lumma[.]exe | Triage

Resubmissions

02-09-2024 11:37

240902-nq5m1szfng 3

02-09-2024 10:59

240902-m3wp7sydmj 4

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General

Target

lumma.exe
Size

1.3MB
MD5

c3489f94e324ec8aad66570f4a9bba2a
SHA1

cf1a3d7eddc7ef7b747b50abb715c0c79bb6fee5
SHA256

2d1663447a261355976227ab3e13c081d4f0e01748c4d5e6b3923d14aa175428
SHA512

f7894f566bf4b0bb50b962fa7b69191831a40317e6633323b7147cfa04caad8878399fd189ad9f3c0bb630701054a450a755b5d072c929cfcb2dd3119ce3f2bd
SSDEEP

24576:dU0YQPIMANQudSJoNY2uvlvHLEPIC8Sdlff84sQ3kJyuDXTPi9yOmfC8:NzQu+gR2jy0uDXTPi9yOmfC8

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
lumma.exe

Files

lumma.exe
.exe windows:6 windows x86 arch:x86

c763bcf5be3ebc5d5fc1ef6a660e1300

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

__getmainargs
__initenv
__mb_cur_max
__p__commode
__p__fmode
__set_app_type
__setusermatherr
_aligned_free
_aligned_malloc
_amsg_exit
_assert
_cexit
_errno
_initterm
_iob
_lock
_onexit
_stricmp
_unlock
_wcslwr_s
abort
atoi
calloc
exit
fflush
fprintf
fputc
fputwc
free
fwprintf
fwrite
getenv
iswctype
isxdigit
localeconv
malloc
memchr
memcmp
memcpy
memmove
memset
rand
realloc
setlocale
signal
strchr
strcmp
strerror
strlen
strncmp
vfprintf
wcscpy_s
wcslen

shell32

CommandLineToArgvW

user32

EnumThreadWindows
PostQuitMessage
SetWindowPos

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
CloseHandle
CreateToolhelp32Snapshot
DeleteCriticalSection
EnterCriticalSection
ExitThread
FlsAlloc
FlsGetValue
FlsSetValue
FlushInstructionCache
GetConsoleWindow
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetModuleHandleW
GetProcAddress
GetSystemTimeAsFileTime
GetThreadContext
HeapAlloc
HeapCreate
HeapDestroy
HeapFree
HeapReAlloc
InitOnceExecuteOnce
InitializeCriticalSection
IsDBCSLeadByteEx
K32EnumProcessModules
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
LocalAlloc
MultiByteToWideChar
OpenThread
OutputDebugStringA
ReleaseSRWLockExclusive
ReleaseSRWLockShared
ResumeThread
SetThreadContext
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SuspendThread
Thread32First
Thread32Next
TlsGetValue
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WakeAllConditionVariable
WideCharToMultiByte

Sections

.text
Size: 553KB - Virtual size: 552KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 427KB - Virtual size: 426KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 472KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.00cfg
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.eh_fram
Size: 234KB - Virtual size: 233KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gcc_exc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 61KB - Virtual size: 61KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

c763bcf5be3ebc5d5fc1ef6a660e1300

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

shell32

user32

kernel32

Sections

.text Size: 553KB - Virtual size: 552KB

.rdata Size: 427KB - Virtual size: 426KB

.data Size: 4KB - Virtual size: 472KB

.00cfg Size: 512B - Virtual size: 4B

.eh_fram Size: 234KB - Virtual size: 233KB

.gcc_exc Size: 4KB - Virtual size: 3KB

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

.reloc Size: 61KB - Virtual size: 61KB

.text
Size: 553KB - Virtual size: 552KB

.rdata
Size: 427KB - Virtual size: 426KB

.data
Size: 4KB - Virtual size: 472KB

.00cfg
Size: 512B - Virtual size: 4B

.eh_fram
Size: 234KB - Virtual size: 233KB

.gcc_exc
Size: 4KB - Virtual size: 3KB

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

.reloc
Size: 61KB - Virtual size: 61KB