down[.]dll[.]exe | Triage™

General

Target
down.dll.exe
Size 595KB
Sample240216-vxjsfseb46
SHA256 0d185ea3b0a49c2fa65bfd2757c9d0705657f0639fd36f196ac394fcd38c361d
MD5 adce4873aa5a54f4c3eaf02b9a9b2ca2
SHA1 30df07e83063822bfff5038cb2fdb250cd18e5cc
SHA512 e8c0fd9702f0afc643deb5e368931855d36c163c2380aa7e4ec6e36c4b06910b0cd4ad43fcd0563f61b7d51bcaf0af4f6c17399596a599a76ef5d1992735f8da
SSDEEP 12288:uTjTe9Yd3lrqQLo3iDBnXyH5+P0orR6AZURudpBL:uTvB3lPcKnXE5m0pupL
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
down.dll.exe

File Explorer

down.dll.exe

.dll 595KB

down.dll.exe

IMPHASH ff1950b83ebbc71a2475e6c8c8cb0707
SHA256 0d185ea3b0a49c2fa65bfd2757c9d0705657f0639fd36f196ac394fcd38c361d
MD5 adce4873aa5a54f4c3eaf02b9a9b2ca2
SHA1 30df07e83063822bfff5038cb2fdb250cd18e5cc
SHA512 e8c0fd9702f0afc643deb5e368931855d36c163c2380aa7e4ec6e36c4b06910b0cd4ad43fcd0563f61b7d51bcaf0af4f6c17399596a599a76ef5d1992735f8da
SSDEEP 12288:uTjTe9Yd3lrqQLo3iDBnXyH5+P0orR6AZURudpBL:uTvB3lPcKnXE5m0pupL
MD5 SHA1 SHA512 SSDEEP

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

6

Entry point

218800

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

C:\Jenkins\workspace\l_library_pe_multibranch_develop\x64\Release\MODEL.pdb

kernel32

WideCharToMultiByte ReadFile SetFilePointer CreateFileW MultiByteToWideChar GetLastError CloseHandle GetFileSize EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx DeleteCriticalSection EncodePointer DecodePointer LCMapStringEx GetStringTypeW GetCPInfo RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter GetCurrentProcess TerminateProcess IsProcessorFeaturePresent IsDebuggerPresent GetStartupInfoW GetModuleHandleW QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead RtlUnwindEx InterlockedFlushSList RtlPcToFileHeader RaiseException SetLastError InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary GetProcAddress LoadLibraryExW ExitProcess GetModuleHandleExW GetModuleFileNameW GetFileSizeEx SetFilePointerEx GetStdHandle GetFileType FlushFileBuffers WriteFile GetConsoleOutputCP GetConsoleMode HeapFree HeapAlloc FlsAlloc FlsGetValue FlsSetValue FlsFree LCMapStringW GetLocaleInfoW IsValidLocale GetUserDefaultLCID EnumSystemLocalesW ReadConsoleW HeapReAlloc FindClose FindFirstFileExW FindNextFileW IsValidCodePage GetACP GetOEMCP GetCommandLineA GetCommandLineW GetEnvironmentStringsW FreeEnvironmentStringsW GetProcessHeap SetStdHandle HeapSize WriteConsoleW SetEndOfFile RtlUnwind

Name

.text

Size

389KB

Virtual Size

389KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

108KB

Virtual Size

108KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

11KB

Virtual Size

20KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

21KB

Virtual Size

20KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

244B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

60KB

Virtual Size

59KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

down.dll.exe

kernel32

generic