsUserW
CreateProcessWithLogonW
CreateProcessWithTokenW
DuplicateTokenEx
EnumDependentServicesW
EnumServicesStatusExW
GetAce
GetAclInformation
GetLengthSid
GetSecurityDescriptorDacl
GetTokenInformation
GetUserNameW
InitializeAcl
InitializeSecurityDescriptor
LogonUserW
LookupPrivilegeValueW
OpenProcessToken
OpenSCManagerW
OpenServiceW
QueryServiceStatusEx
RegCloseKey
RegEnumKeyExW
RegEnumValueW
RegOpenCurrentUser
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
RegSetValueExW
SetSecurityDescriptorDacl

ole32

CoGetObject
CoInitializeEx
CoUninitialize

ws2_32

WSACleanup
WSADuplicateSocketW
WSAGetLastError
WSARecv
WSASend
WSASocketW
WSAStartup
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
getpeername
getsockname
getsockopt
ioctlsocket
listen
recv
recvfrom
select
send
sendto
setsockopt
shutdown

userenv

GetUserProfileDirectoryW

bcrypt

BCryptGenRandom

user32

GetProcessWindowStation
GetUserObjectSecurity
OpenDesktopW
SetUserObjectSecurity
SystemParametersInfoW

rstrtmgr

RmEndSession
RmGetList
RmRegisterResources
RmStartSession

shell32

SHTestTokenMembership

netapi32

NetApiBufferFree
NetServerEnum
NetShareEnum

msvcrt

__getmainargs
__initenv
__lconv_init
__p__acmdln
__p__commode
__p__fmode
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_errno
_commode
_fmode
_fpreset
_initterm
_iob
_onexit
_wcsicmp
abort
calloc
ceil
exit
exp
floor
fmod
fprintf
free
frexp
fwrite
log
malloc
memcmp
memcpy
memmove
memset
pow
signal
strlen
strncmp
tan
vfprintf
wcscat
wcscat_s
wcscpy
wcscpy_s
wcslen

Sections

.text
Size: 10.5MB - Virtual size: 10.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 828KB - Virtual size: 828KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 689KB - Virtual size: 689KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.eh_fram
Size: 790KB - Virtual size: 790KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 1KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 8B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b0e1e2276f867740f3867fb0e548b3c9

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

ntdll

advapi32

ole32

ws2_32

userenv

bcrypt

user32

rstrtmgr

shell32

netapi32

msvcrt

Sections

.text Size: 10.5MB - Virtual size: 10.5MB

.data Size: 828KB - Virtual size: 828KB

.rdata Size: 689KB - Virtual size: 689KB

.eh_fram Size: 790KB - Virtual size: 790KB

.bss Size: - Virtual size: 1KB

.idata Size: 9KB - Virtual size: 8KB

.CRT Size: 512B - Virtual size: 88B

.tls Size: 512B - Virtual size: 8B

.reloc Size: 1.5MB - Virtual size: 1.5MB

.text
Size: 10.5MB - Virtual size: 10.5MB

.data
Size: 828KB - Virtual size: 828KB

.rdata
Size: 689KB - Virtual size: 689KB

.eh_fram
Size: 790KB - Virtual size: 790KB

.bss
Size: - Virtual size: 1KB

.idata
Size: 9KB - Virtual size: 8KB

.CRT
Size: 512B - Virtual size: 88B

.tls
Size: 512B - Virtual size: 8B

.reloc
Size: 1.5MB - Virtual size: 1.5MB