lumma[.]exe | Triage

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General

Target

lumma.exe
Size

5.6MB
MD5

5bffec5b786b54b8fe06990047bc093d
SHA1

d00b98ed1046b04e04b90fc79f3dc97d9b92acf2
SHA256

25b251a6b74d9d65060cbcf1fcb404252f0146f884039346960c28c369062a2e
SHA512

cee97c2cdce26b505b56e556d8c608e77a2968ba0b843783f84bfc61ee37985b9d4232db4e429a13f7bd3ee1e5057ec80cd95d19323fd3bae5e7db37be049d8a
SSDEEP

98304:5Pe9jGF9Chib7+AIzsy+uEAN7mbE+EDEBD8WIq0rgyq5oxEywlmjsGLT2HZTpUAT:Al4+AWwcFmA+E4Jfyqf/mA4T2HBT

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
lumma.exe

Files

lumma.exe
.exe windows:4 windows x86 arch:x86

b5e6ad68de3c352216d9fc7b680462f6

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

oleaut32

SysAllocStringLen
SysStringLen
VariantClear

user32

DialogBoxParamW
SetWindowLongW
GetWindowLongW
GetDlgItem
SetTimer
LoadStringW
CharUpperW
DestroyWindow
EndDialog
PostMessageW
SetWindowTextW
ShowWindow
MessageBoxW
LoadIconW
KillTimer
SendMessageW

shell32

ShellExecuteExW

msvcrt

_controlfp
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
_acmdln
exit
_XcptFilter
_exit
?terminate@@YAXXZ
??1type_info@@UAE@XZ
_except_handler3
_beginthreadex
memset
wcsstr
free
malloc
memcpy
_CxxThrowException
_purecall
memmove
memcmp
wcscmp
__CxxFrameHandler

kernel32

CloseHandle
GetStartupInfoA
InitializeCriticalSection
ReleaseSemaphore
CreateSemaphoreW
ResetEvent
SetEvent
CreateEventW
GetModuleHandleW
GetVersion
VirtualFree
VirtualAlloc
Sleep
GlobalMemoryStatus
GetSystemInfo
GetCurrentProcess
GetProcessAffinityMask
SetEndOfFile
WriteFile
ReadFile
SetFilePointer
GetFileSize
GetFileAttributesW
GetModuleHandleA
GetProcAddress
FindNextFileW
FindFirstFileW
FindClose
GetStdHandle
GetFileInformationByHandle
GetCurrentThreadId
GetTickCount
GetCurrentProcessId
GetTempPathW
GetCurrentDirectoryW
SetCurrentDirectoryW
SetLastError
DeleteFileW
CreateDirectoryW
RemoveDirectoryW
SetFileAttributesW
CreateFileW
SetFileTime
GetSystemDirectoryW
FormatMessageW
LocalFree
GetModuleFileNameW
LoadLibraryExW
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
GetLastError
GetVersionExW
GetCommandLineW
WaitForSingleObject
CreateProcessW

Sections

.text
Size: 105KB - Virtual size: 104KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.sxdata
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b5e6ad68de3c352216d9fc7b680462f6

Headers

DLL Characteristics

File Characteristics

Imports

oleaut32

user32

shell32

msvcrt

kernel32

Sections

.text Size: 105KB - Virtual size: 104KB

.rdata Size: 15KB - Virtual size: 14KB

.data Size: 512B - Virtual size: 13KB

.sxdata Size: 512B - Virtual size: 4B

.rsrc Size: 3KB - Virtual size: 2KB

.text
Size: 105KB - Virtual size: 104KB

.rdata
Size: 15KB - Virtual size: 14KB

.data
Size: 512B - Virtual size: 13KB

.sxdata
Size: 512B - Virtual size: 4B

.rsrc
Size: 3KB - Virtual size: 2KB